A modern, lightweight, and secure notes application for Android. Built with Jetpack Compose and Material 3 Expressive
Offers a beautiful, fluid user experience while prioritizing your privacy and organization.
Status: Early alpha. Expect bugs and breaking changes between versions. See Releases for the latest APK.
- Material 3 Expressive: Leveraging the latest Material 3 components for a bold and modern look.
- Dynamic Color (Material You): Themes that adapt to your wallpaper (Android 12+).
- Dark Mode & OLED Support: Support for standard dark mode and a "Pure Black" mode for OLED screens.
- Note Colors: Personalize notes with 6 curated accent colors.
- App Lock: Secure the entire app using a PIN, Pattern, Password, or Biometric authentication.
- The Vault: A dedicated private space for your most sensitive notes, protected by its own secret.
- Biometric Integration: Seamlessly unlock your app or vault using fingerprint or face unlock.
- Folders: Categorize your notes into custom folders for better management.
- Tags: Add searchable tags to your notes.
- Pin & Favorite: Keep important notes at the top or mark them for easy access.
- Archive: Hide notes from your main grid without deleting them.
- Trash Bin: Deleted notes are safely kept for 30 days before being permanently removed.
- Search: Quickly find notes with real-time title and content search.
- Markdown Support: Write notes with lightweight Markdown-style formatting (Bold, Italic, Underline, Bullets).
- PDF Viewer: View PDF documents directly within the app.
- Backup & Restore: Export your data as a secure ZIP/JSON backup and restore it anytime.
- Haptic Feedback: Tactile responses for a more immersive experience.
- Customization: Adjust font scales and font types to your preference.
- UI: Jetpack Compose with Material 3 Expressive
- Architecture: MVVM (Model-View-ViewModel)
- Data Persistence: Jetpack DataStore (Preferences)
- Language: 100% Kotlin
- Build System: Gradle (Kotlin DSL)
Grab the latest APK from the Releases page. Pick the build matching your device:
| Variant | Use case |
|---|---|
arm64 |
Most modern phones (recommended) |
armv7 |
Older 32-bit devices |
x86_64 |
Emulators / x86 devices |
universal |
Works on any device, larger file size |
Alpha/Beta builds are debug builds, not signed for production release yet.
- Android Studio (latest stable)
- JDK 21
- Android SDK 37 (compile target)
- Minimum SDK: Android 12 (API 31)
- Clone the repository.
- Open the project in Android Studio.
- Sync Gradle and run the
:appmodule.
# Build debug APK (all ABIs + universal)
./gradlew assembleDebugRyNotes/
├── app/
│ ├── src/main/java/com/rynekryz/rynotes/
│ │ ├── MainActivity.kt # Navigation & Entry Point
│ │ ├── HomeScreen.kt # Main Grid & Search
│ │ ├── NoteEditorScreen.kt # Rich Note Editing
│ │ ├── VaultScreen.kt # Secure Notes Container
│ │ ├── SettingsScreen.kt # App Preferences & Backup
│ │ ├── NoteViewModel.kt # Core Logic & Persistence
│ │ ├── Note.kt # Data Models
│ │ └── ... # Biometrics, Haptics, Theme, etc.
│ └── src/main/AndroidManifest.xml
└── ...
Distributed under the GNU General Public License v3.0 (GPLv3). See LICENSE for more information.
Contributions are welcome! Feel free to open issues or submit pull requests.
Made with ♥︎ by Ryne
