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.