Mucar vs Advancer AD20
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
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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).
Advancer AD20
This app connects to a smart OBD dongle to provide vehicle health checks, diagnosis, and real-time monitoring. It helps identify fault codes, analyze driving habits, and offers maintenance reminders for enhanced driving safety.
- OBD-II Diagnosis
- In-depth system check
- Live vehicle data monitoring
- Maintenance light reset
- Trip recorder
- Driving habits analysis
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Advancer Smart OBD Dongle (AD20/AD20 Pro) is a smart diagnosis terminal that communicates with your iOS devices via BT 5.0. With the Advancer app, AD20 provides services like vehicle health check, diagnosis, driving habits analysis for car owners. Help the vehicle owner to check at any time whether the vehicle is out of order, display the cause of the fault and maintenance suggestions, monitor the status of the vehicle in real time and alert the safety hazards early to ensure your driving safety 1)OBD-II Diagnosis Advancer AD20 can read and categorize the fault codes (DTCs) that storage inside the vehicle ECU via standard OBD-II protocols. 2)In-depth Check In-depth check function allows you to do thorough check on vehicle systems like engine, powertrain, brakes, steering, safety, infotainment and so on, which helps owners to know the health condition of the car clearly and provide safe and comfortable driving experience on travels. Note: In-depth check on all systems is only supported on AD20 Pro; AD20 supports in-depth check on engine only. 3)Live Data When the car is started, Advancer will provide and demonstrate detailed vehicle status like battery voltage, engine revolution speed, coolant temperature, engine load, fuel trimming and so on. This will help you to get the real-time working conditions of the car. 4)Maintenance Light Reset Reset the maintenance counter and turn off the maintenance light after finishing maintenance. For your driving safety, make sure you have followed the manual when doing maintenance to your own car. Note: Maintenance light is a reminder set by car manufacturer, which reminds drivers to do maintenances when needed. When the reminder is on, the car will show info on the dashboard screen, or simply shows a light. 5)Trip Recorder When driving, Advancer will record the index like average speed, fuel consumption, mileage, max engine revolution speed, max coolant temperature and shows them on the app. This will help you to know vehicle status and fuel consumption info on the entire trip. 6)Driving Habits Monitor With the G-sensors inside Advancer, all the sharp turns, emergency brakes and sudden accelerations will be recorded and shown on the app after analyzed. This function will provide data support if you are willing to improve your driving skills.
Screenshots
Verdict
The clearest difference is rating: Mucar at 4.6 against Advancer AD20's 2.4. Mucar also leads on review sentiment (50% vs 14%) and ratings volume (277 vs 62). 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.
Mucar holds the better App Store score, 4.6 against 2.4. Both are backed by a comparable volume of ratings — 277 and 62 respectively. Written reviews point the same way: 50% of Mucar's written reviews are positive against 14% of Advancer AD20's.
Mucar ships an update every 2 months, Advancer AD20 monthly. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.
| Parameter | Mucar | Advancer AD20 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (277 ratings) — better | 2.4 (62 ratings) |
| Positive reviews | 49.6% of reviews — better | 13.9% of reviews |
| Number of ratings | 277 — better | 62 |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 500 MB | 496 MB |
| Age rating | 17+ | 12+ |
| Developer | THINKCAR INC | 深圳市云伽未来智能技术有限公司 |
Customer experience
Mucar
Advancer AD20
User reviews
Mucar
From 277 App Store ratingsWhat we love
- 👍 Easy to use and read codes
- 👍 Good product for DIY diagnostics
- 👍 Reads all blocks and codes
- 👍 Works well for the price
- 👍 Good diagnostic tool
Room to improve
- 👎 Subscription model is expensive
- 👎 Limited functionality on iPhone compared to Android
- 👎 Some features are missing or removed after updates
- 👎 Inconsistent support for car brands
- 👎 Poor translation and localization
Advancer AD20
From 62 App Store ratingsWhat we love
- 👍 Easy installation and pairing
- 👍 Straightforward iPad pairing
- 👍 Full diagnostic capabilities
- 👍 Satisfied with results
- 👍 Works as expected for some users
Room to improve
- 🐛 Cannot connect to device
- 🐛 Scanner tied to another account
- 🐛 Required account creation
- 🐛 Invalid email for account creation
- 🐛 Does not connect to specific car models
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)
Advancer AD20
Reported bugs
14 issues- Cannot connect to scanner
- Scanner tied to another account
- Account creation issues (invalid email)
- Device stops working after registration
- Login timeouts
Show 9 moreShow fewer
- Connection timeouts
- Pairing issues (only once)
- App crashes after iOS updates
- App not working after iOS updates
- App doesn't connect after iOS updates
- App opens to nothing
- Cannot login or register
- Stuck on login/registration screen
- Issue launching app on mobile network
Requested features
8 requests- Add more languages, including Chinese
- Improve information availability for various car models
- Fix issues with iOS updates
- Improve app layout and navigation
- Increase text size and contrast
Show 3 moreShow fewer
- Remember most recent fault scans
- Remove unnecessary login requirements
- Fix connection issues on mobile networks (4G/5G)
In-app purchases
Mucar
No in-app purchases
Advancer AD20
No in-app purchases








