TopScan icon

TopScan v6.10.004

• In-app purchases

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About this app

Developer Description

OBDII Diagnostic Scan Tool & Code Reader(Cannot support 32-bit cell phones)

Connect the Topscan to your Phone via Bluetooth and turn your devices into a smart and powerful diagnostic tool! The Bluetooth OBDII scan tool is loaded with essential features such as full OBDII functionality, full system diagnosis, Bi-Directional controls, AutoVIN, automatic diagnostic reports, and more. Eight maintenance service functions and coverage for 40+ vehicle brands make the Topscan a versatile and portable auto scanner for technicians.

Key Features:
1. Full System Diagnosis: Engine, Transmission, Airbag, ABS, ESP, TPMS, Immobilizer, Gateway, Steering, Radio, Air Conditioning and more.
2. All-system diagnostic basic functions: access ECU info, read fault codes, clear fault codes, read data stream.
3. 8 special functions: Oil Reset, Throttle Adaptation, EPB Reset, BMS Reset, and more.
4. Bi-directional control to target problems easily.
4. AutoVIN for automatic vehicle identification and quick diagnosis.
5. Wireless Connection, Bluetooth 5.0 with a range of 33 feet/10m. Works on Android 7.0/iOS 10.0 or above, compact and portable.
6. Repair Data Library: DTC Repair Guide, Technical Service Bulletin, DLC Location, Warning Light Library.
7. Graph, value and dashboard-like data display for easy interpretation. 
8. Generate Diagnostic reports for System, Fault Codes, or Data Streams.
9. Feedback function enables users to submit issues and requests to us in a convenient way.

What's New

1. Added the TopFix Fault Code Repair Guide feature.
2. Added Remember Password function to the AutoAuth gateway.
3. Added Search function to TSB.
4. Optimized the Replay Data function.

In-app purchases

$0.99 - $179.99 per item

Version Information

Version
6.10.004
Downloads
100K+
Updated on
Nov 20, 2025
Released
Nov 15, 2022
Requires
Android 7.0

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TopScan - Google Play Rankings

No ranking data available yet. Rankings are updated daily.

#72 in Top Grossing Tools in United States

#32 in Top Grossing Tools in France

#34 in Top Grossing Tools in Spain

#55 in Top Grossing Tools in United Kingdom

TopScan users say on Google Play

★★★★★
Bernie Gilles Bernie Gilles

Updated 5-28-2025, issues appear to be resolved, the app and OBDII device are working very well now. Original Review: I got a warning this app is malware.

11 May 28, 2025
★★★★
rolaco rolaco rolaco rolaco

A good app with outstanding features.

4 Nov 23, 2025
★★★
James Salters James Salters

price is a bit much. not everything needs to be a long term subscription service for over $100. this was a great product that has been ruined by a paywall some things are kinda hidden but a couple minutes of poking around and you should find everything just fine. Tons of options. Gives you the code and what the code is then it gives you links of how to fix the problem. I'm truly impressed. *home mechanic*

7 Sep 21, 2025
★★
Robert T Robert T

Annual Subscription fee. App has the features you want but the user interface was confusing. App forced me to log out, can't save a set of favorite live data streams - have to go select from 200+ each time. In Live data stream playback you have no controls (forward, reverse, jump ahead), you must play back the entire file just to get where you want. Could not find live data monitoring function for my Toyota or Honda; maybe it was buried in the menus.

8 Jun 12, 2025
GetReadyGo GetReadyGo

They want you to continue to pay for something over and over. They say that it's for continuously updating and R&D. My truck is not updating and improving in R&D! A free year of use and then it's subscription hell for the rest of your life. I can see them wanting you to pay for an upgrade or data packs after the 3rd car but it's current setup is a waste of money. What about a right to repair your own vehicle? This subscription is a step towards having to pay for that right.

13 Aug 5, 2025

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