AI summary
Minimalist encrypted note app that keeps everything local on your device. Uses PBKDF2 and AES-256-GCM encryption with no cloud sync, accounts, or internet access. Version 2.2.0 adds home screen widgets for up to 4 favorite notes with a privacy toggle to hide unencrypted previews. Open source under MIT license.
Generated by AI. May contain inaccuracies.
About this app
Notes. Encrypted. Local. Nothing more.
Why Cipher?
- Your phone is your vault. Everything stays on device. - No accounts. No login. No tracking who you are. - Small footprint. No bloat. - Auditable. Open source. Every line of code visible. - Privacy by design. No internet permission. Zero telemetry hooks.
What it does NOT do
- Cloud sync - Account creation - Analytics - Advertisements - Internet calls (network config enforces it) - Crash reporting - Any telemetry
Privacy by design
- No INTERNET permission in AndroidManifest - Network security config blocks all outbound traffic at OS level - Passwords never stored — derived on-demand via PBKDF2 - Encryption uses: PBKDF2 (200k iterations) + AES-256-GCM - All data stays on device — Room SQLite database
License
MIT
What's new
Home Screen Widget: pin up to 4 of your favorite notes right to your home screen. - Content Privacy Toggle: choose whether to display or hide unencrypted note previews on the widget via Settings.
About this version
- Version
- 2.2.0 (17)
- Size
- 16.22 MB
- Requires Android
- 8.0
- Target SDK
- 26
- Architecture
- x86, x86_64, arm64-v8a, armeabi-v7a
- Downloads
- 10
- Updated
- Sep 7, 2026
- Package
- dev.cipher.notes
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