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Auxio vs Symfonium: catalog facts
Auxio	Symfonium
Free Free and open source, supported by donations.	Paid One-time purchase with a free trial on Google Play; no subscription.
Android	Android
Plays local files with no streaming account Simple, focused interface	Connects to many self-hosted media servers Hi-Res, DSD and USB DAC output with AutoEQ
Android only No streaming service integration	Android only Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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