Piston (OBD2 & ELM327) icon

Piston (OBD2 & ELM327) APK

The OBD II diagnostic application.

2.1.3 for Android
4.2 | 3894 Reviews
  • Piston (OBD2 & ELM327) screenshot 0
  • Piston (OBD2 & ELM327) screenshot 1
  • Piston (OBD2 & ELM327) screenshot 2
  • Piston (OBD2 & ELM327) screenshot 3
  • Piston (OBD2 & ELM327) screenshot 4

The explanation of Piston (OBD2 & ELM327)

Piston is the OBD II diagnostic application designed with the simplicity in mind.
The application is capable of:
- reading the live data
- showing the fault codes and clearing them
- displaying the logged freeze frame data

The application requires the OBD II Bluetooth or WiFi dongle (ELM327 based) to communicate with a car.

All the popular OBD II protocols are supported:
- J1850 VPW and PWM
- ISO 9141-2
- KWP 2000
- CAN (11 and 29 bits - both 250 and 500 kBit/s)

If you have any request, comment or suggestion, please don't hesitate to contact me.

Piston (OBD2 & ELM327) App 2.1.3 Version Update

Dec 19, 2019
* Bugfixes

Additional App Info

Operating System: Android
Category: Auto & Vehicles
Publish Date: Jun 26, 2014
Latest Version: 2.1.3
Min Installs: 500000
Installs: 500,000+
Size: 2.8M
Requirements: Android 4.0 and up
Offers In-App Purchases: false
Contains Ads: false
Price: Free
Report: Flag as inappropriate
App uploaded by: Individual
Available on: Google Play Store

Rating And Reviews

Don Anderson 5
May 23, 2019 US

OBD2 app for bluetooth and wifi devices, simple interface - works!

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Raymond Wong 5
May 01, 2017 US

Unlike other obd reader apps (torque), no issues to connect to Vgate ELM by bluetooth and require min. authorization to phone. It works and simple to use. GREAT APP!!

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Derek Mayo 5
Jan 27, 2018 US

Thank you so much for this software! It works even better than most paid apps. You rock!

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Bobby Shaftoe 5
Jul 22, 2017 US

IT WORKS. 2004 USA spec Mazda RX-8 with a BAFXPRO obd adapter. After 2 hours of trying ~10 of the most popular (Freemium and paid) CAN bus reading apps.. and their subsequent complete and utter failure to co...

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Barry Quaye 5
Mar 28, 2017 US

Works the cheap ELM327 adaptors off eBay

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Josh Shabtai 5
May 18, 2017 US

Really easy to use, and does everything I need

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Kevin Bean 5
Apr 08, 2018 US

Amazingly simple design. Along with simplicity, it also has the most live data options I have seen out of a free OBDII app yet!

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Alan H. Asgari 5
Oct 12, 2017 US

Top notch app. Like it a great deal more than Torque...

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Dean Sutton 5
Oct 27, 2017 US

After trying a few, I found this one. It works great with my cheap wi-fi obdII reader.

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jason edmonson 5
Sep 26, 2017 US

Wow!!! I have gone through downloading and experimenting with 25 different apps. All of them free. Piston app blew me away. Gives you more than 4 other apps combined. I've been a Tech for 24 years. This app...

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Nuriddin Nuriyev 5
Feb 15, 2018 US

This app is amazing, way better than any others. just wish I had oil pressure sensor

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