ThinkDiag+ vs Autophix
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ThinkDiag+
This app provides professional-level vehicle diagnostics, offering features like reading/clearing fault codes, data flow analysis, and special maintenance functions. It supports a wide range of car brands and allows users to subscribe to specific diagnostic software. Connects via Bluetooth to your smartphone for intelligent vehicle analysis.
- OE-level diagnostic functions
- Full OBD II diagnosis
- Special maintenance functions
- Supports 100+ vehicle brands
- 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). Not only for "ThinkDiag" and "ThinkDiag 2" device, but also works for "ThinkDiag Mini", "ThinkDirver", and "Thinkcar Pro" devices. ThinkDiag, an innovative vehicle diagnostic tool, is specially designed for repair technicians, small and medium-sized repair shops, and DIYers, to achieve the original manufacturer level diagnostic performance. It supports more than 100 vehicle brands of diagnostic services, including 15 special maintenance reset functions. ThinkDiag is as good as those comprehensive diagnostic equipment costed thousands of dollars. ThinkDiag is also an intelligent diagnostic device. Connecting with smartphone via Bluetooth, it is controlled to work by app. In the app, there is a diagnostic software store, and users can subscribe for diagnostic software according to their needs. ***Contact Us W: www.mythinkcar.com E: service@mythinkcar.com P: +1 833-692-2766 2151 S Haven Ave Unit 203 Ontario CA 91761 USA
Autophix
This application provides comprehensive vehicle diagnostics, allowing users to read and clear error codes, view live data streams, and perform maintenance resets. It supports full OBD2 diagnostic modes and offers a dashboard for monitoring vehicle performance. Diagnostic data can be saved and shared.
- Read and erase diagnostic trouble codes
- View live data streams
- Perform maintenance resets
- Support for special functions (e.g., brake pad replacement)
- Full OBD2 diagnostic mode
- Save and share diagnostic data
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Autophix is a whole car inspection APP. Supports basic functions such as read codes, erase codes, read data stream, version information, and special functions such as maintenance reset, replacement of brake pads, and throttle reset. OBD2 supports full diagnostic mode, and has a cool dashboard. Support the saving and sharing of diagnostic data.
Screenshots
Verdict
The clearest difference is rating: ThinkDiag+ at 4.5 against Autophix's 3.8. ThinkDiag+ also leads on review sentiment (74% vs 38%) and in-app purchases (none vs 12). On price, update cadence, ads and monetization model 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. Autophix sells 12 one-off in-app purchases. ThinkDiag+ asks for nothing beyond the download.
ThinkDiag+ holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: ThinkDiag+ has 4.3K ratings behind it against 28, so its average is the more settled of the two. Written reviews point the same way: 74% of ThinkDiag+'s written reviews are positive against 38% of Autophix's.
ThinkDiag+ ships an update every 3 weeks, Autophix every 6 weeks. Both last shipped on October 16, 2026.
| Parameter | ThinkDiag+ | Autophix |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4.3K ratings) — better | 3.8 (28 ratings) |
| Positive reviews | 74.1% of reviews — better | 37.5% of reviews |
| Number of ratings | 4.3K — better | 28 |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 539 MB | 338 MB |
| Age rating | 17+ | 4+ |
| Developer | THINKCAR INC | Autophix Tech Co., Ltd |
Customer experience
ThinkDiag+
Autophix
Bugs and requests
ThinkDiag+
Reported bugs
3 issues- Failure to recognize VIN or vehicle information
- Inability to clear certain error codes
- Inconsistent performance across different devices
Requested features
4 requests- Improved user interface and navigation
- More detailed troubleshooting guides
- Expanded vehicle coverage and special functions
- Offline mode for diagnostics
Autophix
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ThinkDiag+
No in-app purchases
Autophix
- For BMWDiagnosis$0.99
- For VWDiagnosis$0.99
- For HONDADiagnosis$9.99
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- For LROVERDiagnosis$9.99
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- For HYUNDAIDiagnosis$9.99
- For RENAULTDiagnosis$9.99
- For VOLVODiagnosis$9.99
- For TOYOTADiagnosis$9.99
- For BENZDiagnosis$9.99
- For VAUXHALLDiagnosis$9.99
- For NISSANDiagnosis$9.99
