ThinkDiag+
UtilitiesScreenshots
Analysis by LookedApp · Published · Updated
ThinkDiag+ functions as a vehicle diagnostic tool, designed to connect with various Thinkcar hardware devices via Bluetooth. It is intended for repair technicians, small and medium-sized repair shops, and do-it-yourself enthusiasts who require comprehensive diagnostic capabilities for a wide range of vehicle brands.
What is ThinkDiag+?
ThinkDiag+ is a mobile application that serves as a control interface for several Thinkcar vehicle diagnostic devices, including ThinkDiag, ThinkDiag 2, ThinkDiag Mini, ThinkDirver, and Thinkcar Pro. It enables users to perform automotive diagnostic functions by connecting a compatible hardware device to a smartphone via Bluetooth. The application itself hosts a diagnostic software store where users can acquire vehicle-specific diagnostic software through subscription.
The application is published by THINKCAR INC on the App Store and by THINKCAR TECH CO., LTD, on Google Play. It is available on both major mobile platforms, offering diagnostic capabilities that are described as achieving original manufacturer level performance.
First released on the App Store on 2020-01-04 and on Google Play on 2020-04-24, ThinkDiag+ has been regularly updated, with the latest Google Play version 3.2.8 updated on 2026-01-28 and the App Store version 3.3.2 updated on 2026-09-08.
Latest on ThinkDiag+
Is this the real ThinkDiag+ app?
- Verified publisher infoSame developer on Google Play and the App Store (THINKCAR TECH CO., LTD,), and the developer website mythinkcar.com matches the publisher.
- Established since 2020Listed since Jan 4, 2020, 1,000,000+ installs on Google Play.
| Developer on Google Play | THINKCAR TECH CO., LTD, |
|---|---|
| Developer on the App Store | THINKCAR INC |
| Same developer on both stores | Yes |
| Android package name | com.us.thinkdiag.plus |
| iOS bundle ID | com.us.ThinkDiag |
| On the stores since | Jan 4, 2020 |
| Installs on Google Play | 1,000,000+ |
| Developer website | mythinkcar.com |
| Content rating | Google Play: Everyone / App Store: 17+ |
These details come from the public store listings. LookedApp doesn't host downloads: install from the Google Play or App Store buttons on this page.
Key features
- It offers professional OE level functions, including reading and clearing codes, data flow diagrams, reading ECU, drive tests, and bidirectional special functions.
- The application supports full-function OBD II diagnosis, allowing users to read data flow, freeze frame data, read IM/real-time data, and monitor on-board computer systems.
- Users can access 15 special maintenance reset functions for various vehicle systems.
- The app covers diagnostic services for more than 100 vehicle brands, with a selection of up to 39 major automobile manufacturers available.
- It features automatic VIN reading and one-key diagnosis for streamlined operation.
- ThinkDiag+ provides clear interpretations of fault codes and generates professional diagnostic reports.
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Privacy and permissions
On Google Play, ThinkDiag+ requests access to several permission groups: Device & app history, Identity, Location, Phone, Photos/Media/Files, Storage, Camera, Microphone, Wi-Fi connection information, and Device ID & call information. These permissions are utilized for the app's operation, potentially including accessing device information, managing files, and utilizing communication features.
The App Store listing does not explicitly detail specific permission groups requested by the application. Users are advised to review the app's privacy details directly on the App Store page for comprehensive information regarding data collection and usage practices, as well as the developer's privacy policy linked through the app store listings.
THINKCAR INC publishes its privacy policy at api.mythinkcar.com.
ThinkDiag+ permissions in plain English
The Google Play listing shows 10 permission groups. Google Play also lists 19 other permissions, such as “mock location sources for testing”. That is more than most tools & utilities apps LookedApp reviews (typical: 5).
- CameraCan take photos and record video
- Device & app historyCan see recent apps and activity
- Device ID & call informationCan read your device ID and call status
- IdentityCan find accounts on the device
- LocationCan use your precise location
- MicrophoneCan record audio
- PhoneCan read phone status or make calls
- Photos/Media/FilesCan read and change your photos, media and files
- StorageCan read and change files in shared storage
- Wi-Fi connection informationCan see Wi-Fi connection details
Permission names come from Google Play; the plain-English lines describe what each permission group allows, not how this app uses it.
ThinkDiag+ at a glance
| Developer | THINKCAR INC |
|---|---|
| Category | Utilities |
| Rating on App Store | 4.5 out of 5 (4.4K ratings) |
| Rating on Google Play | 4.3 out of 5 (11K ratings) |
| Price | Free |
| Age rating | 17+ |
What changed in the latest ThinkDiag+ version
App Store · Version 3.3.2, released Sep 8, 2026
The release notes are general and don't list specific changes:
“1. Updated some diagnostic software (SGM、TOYOTA、USAFORD、MAZDA、KIA、SUBARU). 2. Fixed known bugs.”
Google Play · Listing updated Sep 19, 2026
The release notes are general and don't list specific changes:
“Fix known bugs and optimize product interactive experience.”
Quoted from the store listings' release notes.
Pricing
ThinkDiag+ is available for $0 on Google Play and is listed as "Free" on the App Store. The core application can be downloaded without an upfront cost.
However, the application operates on a subscription model for its diagnostic software. Users can purchase specific diagnostic software according to their needs through a diagnostic software store located within the app. This means that while the app itself is initially free to acquire, access to its full diagnostic capabilities for specific vehicle brands requires additional purchases via subscription.
ThinkDiag+ compared with similar apps
| App | Rating | Installs | Price |
|---|---|---|---|
 ThinkDiag+ | 4.3 | – | Free |
 foodpanda | 4.0 | – | Free |
 ezCater | 4.9 | – | Free |
 Habit Burger & Grill | 4.8 | – | Free |
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How to get ThinkDiag+ safely
To ensure a safe installation of ThinkDiag+, users should only obtain the application from reputable sources such as the Google Play Store or the Apple App Store. It is crucial to verify that the application is published by the correct developer, THINKCAR TECH CO., LTD, for Google Play, or THINKCAR INC for the App Store. This helps to prevent downloading counterfeit or modified versions.
Users are advised to avoid third-party application marketplaces, APK mirrors, or unofficial websites, as these sources may distribute altered versions of the app that could compromise device security or functionality. Before installing, reviewing the permissions requested by the app on Google Play can provide insight into the data it might access on the device. For both platforms, checking the developer's website, mythinkcar.com, can offer additional information and support.
How to install ThinkDiag+
On Android (Google Play)
- Open the Google Play Store app on your Android phone or tablet.
- Search for ThinkDiag+, or use the Google Play button on this page to open the listing directly.
- Check that the developer under the app name is THINKCAR TECH CO., LTD,.
- Check that your device meets the listing's requirement: Android 5.0 and up.
- Tap Install (or the price, for a paid app) and wait for the download to finish, then open the app from your home screen.
On iPhone and iPad (App Store)
- Open the App Store on your iPhone or iPad.
- Search for ThinkDiag+, or use the App Store button on this page to open the listing directly.
- Check that the developer under the app name is THINKCAR INC.
- Make sure your device has iOS 12.0 or later and about 539 MB of free space, as the listing states.
- Tap Get (or the price), confirm the download, then open the app from your home screen.
ThinkDiag+ version and app details
| Google Play | App Store | |
|---|---|---|
| Latest version | – | 3.3.2 |
| Last updated | Sep 19, 2026 | Sep 8, 2026 |
| First released | Apr 24, 2020 | Jan 4, 2020 |
| Package name | com.us.thinkdiag.plus | – |
| Bundle ID | – | com.us.ThinkDiag |
| Requires | Android 5.0 and up | iOS 12.0 or later |
| Download size | – | 539 MB |
| Content rating | Everyone | 17+ (Unrestricted Web Access) |
| In-app purchases | No | – |
| Contains ads | No | – |
| Languages | – | 22 (including English) |
| Developer | THINKCAR TECH CO., LTD, | THINKCAR INC |
Who ThinkDiag+ is for
ThinkDiag+ is specifically designed for a professional and enthusiast audience involved in vehicle maintenance and repair. This includes professional repair technicians who require advanced diagnostic capabilities to service a wide array of vehicles. Small and medium-sized repair shops can also benefit from its comprehensive features, which are comparable to more expensive diagnostic equipment.
Additionally, the application caters to do-it-yourself (DIY) automotive enthusiasts who wish to perform their own vehicle diagnostics and maintenance. Its ability to support over 100 vehicle brands and offer 15 special maintenance reset functions makes it a versatile tool for individuals looking to understand and troubleshoot their vehicles at an original manufacturer diagnostic level.
ThinkDiag+ for kids and families
Pros
- Offers professional OE level diagnostic functions.
- Supports a broad range of over 100 vehicle brands and 39 major automobile manufacturers.
- Includes 15 special maintenance reset functions.
- Provides clear fault code interpretations and professional diagnostic reports.
- Features automatic VIN reading and one-key diagnosis for user convenience.
Cons
- Requires a separate Thinkcar hardware device to function.
- Diagnostic software for specific vehicle brands is subscription-based, incurring additional costs.
- The Google Play version requests extensive device permissions.
- App Store content rating is 17+, indicating mature content or functionality not suitable for younger users.
ThinkDiag+: frequently asked questions
What is ThinkDiag+?
ThinkDiag+ is a mobile application that acts as a control system for Thinkcar vehicle diagnostic devices, allowing users to perform automotive diagnostics on various vehicle brands via a Bluetooth connection to a compatible hardware tool.
Who develops ThinkDiag+?
THINKCAR INC develops ThinkDiag+ for the App Store, and THINKCAR TECH CO., LTD, develops it for Google Play.
Is ThinkDiag+ free to use?
The ThinkDiag+ application itself is available for $0 on Google Play and is listed as "Free" on the App Store. However, access to specific vehicle diagnostic software within the app requires a subscription.
On which platforms is ThinkDiag+ available?
ThinkDiag+ is available on both Google Play for Android devices and the App Store for iOS devices.
What kind of features does ThinkDiag+ offer?
It offers professional OE level functions, full-function OBD II diagnosis, support for over 100 vehicle brands, 15 special maintenance reset functions, and the ability to generate professional diagnostic reports.
What content rating does ThinkDiag+ have?
On Google Play, ThinkDiag+ has a content rating of "Everyone". On the App Store, it has a content rating of "17+".
ThinkDiag+
- Category
- Utilities
- Version
- 3.3.2
Download
Looking for the ThinkDiag+ website or sign-in? Go to mythinkcar.com →The developer's website, as given on the store listing.
ThinkDiag+ ratings breakdown
Google Play 4.3 average from 10,784 ratings
- 574%
- 47%
- 33%
- 24%
- 112%
App Store 4.5 average from 4,382 ratings
- 582%
- 46%
- 33%
- 22%
- 17%
Share of ratings for each star level, as shown on the listings, as of Oct 10, 2026.
