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Supersonic vs Finamp: catalog facts
Supersonic	Finamp
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source.
Windows, macOS, Linux	Android, iOS
Provides a native desktop interface with gapless playback.	Built specifically for music on Jellyfin Open source with an active contributor base
Requires access to a supported music server.	Needs a Jellyfin server and account to be useful Not a player for local files on its own
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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