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CipherNotes

Notes. Encrypted. Local. Nothing more.
Cipher is a privacy-first notes app with AES-256-GCM encryption.
All data stays on your device. Zero cloud, zero telemetry.

Features:

- Text notes & checklists
- Per-note password encryption
- Offline-only
- Open source (MIT)

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 2.3.0 (19) suggested Added on Sep 21, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • dev.cipher.notes.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 16 MiB PGP Signature | Build Log

  • Version 2.2.1 (18) - Added on Sep 16, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 8.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • use biometric hardware
      Allows the app to use biometric hardware for authentication
    • use fingerprint hardware
      Allows the app to use fingerprint hardware for authentication
    • dev.cipher.notes.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 16 MiB PGP Signature | Build Log