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Keep: FROST Nostr Signer icon

Keep: FROST Nostr Signer 1.2.0 APK download

Old versions may contain security vulnerabilities. Prefer the latest version when possible.

Version
1.2.0
Released
Aug 3, 2026
Minimum Android
Android 13
Target Android
Android 16
Package
io.privkey.keep

Download

Download x86 64-bit Emulators, Chromebooks, PCs 26.9 MB
SHA-256: d36c6e87a89d27574becc1172b30400528e16c85d148181f1fcaf6c2727c9d2b
Download 64-bit ARM Most phones from 2017 on 24.7 MB
SHA-256: 57ca188ae12ea5b7da0d4d9ed9c53b1e17baa3ab61d76ff19e0596294a3d1837

This build will not install over a Google Play version of the same app. Uninstall the existing app first (back up your data).

Screenshots

Keep: FROST Nostr Signer 1.2.0 screenshot 1 Keep: FROST Nostr Signer 1.2.0 screenshot 2 Keep: FROST Nostr Signer 1.2.0 screenshot 3 Keep: FROST Nostr Signer 1.2.0 screenshot 4 Keep: FROST Nostr Signer 1.2.0 screenshot 5 Keep: FROST Nostr Signer 1.2.0 screenshot 6

What's new

The co-signing prompt now shows which request is asking to sign, and marks that label as unverified when nothing has proven it. Random number generation that cannot reach a trusted source now stops the operation instead of continuing with a weaker one. A legacy key share is erased only after a copy is confirmed stored. Stored values are bound to the key they were saved under, so they cannot be read back under a different key.

Permissions

No permission changes compared to the previous version.

All permissions (11)
  • android.permission.ACCESS_NETWORK_STATE
  • android.permission.CAMERA
  • android.permission.FOREGROUND_SERVICE
  • android.permission.FOREGROUND_SERVICE_SPECIAL_USE
  • android.permission.INTERNET
  • android.permission.POST_NOTIFICATIONS
  • android.permission.RECEIVE_BOOT_COMPLETED
  • android.permission.USE_BIOMETRIC
  • android.permission.USE_FINGERPRINT
  • android.permission.USE_FULL_SCREEN_INTENT
  • io.privkey.keep.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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