Mucar vs TopScan VAG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mucar
Access professional-level automotive diagnostic functions, including reading and clearing fault codes, viewing live data, and performing special tests. Supports a wide range of vehicle manufacturers and offers a community forum for users to share insights and get support.
- OE-level professional functions
- Full OBD II diagnosis
- Maintenance light reset
- Support for 39+ manufacturers
- Automatic VIN reading
- Professional diagnostic reports
- In-app user community
Read full descriptionHide full description
1. Profession functions refer to OE level functions, such as read/clear code, data flow diagram, read ECU, drive test, bidirectional special functions, etc. 2.Support full-function OBD II diagnosis, read data flow, freeze frame read IM/real-time data, read/clear fault code, vehicle on-board monitoring/computer system control operation and read vehicle information. 3.Support vehicle maintenance light return to normal. 4.Select any vehicle diagnostic software, covering up to 39 major automobile manufacturers. 5. Support automatic VIN reading and one-key diagnosis. 6. Clear interpretation of fault codes and generate professional diagnostic reports. 7. Be able to communicate with other users within the ThinkDiag community (share/help/support).
TopScan VAG
This app transforms your phone into a powerful car diagnostic tool for Volkswagen models. It offers full system diagnosis, bi-directional controls, and special maintenance functions. Connects wirelessly via Bluetooth for easy vehicle identification and detailed reports.
- Full system diagnosis
- Bi-directional controls
- Special maintenance functions
- AutoVIN vehicle identification
- Wireless Bluetooth 5.0 connection
- Diagnostic report generation
Read full descriptionHide full description
TopScan VAG APP is specially designed for Volkswagen models. Connect the TopScan VAG to your Phone via Bluetooth and turn your devices into a smart and powerful diagnostic tool! The Bluetooth OBDII scan tool is loaded with essential features such as full OBDII functionality, full system diagnosis, bi-directional controls, autoVIN, automatic diagnostic reports, and more. Maintenance service functions and coverage for 100+ vehicle brands make the Topscan a versatile and portable auto scanner for technicians. Key Features: 1. Full-system diagnosis: Engine, Transmission, Airbag, ABS, ESP, TPMS, Immobilizer, Gateway, Steering, Radio, Air Conditioning and more. 2. All-system diagnostic basic functions: access ECU info, read fault codes, clear fault codes, read data stream. 3. Special functions: Oil reset, throttle adaptation, EPB reset, BMS reset, and more. 4. Bi-directional control to target problems easily. 4. AutoVIN for automatic vehicle identification and quick diagnosis. 5. Wireless connection, Bluetooth 5.0 with a range of 33 feet/10m. Works on iOS 11.0 or above, compact and portable. 6. Repair data library: DTC repair guide, technical service bulletin, DLC location, warning light library. 7. Graph, value and dashboard-like data display for easy interpretation. 8. Generate diagnostic reports for system, fault Codes, or data streams. 9. Feedback function enables users to submit issues and requests to us in a convenient way.
Screenshots
Verdict
The clearest difference is rating: Mucar at 4.6 against TopScan VAG's 2.6. Mucar also leads on ratings volume (382 vs 8) and iOS requirement (9.0 vs 11.0). On price, review sentiment, update cadence and ads 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.
Mucar holds the better App Store score, 4.6 against 2.6. That said, the two scores are not equally well evidenced: Mucar has 382 ratings behind it against 8, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.
Mucar ships an update every 2 months, TopScan VAG every 3 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.
| Parameter | Mucar | TopScan VAG |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (382 ratings) — better | 2.6 (8 ratings) |
| Positive reviews | 49.6% of reviews | 50.0% of reviews — better |
| Number of ratings | 382 — better | 8 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 500 MB | 1.8 GB |
| Age rating | 17+ | 4+ |
| Developer | THINKCAR INC | HK TOPDON TECHNOLOGY Co., LIMITED |
Customer experience
Mucar
TopScan VAG
Bugs and requests
Mucar
Reported bugs
20 issues- TCM fault cannot be cleared
- App crashes during report generation
- Functions removed after updates (Hyundai, Kia, special functions)
- App crashes or freezes
- Connection errors
Show 15 moreShow fewer
- Bluetooth connectivity issues
- Login process fails
- App becomes blank or empty after update
- Cannot read errors
- App crashes when communicating with car
- Data stream issues
- Special functions not appearing
- App not working after update
- Cannot register account
- App not loading or showing white screen
- Cannot read specific car blocks (e.g., ECM)
- SAS reset not working
- App not detecting certain car models
- App not working on iPhone after update
- App not updating on iPhone
Requested features
20 requests- Add Turkish language support
- Add Perodua and Proton car support
- Improve Russian translation and fix abbreviations
- Add VAZ support for iOS
- Add Haval support for iOS
Show 15 moreShow fewer
- Add Chery support for iOS
- Add Citroen support for iOS
- Add Bulgarian language support
- Add CarPlay app support
- Add proper screen scaling for iPad
- Add daily, weekly, or yearly subscription options
- Add more car manufacturers to the iOS version
- Add support for specific car models (e.g., Jeep Renegade Flex 1.8)
- Improve data stream readability
- Add translator for iPhone
- Add full Russian localization
- Improve app interface and design
- Add payment options via phone bill
- Add support for specific car blocks (e.g., ECM)
- Add support for specific functions (e.g., SAS reset)
TopScan VAG
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mucar
No in-app purchases
TopScan VAG
No in-app purchases
