Since the app manages private keys and keystores, a modded version could be designed to steal your private signing keys .

The legitimate app is a utility developed by Hai Bison (com.haibison.apksigner) that allows users to sign APK files directly on Android devices.

Modded files from third-party sites frequently contain hidden malware or spyware .

The latest official version is 7.3.11 (as of April 2026).

If you need to sign APKs without paying for the Pro mobile app, consider these free, secure alternatives: apksigner | Android Studio