17 Highlights 39 Differences 6 Reactions 0 Likes

Vantrue N4 Pro vs Viofo A139 PRO: 17 Highlights & 39 Differences — So, Which Dash Cam Actually Works Better

Both are great on paper, but real footage clarity might surprise you. Discover which cam leads in capturing your journey. We lined up Vantrue N4 Pro and Viofo A139 PRO across wi-fi frequency band, cloud connectivity, video download via app & firmware update method and more to help drivers like you choose the right dash cam with ease.

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Vantrue N4 Pro Nexus 4 Pro
Vantrue N4 Pro
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Highlights 151

No extras. Just what matters.
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Why is Vantrue N4 Pro better than Viofo A139 PRO ?

Scroll down for more facts

Vantrue N4 Pro vs Viofo A139 PRO: A Detailed Dash Cam Face-Off

When it comes to securing your vehicle with reliable dash cams, both the Vantrue N4 Pro and Viofo A139 PRO stand out with impressive features tailored for safety-conscious drivers. Both models boast modular designs for flexible installation, use Sony STARVIS CMOS sensors for excellent low-light video capture, and feature Wide Dynamic Range (WDR) and emergency recording capabilities. They also share consistent power input requirements (5V) with supercapacitors to ensure durability against temperature extremes, making them dependable in hot and cold climates. Both dash cams use the MP4 format for video files and include manual file lock protection to preserve crucial footage. However, their differences span across video frame rates, display sizes, connectivity options, and usability features, which influence their appeal depending on user priorities.

Vantrue N4 Pro: Versatility Meets Advanced Usability

The Vantrue N4 Pro truly shines with its comprehensive removable unit and three-channel setup, including an interior camera that captures cabin activity - a key advantage for rideshare drivers or those seeking added security inside their vehicle. Its front lens provides a wide 155° field of view, which is broader than the Viofo's, allowing the capture of more surrounding details, albeit with potential for slight distortion. The dash cam includes a generous 3.19-inch display that facilitates easier navigation through system menus without relying solely on smartphone apps. Voice control adds a hands-free dimension that enhances driver safety and convenience.

Connectivity is another strong suit of the Vantrue N4 Pro, featuring dual-band 2.4GHz and 5GHz Wi-Fi, allowing for better and more stable wireless connections when downloading footage or updating firmware. Speaking of updates, firmware upgrades are delivered via both app and SD card but happen only occasionally, which might suit users preferring fewer interruptions. It also has a slightly better operating temperature tolerance (-4°F to 158°F), enhancing reliability in extreme heat.

Viofo A139 PRO: Precision, Compactness, and Value

Viofo's A139 PRO is engineered for drivers who favor sharp front footage and discretion in design. It records at an impressive 60 frames per second on the front camera, doubling the Vantrue's frame rate, which translates into ultra-smooth video playback especially helpful for capturing fast-moving incidents. Moreover, it offers flexible event video recording options - 1, 3, or 5-minute clips - providing users the ability to tailor the length of emergency footage captured. Its rear camera leverages the advanced Sony STARVIS IMX335 sensor, promising superior rear video quality compared to the more general Sony sensor in the Vantrue.

The A139 PRO sports a more compact profile with a main unit depth of 1.5 inches and a slimmer rear camera, making it less conspicuous inside the vehicle. This is beneficial for drivers seeking discreet setups. The dash cam supports firmware updates regularly through multiple channels including app, OTA, and SD card, ensuring the device benefits from frequent feature improvements and bug fixes. Although it lacks voice control and an interior camera, it compensates with multilingual support, including Chinese, widening its appeal to a more diverse user base.

Viofo connects via a robust 5GHz Wi-Fi band only, which avoids interference but might be less flexible compared to dual-band options. Its operating temperature range up to 149°F remains quite adequate for most environments.

Quick Take

The Vantrue N4 Pro excels as a versatile, full-featured three-channel dash cam with a sizeable display and hands-free voice control, offering extra security via its interior camera and flexible connectivity. Meanwhile, the Viofo A139 PRO stands out for delivering smooth, high-frame-rate front footage, configurable event video length, and a sleek, compact design - all at a more wallet-friendly price.

Bottom Line: Which One Should You Pick?

If you value comprehensive coverage including cabin monitoring, prefer larger displays, and want the convenience of voice commands and dual-band Wi-Fi, the Vantrue N4 Pro is the better investment despite its higher cost. However, if your focus is on crisp front video quality at a high frame rate, longer incident recordings, and a compact, discreet form factor with regular software support; all while being budget conscious; the Viofo A139 PRO is an excellent choice.

Verdict

  • Winner: Vantrue N4 Pro - Offers an all-rounded 3-channel experience, with interior monitoring, voice control, and dual-band Wi-Fi connectivity that enhance usability and security.
  • Runner-up: Viofo A139 PRO - Provides superior front video quality with 60 FPS, longer event recordings, and a compact build at a more affordable price, ideal for users focused primarily on front and rear footage.

Comparisons 27

Two enter. One leaves your cart.

Price comparisons

(✱) Prices may be changed at any time without further notice.

Related comparisons 27

Because one duel is never enough.

Comparisons & Facts 151

Side by side. The numbers. The features. No drama.

Not just a list of specs — this dash cams comparison gives you insight into how Vantrue N4 Pro and Viofo A139 PRO perform in real-world use.

General Information 18

Modular Design

Does it have a modular design?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Modular Design

Vantrue N4 Pro and Viofo A139 PRO both feature Modular Design, making them flexible for different installations. This shared modularity supports easy upgrades, making either an excellent choice if modular components are important to you.

Specifies whether components can be added or replaced separately.

Installation Location

Where is the dash cam installed?

0 Vantrue N4 Pro 0 Votes Front Windshield, Rear Windshield

0 Viofo A139 PRO 0 Votes Front Windshield, Rear Windshield

Vantrue N4 Pro
vs
Viofo A139 PRO
Installation Location

Installation Location options for both Vantrue N4 Pro and Viofo A139 PRO include Front Windshield and Rear Windshield, offering versatile mounting choices regardless of your vehicle setup.

Indicates the physical installation position inside the vehicle.

Removable Unit

Is the dash cam removable?

Yes 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Removable Unit

Vantrue N4 Pro offers a Removable Unit while Viofo A139 PRO does not. This makes Vantrue N4 Pro more convenient for users who want to easily remove the camera for security or portability.

Indicates whether the main unit can be easily removed.

Device Type

What type of device is this?

0 Vantrue N4 Pro 0 Votes Dash Cam

0 Viofo A139 PRO 0 Votes Dash Cam

Viofo A139 PRO
Viofo A139 PRO

This product is categorized as a dash cam designed to record driving activity for safety and accountability purposes.

Defines the product category and primary function.

Camera Configuration

What camera configuration does it use?

0 Vantrue N4 Pro 0 Votes Front + Rear + Interior

0 Viofo A139 PRO 0 Votes Front + Rear + Interior

Vantrue N4 Pro
Vantrue N4 Pro

Camera configuration includes front, rear, and interior lenses, supporting multi-angle surveillance for full vehicle coverage.

Indicates how many cameras and viewing angles are supported.

Mounting Type

How is the dash cam mounted?

0 Vantrue N4 Pro 0 Votes Windshield

0 Viofo A139 PRO 0 Votes Windshield, Rear Window

Viofo A139 PRO
Viofo A139 PRO

Mounting types include windshield and rear window installation, offering flexibility to cover different viewing angles as needed.

Describes where and how the dash cam is mounted in the vehicle.

Intended Vehicle Type

What vehicles is it intended for?

0 Vantrue N4 Pro 0 Votes Car, SUV, Truck, Van, Rideshare Vehicle

0 Viofo A139 PRO 0 Votes Car, SUV, Truck, Van, Rideshare Vehicle

Vantrue N4 Pro
Vantrue N4 Pro

This dash cam is designed for versatile use across many vehicle types including cars, SUVs, trucks, vans, and rideshare vehicles. This broad compatibility ensures it fits well in a wide range of vehicles.

Specifies the types of vehicles the dash cam is designed for.

Usage Mode

What is the intended usage mode?

0 Vantrue N4 Pro 0 Votes Personal, Rideshare, Commercial

0 Viofo A139 PRO 0 Votes Personal, Commercial, Rideshare, Fleet

Viofo A139 PRO
Viofo A139 PRO

The dash cam is suitable for various usage modes including personal, commercial, rideshare, and fleet applications, highlighting its adaptability to different driving needs.

Defines the primary usage scenario for the device.

Recording Purpose

What is the recording purpose?

0 Vantrue N4 Pro 0 Votes Accident Evidence, Security Monitoring, Driving Records

0 Viofo A139 PRO 0 Votes Accident Evidence, Security Monitoring, Driving Records

Viofo A139 PRO
Viofo A139 PRO

The device is designed for multiple recording purposes including accident evidence, security monitoring, and driving records, making it versatile for personal and professional use.

Explains the main reason for recording video footage.

Power Source Type

What is the power source?

0 Vantrue N4 Pro 0 Votes Supercapacitor

0 Viofo A139 PRO 0 Votes Vehicle Power, Supercapacitor

Viofo A139 PRO
Viofo A139 PRO

The power source type includes vehicle power and a supercapacitor; the supercapacitor is more tolerant to extreme temperatures than conventional batteries.

Identifies how the dash cam is powered.

Operating Temperature Range

What temperature range does it support?

0 Vantrue N4 Pro 0 Votes -4°F to 158°F

0 Viofo A139 PRO 0 Votes -4°F to 149°F

Vantrue N4 Pro
vs
Viofo A139 PRO
Operating Temperature Range

Vantrue N4 Pro operates between -4°F to 158°F, slightly wider than Viofo A139 PRO's -4°F to 149°F range. This makes the Vantrue N4 Pro a better option for extreme temperature conditions.

Defines the temperature range where the dash cam operates reliably.

Video & Recording Performance 24

Event Video Length

How long are event recordings?

0 Vantrue N4 Pro 0 Votes 30 Seconds

0 Viofo A139 PRO 1 Votes 1/3/5 Minutes

Vantrue N4 Pro
vs
Viofo A139 PRO
Event Video Length

Vantrue N4 Pro has an Event Video Length set at 30 seconds, whereas Viofo A139 PRO offers options for 1, 3, or 5 minutes. Longer event recording is better supported by Viofo A139 PRO.

Defines the duration of automatically saved event recordings.

Being able to set event video recording lengths to 1, 3 or 5 minutes on the Viofo A139 PRO offers way more control than the fixed 30 seconds on Vantrue.

See more

Video Codec

What video codec is used?

0 Vantrue N4 Pro 0 Votes H.264

0 Viofo A139 PRO 0 Votes H.264

Vantrue N4 Pro
vs
Viofo A139 PRO
Video Codec

Both dashcams use the H.264 Video Codec, providing efficient compression and wide compatibility for video files. This means comparable video handling in Vantrue N4 Pro and Viofo A139 PRO.

Defines the compression format used for video files.

WDR

Does it support WDR?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
WDR

WDR (Wide Dynamic Range) support is included in both Vantrue N4 Pro and Viofo A139 PRO, improving video clarity in backlit or high-contrast scenarios equally well.

Enhances visibility in mixed lighting conditions.

Low-Light Enhancement

Is low-light enhanced?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

Low-light enhancement technology improves video capture quality in dark or nighttime conditions.

Viofo A139 PRO
Viofo A139 PRO

Low-light enhancement improves recording quality in dim environments, enhancing visibility at night or in tunnels.

Improves video clarity in dark environments.

Dual Recording

Does it support dual recording?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

Dual recording means the device can simultaneously capture video from front and rear (and interior) cameras, providing comprehensive coverage.

Viofo A139 PRO
Viofo A139 PRO

Dual recording is supported, enabling simultaneous front and rear (or interior) camera recordings for full coverage.

Allows simultaneous front and rear recording.

Front Frame Rate

What is the front camera frame rate?

30 Hz 0 Votes
60 Hz 1 Votes

Vantrue N4 Pro
vs
Viofo A139 PRO
Front Frame Rate

Vantrue N4 Pro records Front Frame Rate at 30Hz, while Viofo A139 PRO doubles this to 60Hz, offering smoother video footage. For higher frame rate needs, Viofo A139 PRO is more suitable.

Measures how smoothly the front camera records motion.

The Viofo A139 PRO front frame rate is game changing with 60fps for super smooth video so I gotta go with that one.

See more

Front Camera Resolution

What is the front camera resolution?

0 Vantrue N4 Pro 0 Votes 4K

0 Viofo A139 PRO 0 Votes 4K

Viofo A139 PRO
Viofo A139 PRO

The front camera supports 4K video resolution, delivering ultra-high-definition footage for exceptional detail.

Specifies the video resolution of the front-facing camera.

Video Bitrate

What is the video bitrate?

0 Vantrue N4 Pro 0 Votes Up to 100 Mbps

0 Viofo A139 PRO 0 Votes 60 Mbps

Viofo A139 PRO
Viofo A139 PRO

The video bitrate is 60 Mbps, a high bitrate that supports detailed and high-quality video capture.

Describes the data rate used for video encoding quality.

Loop Recording

Does it support loop recording?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

Loop recording allows continuous video capture by overwriting the oldest footage, ensuring the recording is uninterrupted even when storage is full.

Automatically overwrites old footage when storage is full.

Emergency Recording

Is emergency recording supported?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Emergency Recording

Both Vantrue N4 Pro and Viofo A139 PRO feature Emergency Recording, automatically saving critical footage. Either camera ensures vital video is captured during incidents.

Locks footage during detected incidents.

Continuous Recording

Can it record continuously?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

Continuous recording functionality ensures ongoing video capture without breaks, vital for uninterrupted evidence gathering.

Indicates support for uninterrupted recording sessions.

Time-Lapse Recording

Is time-lapse recording available?

Yes 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

The camera supports time-lapse recording, a feature that captures frames at set intervals to produce condensed videos. This is useful for monitoring prolonged events effectively.

Captures frames at intervals to save storage.

Camera & Lens System 16

Front Lens Field of View

What is the front lens field of view?

155 degree 1 Votes
140 degree 0 Votes

Vantrue N4 Pro
vs
Viofo A139 PRO
Front Lens Field of View

Vantrue N4 Pro has a wider Front Lens Field of View at 155 degrees compared to Viofo A139 PRO's 140 degrees. Vantrue N4 Pro captures a broader scene, beneficial for comprehensive road coverage.

Indicates how wide the front camera can capture the road.

I really prefer the wider 155 degree front lens on the Vantrue N4 Pro since it captures more of the surroundings which feels safer to me.

See more

Focus Type

What focus type does it use?

0 Vantrue N4 Pro 0 Votes Fixed

0 Viofo A139 PRO 0 Votes Fixed

Vantrue N4 Pro
vs
Viofo A139 PRO
Focus Type

Both models use a Fixed Focus Type, ensuring simplicity with no need for manual adjustments while maintaining sharpness across typical dashcam viewing distances.

Describes how the camera focuses on objects.

Sensor Type

What sensor type is used?

0 Vantrue N4 Pro 0 Votes CMOS

0 Viofo A139 PRO 0 Votes CMOS

Vantrue N4 Pro
vs
Viofo A139 PRO
Sensor Type

The Sensor Type for both Vantrue N4 Pro and Viofo A139 PRO is CMOS, providing reliable image quality and power efficiency in both dashcams.

Identifies the imaging sensor technology used.

Rear Sensor Model

What is the rear sensor model?

0 Vantrue N4 Pro 0 Votes Sony STARVIS

0 Viofo A139 PRO 0 Votes Sony STARVIS IMX335

Vantrue N4 Pro
vs
Viofo A139 PRO
Rear Sensor Model

Vantrue N4 Pro uses a Sony STARVIS sensor model, while Viofo A139 PRO features a Sony STARVIS IMX335, the latter potentially offering improved low-light performance, favoring Viofo A139 PRO for nighttime recording.

Indicates the image sensor model for the rear camera.

Rear Lens Field of View

What is the rear lens field of view?

160 degree 0 Votes
170 degree 0 Votes

Vantrue N4 Pro
Vantrue N4 Pro

The rear lens offers an even wider field of view of 160 degrees, providing extensive coverage at the back of the vehicle for thorough recording.

Viofo A139 PRO
Viofo A139 PRO

The rear lens offers a wide 170-degree field of view, allowing broad coverage behind the vehicle for comprehensive recording.

Defines the viewing angle of the rear-facing lens.

Interior Lens Field of View

What is the interior lens field of view?

165 degree 0 Votes

Who knows? 0 Votes Viofo A139 PRO (Help us out by suggesting one!)

Vantrue N4 Pro
Vantrue N4 Pro

The interior lens covers a wide field of view of 165 degrees, ensuring comprehensive coverage inside the vehicle to monitor occupants effectively.

Measures the viewing angle for interior cabin recording.

Lens Type

What type of lens is used?

0 Vantrue N4 Pro 0 Votes Glass

0 Viofo A139 PRO 0 Votes Glass

Vantrue N4 Pro
Vantrue N4 Pro

The lenses use glass elements, which typically offer better clarity and durability compared to plastic.

Specifies the material and construction of the lens.

Distortion Correction

Does it correct lens distortion?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

Distortion correction reduces fisheye and lens distortion effects, producing more natural and accurate video images.

Reduces fisheye or edge distortion in wide-angle footage.

Anti-Glare Coating

Does it have anti-glare coating?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

Anti-glare coating shields the lens from reflective interference, improving image quality under direct sunlight.

Minimizes reflections and glare on the lens surface.

Polarizing Filter

Does it support a polarizing filter?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Polarizing Filter

Both Vantrue N4 Pro and Viofo A139 PRO include Polarizing Filters to reduce glare and reflections, enhancing video quality similarly for drivers.

Supports optional CPL filters to reduce reflections.

Front Sensor Model

What is the front sensor model?

0 Vantrue N4 Pro 0 Votes Sony STARVIS 2 IMX678

0 Viofo A139 PRO 0 Votes Sony STARVIS 2 IMX678

Viofo A139 PRO
Viofo A139 PRO

The front sensor is the Sony STARVIS 2 IMX678, known for excellent low-light sensitivity improving night-time recording quality.

Specifies the image sensor model used for the front camera.

Lens Aperture

What is the lens aperture?

0 Vantrue N4 Pro 0 Votes f/1.8 (Front),f/2.0 (Rear),f/1.8 (Interior)

0 Viofo A139 PRO 0 Votes F 1.6

Describes the lens opening size affecting low-light performance.

Display & Interface 12

Display Size

What is the display size?

3.19 inch 1 Votes
2.4 inch 0 Votes

Vantrue N4 Pro
vs
Viofo A139 PRO
Display Size

Vantrue N4 Pro offers a slightly larger Display Size at 3.19 inches compared to Viofo A139 PRO's 2.4 inches, providing easier viewing and menu navigation.

Measures the diagonal size of the built-in screen.

The bigger 3.19 inch display on the Vantrue N4 Pro is much nicer for navigating settings without needing a phone app.

See more

Status LED Indicators

Are status LEDs included?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Status LED Indicators

Both Vantrue N4 Pro and Viofo A139 PRO have Status LED Indicators to provide quick visual status updates, equally aiding user awareness.

Uses LED lights to show recording or system status.

Voice Control

Does it support voice control?

Yes 1 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Voice Control

Voice Control is available on Vantrue N4 Pro but not on Viofo A139 PRO, offering hands-free operation that can enhance driving safety and convenience.

Allows hands-free control using voice commands.

Voice control on the Vantrue N4 Pro is a big win for hands free use which the Viofo lacks.

See more

Screen Resolution

What is the screen resolution?

0 Vantrue N4 Pro 0 Votes 320x240

0 Viofo A139 PRO 0 Votes 320x240

Vantrue N4 Pro
vs
Viofo A139 PRO
Screen Resolution

Screen Resolution is identical at 320x240 pixels for both models, delivering comparable screen clarity for user interface and playback.

Defines the pixel resolution of the display.

Language Support

What languages are supported?

0 Vantrue N4 Pro 0 Votes English

0 Viofo A139 PRO 0 Votes English,Chinese

Vantrue N4 Pro
vs
Viofo A139 PRO
Language Support

Vantrue N4 Pro supports English language only, whereas Viofo A139 PRO supports English and Chinese, making the Viofo better suited for bilingual users.

Specifies supported system interface languages.

Built-in Display

Does it have a built-in display?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

The dash cam features a built-in display, providing direct video playback and live view without needing external devices.

Indicates whether the dash cam includes an integrated screen.

Display Type

What type of display does it use?

0 Vantrue N4 Pro 0 Votes IPS

0 Viofo A139 PRO 0 Votes IPS

Viofo A139 PRO
Viofo A139 PRO

An IPS display is used, providing better color accuracy and wider viewing angles compared to standard LCDs.

Describes the screen technology used.

Touchscreen

Is the display touchscreen-enabled?

Yes 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

A touchscreen interface simplifies operation and menu navigation compared to button-only control.

Indicates whether the screen supports touch input.

Screen Rotation

Does the screen rotate automatically?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Allows the display to rotate based on mounting orientation.

Screen Auto-Off

Does the screen turn off automatically?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Turns off the screen automatically to reduce distraction.

Physical Control Buttons

Does it have physical buttons?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Indicates presence of tactile buttons for control.

Voice Prompt

Are voice prompts supported?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Provides spoken alerts and system notifications.

Connectivity & Smart Features 14

Video Download via App

Can videos be downloaded via the app?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Video Download via App

Both Vantrue N4 Pro and Viofo A139 PRO enable Video Download via App, simplifying access to recordings on mobile devices equally well.

Allows recorded videos to be downloaded directly to a phone.

Firmware Update Method

How are firmware updates performed?

0 Vantrue N4 Pro 0 Votes App-Based, SD Card

0 Viofo A139 PRO 0 Votes App-Based, OTA, SD Card

Vantrue N4 Pro
vs
Viofo A139 PRO
Firmware Update Method

Vantrue N4 Pro offers Firmware Updates via App-Based and SD Card, while Viofo A139 PRO expands options with App-Based, OTA, and SD Card updates, providing more flexibility for updates.

Describes how firmware updates are delivered and installed.

Wi-Fi Frequency Band

Which Wi-Fi bands are supported?

0 Vantrue N4 Pro 1 Votes 2.4GHz, 5GHz

0 Viofo A139 PRO 0 Votes 5GHz

Vantrue N4 Pro
vs
Viofo A139 PRO
Wi-Fi Frequency Band

Vantrue N4 Pro supports both 2.4GHz and 5GHz Wi-Fi bands, while Viofo A139 PRO supports only 5GHz, making Vantrue better for versatile and robust wireless connections.

Specifies supported Wi-Fi bands for connection stability and speed.

I like the flexibility of dual-band Wi-Fi on the Vantrue N4 Pro since it helps maintain a better wireless connection.

See more

Cloud Connectivity

Does it support cloud connectivity?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Cloud Connectivity

Both models do not provide Cloud Connectivity, so cloud-based backup or streaming is unavailable with either option.

Allows footage upload and access via cloud services.

Driver Assistance Alerts

Are driver assistance alerts included?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Driver Assistance Alerts

Neither Vantrue N4 Pro nor Viofo A139 PRO offers Driver Assistance Alerts, so safety alert features are not a differentiator here.

Provides alerts related to driving behavior or road conditions.

GPS Module

Does it have GPS?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

The dash cam includes a GPS module, which logs location data along with speed, helping provide context during incident analysis.

Viofo A139 PRO
Viofo A139 PRO

GPS module support allows for tracking vehicle speed and position, assisting with location-based video evidence.

Indicates whether a built-in GPS module is included.

GPS Speed Logging

Does it log driving speed?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

GPS speed logging is supported, automatically recording vehicle speed alongside video data for accurate evidence and trip tracking.

Viofo A139 PRO
Viofo A139 PRO

GPS speed logging is included, enabling the dash cam to record the speed of the vehicle along with video footage. This can be useful for evidence in case of incidents.

Records vehicle speed data alongside video footage.

Wi-Fi Connectivity

Does it support Wi-Fi?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

Wi-Fi connectivity allows for wireless transfer of videos and device control through an app, enhancing ease of use.

Viofo A139 PRO
Viofo A139 PRO

Wi-Fi connectivity enables wireless interaction with the dash cam, facilitating settings adjustments and video download without cables.

Indicates whether the dash cam supports Wi-Fi connectivity.

Live View via App

Can you view live footage in the app?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

Live view is accessible through a mobile app, enabling real-time monitoring and playback remotely for added convenience and control.

Enables real-time camera viewing through the mobile app.

GPS Location Logging

Does it log GPS location?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

GPS location logging is integrated, recording the precise GPS coordinates during driving to verify vehicle routes.

Captures location coordinates with recorded footage.

Bluetooth Connectivity

Does it support Bluetooth?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Enables short-range wireless communication with other devices.

Mobile App Support

Is there a mobile app?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Indicates compatibility with a companion mobile application.

Safety, Security & Parking Protection 14

File Lock Protection

Are important files protected?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
File Lock Protection

File Lock Protection is offered in both models to secure important videos from deletion, giving equal security to Vantrue N4 Pro and Viofo A139 PRO.

Protects important footage from being overwritten.

Collision Detection

Does it detect collisions?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Collision Detection

Collision Detection is supported by both Vantrue N4 Pro and Viofo A139 PRO, ensuring detection and recording of incidents effectively for either camera.

Automatically detects collisions while driving.

Battery Drain Protection

Is battery drain protection included?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Battery Drain Protection

Battery Drain Protection is featured in both Vantrue N4 Pro and Viofo A139 PRO, preventing vehicle battery exhaustion equally for each model.

Prevents excessive vehicle battery drain.

Low-Voltage Cutoff

Does it have low-voltage cutoff?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
vs
Viofo A139 PRO
Low-Voltage Cutoff

Both Vantrue N4 Pro and Viofo A139 PRO include Low-Voltage Cutoff to protect car battery health, supporting long-term vehicle reliability equally.

Automatically cuts power when voltage drops too low.

Emergency SOS Recording

Does it support emergency SOS recording?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Automatically records and protects footage during emergencies.

Parking Mode Impact Detection

Does it detect impacts in parking mode?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

Parking mode impact detection triggers recording if motion or impacts are detected while the vehicle is parked, enhancing security.

Viofo A139 PRO
Viofo A139 PRO

Parking mode impact detection automatically records events triggered by impacts while the vehicle is stationary, offering security when parked.

Detects impacts while the vehicle is parked.

Tamper Detection

Does it detect tampering?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

Tamper detection is not supported, so the device does not alert or record if physically disturbed by a third party.

Detects unauthorized handling or movement of the device.

G-Sensor

Does it have a G-sensor?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Detects sudden impacts or collisions automatically.

Parking Mode Motion Detection

Does it detect motion while parked?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Triggers recording when motion is detected near the vehicle.

Encrypted Video Storage

Is video storage encrypted?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Encrypts stored footage for privacy and security.

Theft Deterrence Mode

Does it have theft deterrence features?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Provides features to discourage theft or misuse.

Driver Fatigue Alert

Does it provide fatigue alerts?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Alerts the driver when signs of fatigue are detected.

Power, Battery & Charging 14

Supercapacitor

Does it support a supercapacitor?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

Utilizing a supercapacitor instead of a traditional battery increases reliability under extreme temperatures and improves longevity.

Viofo A139 PRO
Viofo A139 PRO

A supercapacitor is included as a power backup, which is safer and more durable than traditional batteries in automotive environments.

Indicates support for supercapacitors instead of batteries.

Power Input Voltage

What input voltage does it require?

5 Volt 0 Votes
5 Volt 0 Votes

Vantrue N4 Pro
Vantrue N4 Pro

The device operates at a power input of 5 Volt, which is the standard voltage for USB-powered devices.

Viofo A139 PRO
Viofo A139 PRO

Power input voltage is 5 volts, a common standard for USB-powered devices, ensuring compatibility with many power sources.

Defines the voltage required to power the dash cam.

Cold Start Reliability

Does it start reliably in cold weather?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

Cold start reliability implies the dash cam performs well in low temperatures, remaining functional even in cold weather conditions.

Ensures reliable startup in cold temperatures.

Heat Resistance Design

Is it designed for heat resistance?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

Heat resistance design means the device is built to withstand high temperatures, ensuring consistent function even in hot climates.

Designed to withstand high in-vehicle temperatures.

Hardwire Kit

Is a hardwire kit supported?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Indicates compatibility with a dedicated hardwire kit.

Power Consumption

What is the power consumption?

5 Watt 0 Votes
5 Watt 0 Votes

Vantrue N4 Pro
Vantrue N4 Pro

Power consumption is rated at 5 Watts, indicating efficient energy use during operation.

Viofo A139 PRO
Viofo A139 PRO

The device consumes approximately 5 watts of power, which is modest and typical for a multi-camera dash cam setup.

Measures how much power the dash cam consumes.

Charging While Recording

Can it charge while recording?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

The dash cam supports charging while recording, ensuring continuous power supply during operation.

Allows recording to continue while charging.

Auto Power Off

Does it power off automatically?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

Auto power off feature turns off the dash cam automatically when the vehicle is powered down, preventing unnecessary battery drain.

Automatically shuts down when the vehicle is off.

Internal Battery Type

What type of internal battery does it use?

Who knows? 0 Votes Vantrue N4 Pro (Help us out by suggesting one!)

Who knows? 0 Votes Viofo A139 PRO (Help us out by suggesting one!)

Specifies the type of built-in battery used.

Internal Battery Capacity

What is the internal battery capacity?

Who knows? 0 Votes Vantrue N4 Pro (Help us out by suggesting one!)

Who knows? 0 Votes Viofo A139 PRO (Help us out by suggesting one!)

Indicates the energy capacity of the internal battery.

Charging Method

How is the dash cam charged?

0 Vantrue N4 Pro 0 Votes USB, Hardwire

0 Viofo A139 PRO 0 Votes USB, Hardwire

Describes how the device receives power.

USB Connector Type

What USB connector type is used?

0 Vantrue N4 Pro 0 Votes USB-C

0 Viofo A139 PRO 0 Votes USB-C

Specifies the USB port used for power and data.

Storage & File Management 12

File Format

What file format is used?

0 Vantrue N4 Pro 0 Votes MP4

0 Viofo A139 PRO 0 Votes MP4

Vantrue N4 Pro
Vantrue N4 Pro

Videos are saved in MP4 format, a widely compatible and efficient digital video container.

Defines the video file format used for recordings.

Manual File Lock

Can files be manually locked?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

Manual file lock functionality allows users to lock specific video files to prevent accidental overwriting in case of incidents.

Allows users to manually lock important footage.

Storage Encryption

Is stored data encrypted?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

No storage encryption is implemented; therefore, users should be aware that stored videos might be accessible if the memory card is removed.

Encrypts stored files for privacy and security.

Storage Error Alerts

Are storage error alerts provided?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

Storage error alerts notify the user promptly if there is an issue with the memory card, preventing loss of important footage.

Alerts users when storage issues occur.

Formatting Method

How is storage formatted?

0 Vantrue N4 Pro 0 Votes In-Device, App-Based

0 Viofo A139 PRO 0 Votes In-Device, App-Based

Describes how storage media can be formatted.

Storage Speed Class Requirement

What storage speed class is required?

0 Vantrue N4 Pro 0 Votes U3 or higher

0 Viofo A139 PRO 0 Votes U3 or Higher

Viofo A139 PRO
Viofo A139 PRO

A storage speed class requirement of U3 or higher ensures the memory card can sustain high-speed writing necessary for 4K and high frame rate video recording.

Specifies the minimum card speed required for stable recording.

Overwrite Protection

Are important files protected from overwrite?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

Overwrite protection is active, which safeguards important footage from being overwritten in cyclic recording modes.

Prevents protected files from being overwritten.

File Naming Convention

How are files named?

0 Vantrue N4 Pro 0 Votes Date-Time Stamp Based

0 Viofo A139 PRO 0 Votes Date-Time Stamp

Viofo A139 PRO
Viofo A139 PRO

The file naming convention uses a Date-Time Stamp to help organize video files chronologically, which is vital for efficient video retrieval during incident reviews.

Describes how recorded files are named and organized.

Included Storage

How much storage is included?

Who knows? 0 Votes Vantrue N4 Pro (Help us out by suggesting one!)

Who knows? 0 Votes Viofo A139 PRO (Help us out by suggesting one!)

Indicates the amount of storage included out of the box.

Maximum Supported Storage

What is the maximum supported storage?

512 GB 0 Votes
512 GB 0 Votes

Defines the maximum expandable storage capacity supported.

File Segmentation Interval

How long is each video segment?

0 Vantrue N4 Pro 0 Votes 1/3/5 Minutes

0 Viofo A139 PRO 0 Votes 1/3/5 Minutes

Determines how long each recorded video file is.

Data Recovery

Is data recovery supported?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Supports recovery of corrupted or deleted files.

Build, Dimensions & Mounting 17

Rear Camera Depth

What is the rear camera depth?

1.2 inch 0 Votes
1 inch 0 Votes

Viofo A139 PRO
Viofo A139 PRO

The rear camera depth is 1 inch (2.54 cm), a compact size that facilitates discreet installation.

Indicates the depth of the rear camera housing.

Interior Camera Depth

What is the interior camera depth?

1.2 inch 0 Votes

Who knows? 0 Votes Viofo A139 PRO (Help us out by suggesting one!)

Indicates the depth of the interior camera housing.

Suction Mount

Is a suction mount included?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Indicates whether a suction cup mount is included.

Housing Material

What is the housing material?

0 Vantrue N4 Pro 0 Votes Plastic

0 Viofo A139 PRO 0 Votes Plastic

Describes the material used for the dash cam housing.

Cable Length

How long is the cable?

11.5 ft 0 Votes
3.5 ft 0 Votes

Vantrue N4 Pro
Vantrue N4 Pro

The included cable length is 11.5 feet (3.51 meters), providing ample reach for flexible mounting options.

Viofo A139 PRO
Viofo A139 PRO

The included cable length is 3.5 feet (1.07 meters), providing sufficient reach for typical vehicle installations.

Measures the length of the included power or camera cable.

Rear Camera Height

What is the rear camera height?

1.2 inch 0 Votes
1 inch 0 Votes

Vantrue N4 Pro
Vantrue N4 Pro

The rear camera height measures 1.2 inches (3.05 cm), indicating its compact size for easy installation.

Measures the height of the rear camera module.

Interior Camera Width

What is the interior camera width?

1.5 inch 0 Votes

Who knows? 0 Votes Viofo A139 PRO (Help us out by suggesting one!)

Vantrue N4 Pro
Vantrue N4 Pro

The interior camera width is 1.5 inches (3.81 cm), small enough to fit inconspicuously inside the vehicle.

Measures the width of the interior-facing camera.

Adhesive Mount

Is an adhesive mount included?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Viofo A139 PRO
Viofo A139 PRO

An adhesive mount is included for secure and stable dash cam installation on the windshield or dashboard.

Indicates whether an adhesive mount is included in the box.

Vibration Resistance

Is it vibration resistant?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

Vibration resistance enhances video stability and durability, especially helpful when driving on rough roads.

Indicates resistance to vibration from road conditions.

Main Unit Width

What is the main unit width?

3.8 inch 0 Votes
4 inch 0 Votes

Measures the horizontal width of the main dash cam unit.

Main Unit Depth

What is the main unit depth?

1.6 inch 0 Votes
1.5 inch 0 Votes

Measures the front-to-back depth of the main unit.

Main Unit Height

What is the main unit height?

2.3 inch 0 Votes
1.4 inch 0 Votes

Measures the vertical height of the main dash cam unit.

Maintenance, Updates & Ownership 10

Firmware Update Frequency

How often are firmware updates provided?

0 Vantrue N4 Pro 0 Votes Occasional

0 Viofo A139 PRO 0 Votes Regular

Describes how frequently firmware updates are released by the manufacturer.

Update Delivery Method

How are updates delivered?

0 Vantrue N4 Pro 0 Votes App-Based, SD Card

0 Viofo A139 PRO 0 Votes SD Card

Specifies how firmware updates are delivered.

Operating Noise Level

How loud is the dash cam?

0 dB 0 Votes
0 dB 0 Votes

Measures any operational noise produced during use.

Customer Support Channels

What support channels are available?

0 Vantrue N4 Pro 0 Votes Email

0 Viofo A139 PRO 0 Votes Email

Lists available customer support methods.

Subscription Requirement

Is a subscription required?

No 0 Votes Vantrue N4 Pro

No 0 Votes Viofo A139 PRO

Indicates whether a paid subscription is required.

Replacement Parts Availability

Are replacement parts available?

Yes 0 Votes Vantrue N4 Pro

Yes 0 Votes Viofo A139 PRO

Vantrue N4 Pro
Vantrue N4 Pro

Replacement parts are available, which supports easy maintenance and repairs rather than full device replacement.

Viofo A139 PRO
Viofo A139 PRO

Replacement parts availability is ensured, facilitating maintenance and repair to extend device lifespan.

Indicates availability of official replacement parts.

Warranty Length

What is the warranty length?

0 Vantrue N4 Pro 0 Votes 1 Year

0 Viofo A139 PRO 0 Votes 1 Year

Viofo A139 PRO
Viofo A139 PRO

The product includes a 1-year warranty covering defects and technical support.

Indicates the duration of the manufacturer warranty.

Average Lifespan

What is the average lifespan?

5 year 0 Votes
5 year 0 Votes

Estimates the typical usable lifespan of the device.

Maintenance Requirement

What maintenance is required?

0 Vantrue N4 Pro 0 Votes Low

0 Viofo A139 PRO 0 Votes Low

Describes the level of routine maintenance required to keep the dash cam functioning properly.

Cleaning Requirement

How does it need to be cleaned?

0 Vantrue N4 Pro 0 Votes Wipe Lens Regularly

0 Viofo A139 PRO 0 Votes Occasional

Indicates how often and how the device should be cleaned for optimal performance.

Surveys

Because hot takes deserve votes.

Video Recording Quality

How satisfied are you with the video clarity and detail captured by this dash cam during daytime and nighttime driving?

Outstanding clarity — 4K resolution with clear night footage
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Very clear — 1440p resolution with good night visibility
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Good enough — 1080p resolution with acceptable night footage
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Below average — 1080p with noticeable blur or noise at night
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Hard to rely on — Below 1080p with poor detail
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO

Field of View Coverage

How well does this dash cam capture the road area in front of the vehicle?

Covers everything — 160 to 180 degrees
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Very wide view — 140 to 159 degrees
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Decent coverage — 120 to 139 degrees
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Limited view — 100 to 119 degrees
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Too narrow — Under 100 degrees
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO

Night Recording Performance

How effective is this dash cam at recording clear footage in low light or nighttime conditions?

Excellent night capture — Clear details up to 50 feet
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Very good visibility — Clear details up to 35 to 50 feet
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Acceptable — Clear details up to 20 to 35 feet
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Struggles in the dark — Clear details under 20 feet
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Barely usable — Night footage often unclear
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO

Ease of Setup and Installation

How easy is it to install and start using this dash cam for the first time?

Super easy — Ready to use in under 10 minutes
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Pretty simple — Setup takes 10 to 20 minutes
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Manageable — Setup takes 20 to 40 minutes
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
A bit frustrating — Setup takes 40 to 60 minutes
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Painful setup — Takes over 1 hour or needs help
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO

App and Software Experience

How smooth and user friendly is the app or software used with this dash cam?

Smooth and intuitive — Easy navigation and quick access
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Mostly smooth — Minor hiccups but easy to use
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Average experience — Usable but not very polished
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Clunky — Slow or confusing at times
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Hard to use — Buggy or unreliable
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO

Reliability and Durability

How reliable does this dash cam feel during daily driving over time?

Rock solid — Works reliably for over 5 years
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Very reliable — Expected lifespan of 3 to 5 years
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Decent reliability — Lasts around 2 to 3 years
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Some concerns — Issues appear within 1 to 2 years
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Unreliable — Problems within the first year
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO

Power and Heat Management

How well does this dash cam handle heat and power during long drives?

Stays cool — Runs smoothly for 6+ hours
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Handles heat well — Stable for 4 to 6 hours
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Acceptable — Stable for 2 to 4 hours
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Gets warm — Issues after 1 to 2 hours
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Overheats — Problems under 1 hour
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO

Storage and Loop Recording

How well does this dash cam manage video storage and loop recording?

Excellent handling — Supports up to 512 GB smoothly
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Very good — Supports up to 256 GB reliably
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Good enough — Supports up to 128 GB
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Limited — Supports up to 64 GB
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Too limited — Under 64 GB support
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO

Design and Build Appeal

How appealing and discreet is the design of this dash cam inside the car?

Sleek and discreet — Barely noticeable
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Clean look — Fits well with most interiors
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Average design — Looks fine but noticeable
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Bulky — Stands out too much
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Ugly and distracting — Ruins interior look
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO

Overall Ease of Daily Use

How convenient is this dash cam to use during everyday driving?

Effortless — Set it and forget it
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Very convenient — Rarely needs attention
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Fairly easy — Needs occasional interaction
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Annoying — Requires frequent adjustments
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO
Too much hassle — Constant issues
0 Votes
Vantrue N4 Pro
0 Votes
Viofo A139 PRO

Guides 2

Files 1

Vantrue N4 pro User Manual English

vantruecam.com
vantruecam.com

Files 1

VIOFO A139 PRO - Read The Manual

viofotech.com
viofotech.com

Reviews 0

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Discussions 0

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