ThinkDiag+ vs Launch AIOBD
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
Launch AIOBD
This tool diagnoses vehicle faults using a mobile device and a Bluetooth connector. It performs full system diagnostics, reads and clears trouble codes, and analyzes data streams for various car models.
- Full system vehicle diagnosis
- One-click intelligent diagnosis
- Read and clear DTCs
- Read data streams
- Salt spray testing
- Supports mainstream models
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LAUNCH AIOBD vehicle diagnostic application is a vehicle fault diagnosis tool software developed based on the mobile intelligent terminal platform and suitable for the vehicle repair market. By using a dedicated connector to interact with the vehicle through Bluetooth data, it supports one-click intelligent diagnosis and can realize the fault diagnosis of the full systems of the vehicle including the power system, safety system, etc. It supports functions such as automatic OBD, reading DTCs, clearing DTCs, reading data streams, and salt spray testing. The software contains EOBD, salt spray testing, and diagnostic software for various mainstream models. It can meet the actual needs of most users to detect vehicles.
Screenshots
Verdict
The clearest difference is review sentiment: ThinkDiag+ at 74% against Launch AIOBD's 0%. ThinkDiag+ also leads on rating (4.5 vs 2.3) and in-app purchases (none vs 19). 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. Launch AIOBD sells 19 one-off in-app purchases. ThinkDiag+ asks for nothing beyond the download.
ThinkDiag+ holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: ThinkDiag+ has 4.3K ratings behind it against 3, 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 0% of Launch AIOBD's.
Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 16, 2026.
| Parameter | ThinkDiag+ | Launch AIOBD |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4.3K ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 74.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 4.3K — better | 3 |
| Update frequency | Every 3 weeks | Every 3 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 — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 539 MB | 752 MB |
| Age rating | 17+ | 17+ |
| Developer | THINKCAR INC | Launch Tech Co., Ltd |
Customer experience
ThinkDiag+
Launch AIOBD
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
Launch AIOBD
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ThinkDiag+
No in-app purchases
Launch AIOBD
- FIAT$0.29
- Software services(2.99)$2.99
- Software services(3.99)$3.99
Show 16 moreShow fewer
- Software services(4.99)$4.99
- Software services(8.99)$8.99
- Software services(9.99)$9.99
- Software services(29.99)$29.99
- Software services(31.99)$31.99
- MAZDA$35.99
- BENZ$35.99
- GM$35.99
- HONDA$35.99
- HYUNDAI$35.99
- NISSAN$35.99
- TOYOTA$35.99
- USAFORD$35.99
- VM$35.99
- VOLVO$35.99
- CHRYSLER$35.99









