Substreamer is a free open-source music streamer for your personal Subsonic-compatible server. Stream browse and download your entire music library on Android — no ads no subscriptions and no data collection.

Verified with Navidrome Subsonic Gonic Nextcloud Music and Ampache. Also compatible with Airsonic-Advanced Funkwhale Supysonic and other Subsonic API servers.

STREAM & DOWNLOAD
Stream music in full quality or choose a bitrate that suits your connection. Supports FLAC MP3 AAC and other lossless and lossy formats. Download albums playlists and favorite songs for offline listening with background queue processing and automatic recovery. Substreamer switches to offline mode automatically when your server is unreachable — your downloaded music keeps playing without interruption.

TUNED IN — SMART MIXES
Personalised playlists powered by your listening history. Time-of-day mixes deep cuts from similar artists decade time machines genre blends favorites radio and a custom mix builder — all generated from your own music library not an algorithm trained on someone else's taste.

LISTENING ANALYTICS
See your play history top artists albums and songs most active listening hours activity heatmaps and listening streaks. Scrobbles queue locally when you are offline and sync automatically when you reconnect. Exclude specific albums or artists so one-off plays don't skew your stats.

LIBRARY MANAGEMENT
Browse your music collection by album artist or playlist. List and grid views with alphabetical quick-scroll make navigating large libraries fast and easy. 5-star ratings and favorites sync with your server. Create and manage playlists reorder tracks or save your current queue as a new playlist.

PLAYBACK
Background playback with full lock screen and notification controls. Adjustable playback speed shuffle and repeat modes. Share albums or playlists with configurable links.

BEAUTIFUL & PRIVATE
Light dark and system themes with custom accent colors. Album art color extraction for immersive detail views. Your self-hosted music stays between you and your server — no tracking no analytics collected no account required.

COMPATIBLE SERVERS
Verified with Navidrome Subsonic Gonic Nextcloud Music and Ampache. Also compatible with Airsonic-Advanced Funkwhale Supysonic and other Subsonic API servers. Built for the self-hosted music community.

OPEN SOURCE
Substreamer is free and open source under the GPL-3.0 license. A personal music player that puts you in control — browse the code report issues or contribute at github.com/ghenry22/substreamer.