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Symfonium vs Linthra: catalog facts
Symfonium	Linthra
Paid One-time purchase with a free trial on Google Play; no subscription.	Free Free and open source under the AGPL-3.0.
Android	Linux, Android
Connects to many self-hosted media servers Hi-Res, DSD and USB DAC output with AutoEQ	Plays local files and streams from Jellyfin, Navidrome/Subsonic and Plex Explicit offline cache for streamed music
Android only Paid after the trial	Streaming requires running your own music server Young project under active development
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.