Comparison

ThinkDiag+ vs Launch AIOBD

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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). 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

About

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.

Highlights
  • Full system vehicle diagnosis
  • One-click intelligent diagnosis
  • Read and clear DTCs
  • Read data streams
  • Salt spray testing
  • Supports mainstream models
Features
Read full description

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

ThinkDiag+4 screens
Launch AIOBD4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Launch AIOBD sells 19 one-off in-app purchases. ThinkDiag+ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 16, 2026.

Scorecard4 real differences · 6 level
ThinkDiag+ versus Launch AIOBD: the parameters behind the verdict, then further details
ParameterThinkDiag+Launch AIOBD
PriceFreeFree
Rating4.5 (4.3K ratings) — better2.3 (3 ratings)
Positive reviews74.1% of reviews — better0.0% of reviews
Number of ratings4.3K — better3
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size539 MB752 MB
Age rating17+17+
DeveloperTHINKCAR INCLaunch Tech Co., Ltd

Customer experience

ThinkDiag+

All ratings4,308 ratings
Positive88.1%
Neutral2.7%
Negative9.2%
Written reviews278 reviews
Positive74.1%
Neutral2.5%
Negative23.4%

Launch AIOBD

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

None

ThinkDiag+

No in-app purchases

19 purchases

Launch AIOBD

One-time19
  • FIAT$0.29
  • Software services(2.99)$2.99
  • Software services(3.99)$3.99
Show 16 more
  • 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

Questions

Is ThinkDiag+ free?
ThinkDiag+ is free to download, with no in-app purchases.
Is Launch AIOBD free?
Launch AIOBD is free to download, with in-app purchases available.
Which has better reviews, ThinkDiag+ or Launch AIOBD?
ThinkDiag+ is rated higher. ThinkDiag+ averages 4.5 out of 5 from 4.3K ratings, while Launch AIOBD averages 2.3 from 3 ratings.
Do ThinkDiag+ or Launch AIOBD have ads?
Neither ThinkDiag+ nor Launch AIOBD shows ads.
Which is updated more often, ThinkDiag+ or Launch AIOBD?
ThinkDiag+ ships an update every 3 weeks, and Launch AIOBD every 3 weeks. Most recently, ThinkDiag+ was updated on October 16, 2026 and Launch AIOBD on October 16, 2026.

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