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Riff vs Psst: catalog facts
Riff	Psst
Free Free and open source under the MIT licence; a Spotify account is needed to stream.	Free Free and open source; you need a Spotify account to stream music.
Linux	Windows, macOS, Linux
Native GTK interface that fits the GNOME desktop Written in Rust rather than built on Electron	Native GUI written in Rust instead of a web wrapper Lighter alternative to the official Spotify app
Requires a Spotify account Unofficial client, so it depends on Spotify's services continuing to work with it	Unofficial client that depends on Spotify's services Fewer features than the official app
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
Account needed	Account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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