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ELM327 Emulator icon

ELM327 Emulator

OBD-II ELM327 adapter emulator for testing diagnostic apps

Developer
autodiag2
License
GPL-3.0-only
Package
com.github.autodiag2.elm327emu
Category
Development
Latest version
31 · Nov 6, 2026
Minimum Android
Android 5.1

Download 31

Screenshots

ELM327 Emulator screenshot 1 ELM327 Emulator screenshot 2 ELM327 Emulator screenshot 3 ELM327 Emulator screenshot 4 ELM327 Emulator screenshot 5

Description

Simulates an ELM327 OBD-II interface over Bluetooth/BLE/network.
Useful for development and testing without a real vehicle.
Support many protocols CAN, KWP2000, ... any supported by ELM327.
Support OBD-II messages.
Track what have been sent by the scantool using the log.

All versions

VersionReleasedMinimum AndroidSize
31 Nov 6, 2026 Android 5.1 114.9 MB
30 Oct 15, 2026 Android 5.1 109.5 MB
29 Aug 4, 2026 Android 5.1 9 MB
28 Jul 31, 2026 Android 9 310.8 MB
27 Jul 28, 2026 Android 9 311.2 MB
26 May 27, 2026 Android 9 310.7 MB
25 May 11, 2026 Android 9 18.2 MB
24 May 4, 2026 Android 9 18.1 MB
22 May 2, 2026 Android 9 18 MB
21 Apr 29, 2026 Android 9 17.6 MB
19 Apr 22, 2026 Android 9 17.6 MB
18 Mar 18, 2026 Android 9 12.2 MB

How to install an older version of an Android app · How to install an APK file on Android

From the developer (GitHub)

APK files published by the developer on GitHub. They are signed by the developer and may not install over the other builds on this page (different signature). Links open github.com.

v31 · Nov 2, 2026
com.github.autodiag2.elm327emu-full.apk 114.9 MB com.github.autodiag2.elm327emu-lite.apk 10.5 MB com.github.autodiag2.elm327emu.apk 10.5 MB
v30 · Sep 27, 2026
com.github.autodiag2.elm327emu-full.apk 109.5 MB com.github.autodiag2.elm327emu-lite.apk 10.4 MB
v29 · Aug 1, 2026
com.github.autodiag2.elm327emu-full.apk 108.1 MB com.github.autodiag2.elm327emu.apk 9 MB

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