# Auto Diag-PRO diagnosis > Automotive fault diagnostic tool for reading and clearing DTCs and data streams. (iPhone/iPad app by Launch Tech Co., Ltd.) - Source: https://appshunter.io/ios/app/auto-diag-pro-diagnosis/id1002243564 (this page in markdown: same URL + `.md`) - Developer: [Launch Tech Co., Ltd](https://appshunter.io/developer/447568418) - Category: Utilities, Travel - Price: Free - Rating: 1.80/5 from 35 App Store ratings · 43 written reviews indexed - Age rating: 4+ - Requires: iOS 9.0 · 273 MB - Languages: American English, Dutch, French (France), German (Germany), Italian, Japanese, Korean, Polish, European Portuguese, Romanian and 4 more - Released: 2018-06-20 - Data updated: 2026-06-30 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/auto-diag-pro-diagnosis/id1002243564/reviews.md ## What is Auto Diag? Vehicle diagnostic application is a kind of vehicle fault diagnostic tool software for the automotive maintenance market. By using special connector to communicate with the vehicle,and the client side interacting with the connector through Bluetooth,it could achieve fault diagnosis for all vehicles, functions include reading and clearing DTC (diagnostic trouble code), reading data stream, etc. Different functions are equipped for different product configurations, such as actuation test and many special functions. ## Key features - Vehicle fault diagnosis - Read and clear DTCs - Read data stream - Bluetooth communication - Actuation test - Special functions ## Recent user reviews (10 of 43) All indexed reviews: https://appshunter.io/ios/app/auto-diag-pro-diagnosis/id1002243564/reviews.md ### 1/5 — Cant signup *2025-11-11, version 1.5.1* The code doesnt show when you want to signup ### 5/5 — Falla en la actualización de la nueva app *2025-01-27, version 1.5.1* Después de que apareciera la actualización de la app (nueva versión ) no funciona el scaner ya que no da la opción la nueva app solo se actualiza el firmware supuestamente para que funcione la app pero nadamas no funciona ### 1/5 — Can’t even create an account *2024-10-24, version 1.5.1* Bought the Recovery Land Rover dongle which prompted me to download this software. I can’t even create an account because the box with the unique code is an empty grey box. ### 1/5 — UN-USABLE *2024-10-16, version 1.5.1* WILL NOT DOWNLOAD THIS APP TO UPDATE SOFTWARE, even after the app opens this page when I try to open the app. ### 1/5 — App doesn’t work *2024-08-26, version 1.5.1* App doesn’t work and the is no support ### 1/5 — Used to work *2024-06-15, version 1.5.1* Not able to download GM software for some reason. Now it’s just a paperweight. ### 1/5 — Is Palisade not on the list among Hyundai vehicles? *2024-05-24, version 1.5.1* Is Palisade not on the list among Hyundai vehicles? ### 1/5 — Failure *2024-02-17, version 1.5.1* Downloaded digital content 25 dlls and app doesn’t read the digital content SCAM ### 1/5 — Scam. *2024-01-25, version 1.5.1* I spent money, but the application does not work, 3 brands of cars have been downloaded, Ford/Chevy/Mercedes and nothing is displayed on the main screen, only DEMO. You are scammers! They took the money, but nothing works!! ### 1/5 — Not working *2024-01-08, version 1.5.1* Not working please fix it ## Frequently asked questions about Auto Diag ### What does Auto Diag-PRO do? Auto Diag-PRO is a vehicle diagnostic tool software designed for the automotive maintenance market. It connects to your vehicle using a special connector and Bluetooth to perform fault diagnosis, including reading and clearing diagnostic trouble codes (DTCs) and reading data streams. ### What are the key features of this app? Key features include the ability to read and clear DTCs, read data streams, and communicate with the vehicle via Bluetooth. Depending on the product configuration, it may also offer actuation tests and other special functions for more advanced diagnostics. ### How much does Auto Diag-PRO cost? Based on the provided information, the application is a paid product. There are no mentions of in-app purchases or advertisements, indicating a one-time purchase model. ### What vehicles is Auto Diag-PRO compatible with? The application is designed for fault diagnosis for all vehicles. It achieves this by using a special connector to communicate with the vehicle's systems. ### Who would benefit from using Auto Diag-PRO? This application is intended for the automotive maintenance market. This includes professional mechanics, auto repair shops, and car enthusiasts who want to diagnose and understand vehicle faults themselves. ## Version history (last 5 releases) ### 1.5.1 — 2020-09-08 Fixed some bugs ### 1.4.9 — 2020-07-27 fixed some bugs ### 1.4.8 — 2020-04-22 Adapt to dark mode ### 1.4.6 — 2020-04-16 fixed some bugs ### 1.4.3 — 2020-01-21 -. 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User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-30.*