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Tempus vs Symfonium: catalog facts
Tempus	Symfonium
Free Free and open source under GPL 3.0.	Paid One-time purchase with a free trial on Google Play; no subscription.
Android	Android
Built natively for Android Works with self-hosted Subsonic libraries	Connects to many self-hosted media servers Hi-Res, DSD and USB DAC output with AutoEQ
Needs a Subsonic-compatible server to be useful Android only	Android only Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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