Home/Applications/Auto And Vehicles/Piston – OBD2 Car Scanner
Piston – OBD2 Car Scanner

Piston – OBD2 Car Scanner

Android Auto And Vehicles Stinez Pty Ltd
4.2 Popularity

Addictive OBD2 car scanner for your phone

System Requirements

Updated
October 11, 2025
Age Rating
Everyone
Android
Android 6.0++
Package Name
com.clockworkbits.piston

I've tested a bunch of OBD2 apps and Piston is one of the better ones. The interface is pretty clean and intuitive, and it's got a solid set of features for diagnostics and troubleshooting. And not the cheapest option out there, but the paid version unlocks some useful extras. In my experience, the adapter can be a bit finicky to set up, but once you get it working, it's a pretty reliable tool. Overall, a good option if you need an OBD2 scanner on your phone.

Manya Lyalya
AUTHOR: Manya Lyalya Editor, Grand Screen

Pros

  • Tons of useful diagnostic features like trouble codes and freeze frame data
  • Clean, intuitive interface that's easy to navigate
  • Paid version unlocks some extra capabilities
  • Works well with most Bluetooth and WiFi OBD2 adapters
  • Free version is a good starting point before upgrading

Cons

  • The OBD2 adapter can be a pain to set up at first
  • Paid version is a bit pricey compared to some competitors
  • Gets repetitive if you're not actively working on your car
  • Occasional connectivity issues with the adapter
GOOGLE PLAY SCORE
4.2 /5
based on 5,365 reviews
Generally Favorable
84
MY SCORE
Hover and click to give a rating
?
Rate this app

Description

Been using Piston – OBD2 Car Scanner for a couple months now. It’s basically an app that turns your phone into a car diagnostic tool. Pretty solid if you’re into that kinda thing.

Here’s what you do: you plug in this little adapter to your car’s OBD2 port, then Piston connects to it over Bluetooth or WiFi. There’s a bunch of cool features – you can read trouble codes, see freeze frame data, and even clear the check engine light. Took me a while to figure some of it out but it’s pretty user-friendly overall.

Look, if you’re into fixing up your car or just want to know what’s going on under the hood, you’ll probably like this app. It’s not perfect – the adapter can be a pain to set up sometimes – but it does the job. Worth checking out if you need an OBD2 scanner.

User Reviews

Absolom Green October 14, 2025

This is a good alternative app to use with CaRPM OBD2 reader if you don't like theires, it also supports more active PiDs at a time.

A Google user October 14, 2025

One of the few working with all BT dongles and without tons of useless options and ads. Good job.

Florin Ionescu (Einstein65) October 14, 2025

Even there are 3 permanent errors on dashboard, your app doesn't read them. Not worthy.

Rate this app

Help others by rating key aspects of this app

Usability

50%

Features

50%

Design

50%

App Permissions

This app requires 7 permissions to function properly:

Email address

Data that may be shared with other companies or organizations

User IDs

Data that may be shared with other companies or organizations

Crash logs

Data that may be shared with other companies or organizations

Diagnostics

Data that may be shared with other companies or organizations

Purchase history

Data that may be shared with other companies or organizations

App interactions

Data that may be shared with other companies or organizations

Device or other IDs

Data that may be shared with other companies or organizations

Frequently Asked Questions