Comparison

OBD Mate vs Viecar

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OBD Mate

Diagnose vehicle faults and receive driving assistance using your smartphone or tablet. Connect via Bluetooth to read and clear error codes, monitor sensor data, and view custom dashboards for a better driving experience.

Highlights
  • Fault diagnosis
  • Driving assistance
  • Read and clear codes
  • Freeze frame data
  • O2 sensor monitoring
  • Customizable dashboard
Features
Read full description

The OBD assistant is a driving companion that can communicate with the vehicle terminal through Bluetooth using smartphones and tablets to complete functions such as fault diagnosis and driving assistance. It not only has rich and comprehensive vehicle detection and diagnosis functions such as fault code reading and clearing, freeze frames, battery voltage, gearbox, and performance testing, but also has a cool instrument panel and driving assistance functions, making driving more fun.

About

Viecar

This app connects to your vehicle's ECU via Bluetooth to perform comprehensive diagnostics and health checks. It helps identify potential issues early, analyze fuel consumption, and track driving behavior for improved efficiency and safety.

Highlights
  • 360° vehicle physical examination
  • Early detection of vehicle sub-health
  • Historical fuel consumption analysis
  • Driving behavior recording and analysis
  • Bluetooth 4.0 dual-mode connectivity
  • Low power consumption
Features
Read full description

Viecar 4.0 is a "software + hardware" multi-functional, all-round vehicle high-tech car detection tool. It adopts Bluetooth 4.0 dual-mode design, perfectly supports iOS devices, supports high-speed data transmission, and has low power consumption and ultra-power saving. advantage. By connecting the car ECU computer interface to achieve 360° full vehicle physical examination, early detection of vehicle sub-health can also ensure that the vehicle is found to be faulty as early as possible during the warranty period, so as to timely deal with the relevant interests and protect the interests of the owner; Historical fuel consumption and other multi-dimensional fuel consumption analysis and evaluation, so that owners can save money and save money; can also record driving behavior, analyze vehicle condition data, propose improvements, timely correct bad driving habits, and enable drivers to use their own car more humane. .

Screenshots

OBD Mate4 screens
Viecar2 screens

Verdict

The call

The clearest difference is rating: Viecar at 4.0 against OBD Mate's 1.8. Viecar also leads on review sentiment (20% vs 9%) and iOS requirement (9.0 vs 13.0). OBD Mate's advantage is ratings volume (115 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Viecar holds the better App Store score, 4.0 against 1.8. That said, the two scores are not equally well evidenced: OBD Mate has 115 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 9% of OBD Mate's written reviews are positive against 20% of Viecar's.

UpkeepUpdate frequency

OBD Mate ships an update every 5 weeks, Viecar every 4 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
OBD Mate versus Viecar: the parameters behind the verdict, then further details
ParameterOBD MateViecar
PriceFreeFree
Rating1.8 (115 ratings)4.0 (1 ratings) — better
Positive reviews9.4% of reviews20.0% of reviews — better
Number of ratings115 — better1
Update frequencyEvery 5 weeksEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.09.0 — better
Further details — not scored
Size365 MB39 MB
Age rating4+4+
DeveloperAutophix Tech Co., LtdShenzhen Chaoyue Technology Development Co.,Ltd

Customer experience

OBD Mate

All ratings115 ratings
Positive17.4%
Neutral5.2%
Negative77.4%
Written reviews96 reviews
Positive9.4%
Neutral7.3%
Negative83.3%

Viecar

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

In-app purchases

None

OBD Mate

No in-app purchases

None

Viecar

No in-app purchases

Questions

Is OBD Mate free?
OBD Mate is free to download, with no in-app purchases.
Is Viecar free?
Viecar is free to download, with no in-app purchases.
Which has better reviews, OBD Mate or Viecar?
Viecar is rated higher. OBD Mate averages 1.8 out of 5 from 115 ratings, while Viecar averages 4.0 from 1 ratings.
Do OBD Mate or Viecar have ads?
Neither OBD Mate nor Viecar shows ads.
Which is updated more often, OBD Mate or Viecar?
OBD Mate ships an update every 5 weeks, and Viecar every 4 weeks. Most recently, OBD Mate was updated on November 2, 2026 and Viecar on November 3, 2026.

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