Builds on Android have been (mostly) reproducible since 2016: https://signal.org/blog/reproducible-android/ https://signal.org/blog/reproducible-android/ Looks

Builds on Android have been (mostly) reproducible since 2016: https://signal.org/blog/reproducible-android/ https://signal.org/blog/reproducible-android/ Looks like the situation is more complicated and still unresolved for iOS: https://github.com/signalapp/Signal-iOS/issues/641 https://github.com/signalapp/Signal-iOS/issues/641