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Supersonic vs Symfonium: catalog facts
Supersonic	Symfonium
Free The open-source software is available without a license fee. Hosting, hardware and…	Paid One-time purchase with a free trial on Google Play; no subscription.
Windows, macOS, Linux	Android
Provides a native desktop interface with gapless playback.	Connects to many self-hosted media servers Hi-Res, DSD and USB DAC output with AutoEQ
Requires access to a supported music server.	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 September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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