AppVerifier BG
AppVerifier BG is a free, open-source developer tool for Android. Verify installed apps against shared signature hashes and databases. It has 112 GitHub stars and is released under the ISC license, and you can install it from F-Droid.
- Android
- Kotlin
- Developer & terminal tools
- Actively maintained
About AppVerifier BG
AppVerifier BG verifies that installed Android apps match their expected signing certificate fingerprints. Compare an app's signing hash against shared text, an internal database synced from Privacy Guides, or your own user database. Hashes are checked for valid SHA-256 format — when verification fails, they're labeled "Expected" vs "Found" so you can tell which is which. Apps signed with debug certificates are flagged as insecure. Split APK bundles (.apks, .apkm, .xapk) and ZIP files containing a base APK are also accepted. App List Every installed user app shows status icons for internal database matches, user database entries, clipboard verification, and shared text matches at a glance.
Privacy and F-Droid
F-Droid builds AppVerifier BG from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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What is AppVerifier BG?
AppVerifier BG is a free, open-source developer tool for Android. Verify installed apps against shared signature hashes and databases. It has 112 GitHub stars and is released under the ISC license, and you can install it from F-Droid.
Is AppVerifier BG free and open source?
Yes. AppVerifier BG's source code is public on GitHub under the ISC license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install AppVerifier BG?
You can install AppVerifier BG from F-Droid (package com.roundsalmon4.appverifier); the links are on this page. Its GitHub repository also publishes releases (latest: v0.7.2).
Is AppVerifier BG still maintained?
The repository's most recent commit was on Oct 7, 2026. Its F-Droid listing was last updated on Sep 7, 2026. appsgit only lists apps whose repository had a commit in the last six months.