ScanMaster for ELM327 OBD-2

ScanMaster Lite is an application for vehicle diagnostics to OBD-2 standards.

Palmer Performance Engineering · de.wgsoft.scanmaster

5.0 out of 5 (3 ratings) 5M+ downloads v5.14 12.1 MB Android 6.0+ PEGI 3 · Everyone

Download APK 12.1 MB All versions

Signature matches the Google Play version Details

ScanMaster for ELM327 OBD-2 screenshot 1

ScanMaster for ELM327 OBD-2 screenshot 2

ScanMaster for ELM327 OBD-2 screenshot 3

ScanMaster for ELM327 OBD-2 screenshot 4

ScanMaster for ELM327 OBD-2 screenshot 5

ScanMaster for ELM327 OBD-2 screenshot 6

ScanMaster for ELM327 OBD-2 screenshot 7

ScanMaster for ELM327 OBD-2 screenshot 8

At a glance

Latest version: v5.14 (514)
Updated: Aug 31, 2026 (1 month ago)
APK size: 12.1 MB
Requires: Android 6.0+ (API 23)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Communication (app)
Permissions: 12 (3 sensitive)
Website: wgsoft.de
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

ScanMaster for ELM327 OBD-2 is an app by Palmer Performance Engineering in the Communication category. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 4.5, the APK grew from 8.2 MB to 12.1 MB and the minimum Android version rose from 4.0.3 to 6.0. It asks for 12 permissions, 3 of them sensitive: read shared storage, Bluetooth connect and Bluetooth scan. Compared with version 5.13, it drops 3 permissions: “Run foreground services”, “Run at startup” and “Reorder tasks”. The app offers in-app purchases through Google Play.

What's new in v5.14

Lots of optimizations and improvements

Description

From the listing uploaded by “appupdater”.

ScanMaster Lite is an application for vehicle diagnostics to OBD-2/EOBD standards. It "transforms" your Android smartphone or tablet together with an ELM327 diagnostic interface to a vehicle diagnostic device. Many important OBD-2 functions are despite "Lite" available without restriction. Only the number of parameters and error codes are limited compared to the Pro version. The paid Pro version with even more features can be purchased via In-App Billing function. The following ELM327 and compatible OBD2 interfaces are supported: UniCarScan UCSI-2000/2100 APOS BT OBD 327 OBDLink MX/MX+ OBDLink LX OBDLink Bluetooth and WiFI ELM327 Bluetooth and WiFi Pearl Lescars Bluetooth and WiFi The interfaces can be purchased on our websites https://www.wgsoft.de/shop/ or https://www.obd-2.de/shop/ if required. Everything completely in German and English. In the graphical representation of data, there are "pause" function. In this mode, the recorded data can be scrolled and zoomed by gesture. We would greatly appreciate the feedback on the app. Please send us an email about your experiences, opinions or suggestions.

Version history

6 versions are listed, going back to v4.5. Since v5.12 it requires Android 6.0+.

v5.14 LATEST Aug 31, 2026 12.1 MB TRUSTED v5.13 Aug 6, 2026 11.1 MB TRUSTED v5.12 Feb 17, 2026 11.1 MB TRUSTED v5.8 Dec 15, 2025 8 MB TRUSTED v5.3 Jan 14, 2026 5.8 MB TRUSTED

All 6 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 31, 2026.
Certificate issued to “WGSoft.de” This is the certificate of the Google Play version.
Same certificate as the 5 other versions checked

Store checks and file details

Developer signature not checked yet Aug 31, 2026
Validated against Google Play Aug 31, 2026
Signed byCN=Wladimir Gurskij, O=WGSoft.de, L=Bünde, C=DE
Signing certificate (SHA-1)23:17:05:9E:9C:AE:77:1E:30:77:47:89:46:D5:1A:23:72:AB:92:05
File MD54bf24e19f713979039748359d2e16409
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (5 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (12)

ScanMaster for ELM327 OBD-2 requests 12 permissions, 3 of them sensitive.

Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Bluetooth android.permission.BLUETOOTH
Change network state android.permission.CHANGE_NETWORK_STATE
Change wifi state android.permission.CHANGE_WIFI_STATE
Full network access android.permission.INTERNET
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) de.wgsoft.scanmaster.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Bluetooth android.hardware.bluetooth
Basic touch input android.hardware.faketouch
Location android.hardware.location
Wi-Fi android.hardware.wifi

ScanMaster for ELM327 OBD-2 APK: questions and answers

Is there a version of ScanMaster for ELM327 OBD-2 for older Android phones?

The current version needs Android 6.0 or later. Version 5.8 is the newest listed build that installs on Android 5.0 and later. Get version 5.8 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is ScanMaster for ELM327 OBD-2 free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the ScanMaster for ELM327 OBD-2 APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 5 other versions checked. After downloading, check that the file's MD5 is 4bf24e19f713979039748359d2e16409.