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