auraninja

April 8, 2026 · View on GitHub

Ambient sound and focus app built with Flutter. Mix nature sounds, binaural beats, white noise, and internet radio stations to create your perfect sound environment.

Features

  • Nature Sounds — rain, forest, fire, ocean, and more, mixable simultaneously
  • Binaural Beats — focus, relaxation, and sleep frequencies
  • White / Brown / Pink Noise — classic noise profiles for concentration
  • Internet Radio — search and add any station via the Radio Browser directory
  • Custom Stations — add radio streams by URL or search by name
  • Station Logos — automatic artwork fetched from Radio Browser
  • Volume Per Sound — independent volume slider on every card
  • Playback-aware Visualizer — animated ribbons that react to what is playing
  • Lock Screen Controls — media notification with track metadata
  • Material You — dynamic color theming, light and dark mode
  • Google-Free — no Google Play Services required, fully FOSS

Try it Online

Launch auraninja

Download

Get the latest APK from the Releases page.

APKNotes
auraninja-X.X.X.apkUniversal — works on any device
auraninja-X.X.X-arm64-v8a.apkMost modern Android phones
auraninja-X.X.X-armeabi-v7a.apkOlder 32-bit devices
auraninja-X.X.X-x86_64.apkEmulators

Install via Obtainium

Add https://github.com/Giuig/auraninja in Obtainium to receive automatic updates. Use the APK filter auraninja-\d to select the universal build.

Install via IzzyOnDroid

Get it on IzzyOnDroid

Support

I make FOSS apps in my free time, a coffee would help me keep them going! ☕

Ko-fi

Build

# Prerequisites: Flutter SDK 3.41.5+
flutter pub get
flutter build apk --release --split-per-abi --no-tree-shake-icons --split-debug-info=build/debug-info
flutter build web --base-href=/auraninja/ --release

Part of the ninja apps family

AppDescription
tvninjaIPTV / M3U8 player
decisioninjaDecision-making app - dice, coin flip, spinner
ninja_materialShared Flutter library powering all ninja apps

License

License: GPL v3

This project is licensed under the GNU General Public License v3.0.