ThinkDiag+

ThinkDiag+

by THINKCAR INC

4.3K ratings
269 reviews
Free

Details

  • Released
  • Updated
  • January 4, 2020
  • August 21, 2026

Features

ThinkDiag+ screenshot #1 for iPhone
ThinkDiag+ screenshot #2 for iPhone
ThinkDiag+ screenshot #3 for iPhone
ThinkDiag+ screenshot #4 for iPhone
ThinkDiag+ screenshot #5 for iPhone
iphone
ipad
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About

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.

โœ“OE-level diagnostic functions
โœ“Full OBD II diagnosis
โœ“Special maintenance functions
โœ“Supports 100+ vehicle brands
โœ“Automatic VIN reading
โœ“Professional diagnostic reports
โœ“In-app user community
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What users say

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What's New in ThinkDiag+

3.3.1

August 21, 2026

1. Updated some diagnostic software (Hyundai). 2. Fixed known bugs.

User reviews

Best scan tool for phone use

Does more then most tools that cost 5 grand or more. Very good device and price!!

Fantastic value for the money

The BD6 is exactly what we needed in our garage
My dad is an OG mechanic but still it was easy for him to learn how to use thinkcar to his advantage when trying to locate faults
Good job to the team that made this - keep on the good work

๐Ÿš—

EZ App to use, user friendly recommend it.

Thereโ€™s a subscription of $49 of $79 every year.

Another subscription garbage. Worked great until my year was up and was subscription with a subscription renewal.

Really worked good

Good tool, can program and calibrate systems with it ! Really appreciate

Developer apps

User experience

๐Ÿž

Reported Bugs

3 issues

Failure to recognize VIN or vehicle information

Bug

Inability to clear certain error codes

Bug

Inconsistent performance across different devices

Bug
โœจ

Requested Features

4 requests

Improved user interface and navigation

Feature

More detailed troubleshooting guides

Feature

Expanded vehicle coverage and special functions

Feature

Offline mode for diagnostics

Feature

FAQ

What kind of diagnostic functions does this app offer?

The app provides OE-level diagnostic functions, including reading and clearing fault codes, analyzing data flow, reading ECU information, performing drive tests, and executing bidirectional special functions. It also supports full-function OBD II diagnosis and vehicle maintenance light resets.

How many car brands does the app support?

The app supports diagnostic services for over 100 major automobile manufacturers. Users can subscribe to diagnostic software for specific vehicle brands based on their needs.

What is the cost of using this app?

The app itself is free to download and use for basic functions. However, users can subscribe to diagnostic software for specific vehicle brands and functions within the app's diagnostic software store, which incurs a cost.

What devices are compatible with this app?

This app is compatible with ThinkDiag, ThinkDiag 2, ThinkDiag Mini, ThinkDriver, and Thinkcar Pro devices. It connects to your smartphone via Bluetooth to control the diagnostic hardware.

Who would benefit most from using this app?

This app is ideal for professional repair technicians, small and medium-sized repair shops, and DIY car owners who need advanced vehicle diagnostic capabilities. It offers performance comparable to expensive professional diagnostic equipment.