Mobile app · Development

ELM327 Emulator

OBD-II ELM327 adapter emulator for testing diagnostic apps.

Completely free
Android
Open source

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by F-Droid
License: GPL-3.0 — Open source (copyleft)confirmed by F-Droid
Open source: Yes
Commercial use: Yesconfirmed by F-Droid
Account required: not documented
Credit card required: Noconfirmed by F-Droid
Watermark: Not applicable
Ads: No
Platforms: AndroidEstablished by Android: F-Droid
Publisher: autodiag2
Latest version: 31 (6 November 2026)
Latest activity: 6 November 2026
Source code: github.com/autodiag2/ELM327SimAndroid

Overview

ELM327 Emulator is a console and retro computer emulator, available on Android.

Services and protocols mentioned: Bluetooth.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“OBD-II ELM327 adapter emulator for testing diagnostic apps” — F-Droid, 10 November 2026

At a glance

All of ELM327 Emulator is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
No advertising
Commercial use allowed

Sources and checks

Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) — 6 November 2026
Last technical check: 6 November 2026
Description from F-Droid — F-Droid (citation courte)

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