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Symfonium vs Feishin: catalog facts
Symfonium	Feishin
Paid One-time purchase with a free trial on Google Play; no subscription.	Free The open-source application is available without a license fee.
Android	Windows, macOS, Linux
Connects to many self-hosted media servers Hi-Res, DSD and USB DAC output with AutoEQ	Multiple playback backends and lyric display
Android only Paid after the trial	Requires a supported music server.
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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