Comparison

ThinkDiag+ vs AP200C_Dms

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

AP200C_Dms

Features
Read full description

Diagnostic software package for BENZ and domestic vehicles, which requires to work with the main program MaxiAP200 together.The software is aimed at specialty stores (oil stores, tire stores, battery stores, etc.).

Screenshots

ThinkDiag+4 screens
AP200C_Dms4 screens

Verdict

The call

The clearest difference is update cadence: ThinkDiag+ at every 3 weeks against AP200C_Dms's every 4 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ThinkDiag+ ships an update every 3 weeks, AP200C_Dms every 4 months. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

Scorecard1 real difference · 9 level
ThinkDiag+ versus AP200C_Dms: the parameters behind the verdict, then further details
ParameterThinkDiag+AP200C_Dms
PriceFreeFree
Rating4.5 (4.4K ratings) — better—
Positive reviews74.1% of reviews—
Number of ratings4.4K — better—
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.012.0
Further details — not scored
Size539 MB337 MB
Age rating17+4+
DeveloperTHINKCAR INCAutel Intelligent Technology Co., Ltd.

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

AP200C_Dms

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ThinkDiag+

No in-app purchases

None

AP200C_Dms

No in-app purchases

Questions

Is ThinkDiag+ free?
ThinkDiag+ is free to download, with no in-app purchases.
Is AP200C_Dms free?
AP200C_Dms is free to download, with no in-app purchases.
Do ThinkDiag+ or AP200C_Dms have ads?
Neither ThinkDiag+ nor AP200C_Dms shows ads.
Which is updated more often, ThinkDiag+ or AP200C_Dms?
ThinkDiag+ ships an update every 3 weeks, and AP200C_Dms every 4 months. Most recently, ThinkDiag+ was updated on October 21, 2026 and AP200C_Dms on October 20, 2026.

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