ELM327 Identifier

1.44K reviews
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About this app

Use this app to identify the real ELM327 version you have, because a lot of China clone adapters often declare a wrong ELM327 compatibility.

ELM327 Identifier sends almost all AT commands available and shows what are supported in accordance with the ELM327 official datasheet (up to firmware v2.2 and v2.3 experimental), so you can quickly check if the adapter declaration is correct or if it's a fake adapter.
Some AT command requires a car connection with specific protocol to work; to obtain comparable results, these commands aren't checked by the app. The number of AT commands checked are 114.

1 - power on the ELM327 adapter (by the car diagnostic interface or simply by a power supply)
2 - if not already done, pair the ELM327 adapter from the android device bluetooth settings or connect ELM327 wifi with the android device
3 - start the app and press CONNECT button, select the connection type and eventually select the paired ELM327 adapter
4 - after the correct connection, the scan automatically starts
5 - wait for the end of the scan and check the results on screen, a white bar shows you what commands (above) should be supported
6 - press RESULTS to show scanning details and optionally save results into the internal SD card.
7 - optionally press RESCAN button if you want to verify again the adapter

IMPORTANT: a fake adapter doesn't mean that it will not work with your applications.

If you are interested in translating the strings of the app in your language, send me an email and I'll give you the strings set to translate.

Thanks to translators:
french: jmranger
russian: obd24.ru
brazilian-portuguese: João Calby
czech: Algy
turkish: m.eren damar
dutch and german: Danny Gloudemans
polish: Adrian Feliks
arabic: MaiThamDobais
serbian: SkyShop Team
persian: Bobak
lithuanian: Shapras
portuguese: Daniel Nunes
romanian: eudin77
ukrainian: Oleksa
danish: Payne, Denmark
spanish: Pablo Salinas
chinese: www.car-tw.net
hungarian: rstolczi

Discussion forum: https://www.applagapp.com/forum/
Updated on
Mar 10, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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1.44K reviews
May 7, 2021
Brilliant. It connected, scanned, and confirmed the ELM327 sold to me as version 2.1 is in fact a version 1.5 device. That may not be why it can't connect to my vehicle's ECU, but it certainly helps diagnose the issues. I was going to try a version 1.5 device next as version 2.1 has been reported as buggy. No need now.
30 people found this review helpful
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A Google user
September 11, 2019
Helped me choose a new obd reader on amazon as someone posted a screenshot of this test on the amazon review. When compared to my test results my reader only went to v1.4 and the sellers went to v2.1 That explains why the app I wanted to use wouldn't work... So I have ordered the new obd. Thanks for a great app.
44 people found this review helpful
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A Google user
August 4, 2019
not fully sure if this app works or if i magically got a perfect clone. i bought a $2 "MINI" elm off ebay which from what i read is a clone of 1.0. My phone reads it as 1.5 but that doesn't really exsist. The ebay page claims 2.2 and this app says it supports all commands so either im lucky or it doesnt work.
48 people found this review helpful
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What's new

- support for Android 12
- added a visual feedback on the bar v1.1 for the AT PPS result
- bug fixing

- new option to customize WIFI parameters (IP, port)

- corrected the verification of the ATIA command
- improved the bluetooth disconnection management

- temporary revert target sdk to Android 11 to solve a permission issue, please clear app data or reinstall in case or crash on startup