OBD Plus vs Viecar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OBD Plus
Monitor your vehicle's engine, emissions, and other critical systems. This app aids in diagnosing car issues and provides insights into various components for better car maintenance.
- Vehicle condition monitoring
- Car diagnostics
- Engine system monitoring
- Emission control system analysis
- Oxygen sensor monitoring
- Fuel system analysis
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Our APP can help the user to reach the function including vehicle condition, car and car diagnose, Through the participation of automobile. It not only solves the problems of some owners, but also monitors many systems and components, including engine, catalytic converter, Oxygen sensors, emission control systems, fuel systems, GER and so on. Let your car and life perfect!
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.
- 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
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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
Verdict
The clearest difference is rating: Viecar at 4.0 against OBD Plus's 3.3. OBD Plus's advantage is review sentiment (22% vs 0%) and ratings volume (4 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Viecar holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews complicate that: 22% of OBD Plus's written reviews are positive against 0% of Viecar's, so the app with the better star average is not the one people write more warmly about.
Both ship on a similar rhythm, roughly every 4 weeks. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.
| Parameter | OBD Plus | Viecar |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (4 ratings) | 4.0 (1 ratings) — better |
| Positive reviews | 21.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 4 weeks | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 9.0 |
| Further details — not scored | ||
| Size | 30 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Leagend Optoelectronics Co., Ltd. | Shenzhen Chaoyue Technology Development Co.,Ltd |
Customer experience
OBD Plus
Viecar
In-app purchases
OBD Plus
No in-app purchases
Viecar
No in-app purchases
