ELM327 Emulator for Android

GPL-3.0-only

OBD-II ELM327 adapter emulator for testing diagnostic apps

Download APK (12.2 MB)
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Description Versions

Version
(18)

Update
Mar 26, 2026

Developer
autodiag2

Category
Development

License
GPL-3.0-only

Source code
Code repository

ELM327 Emulator App

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.