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Spotify vs Psst: catalog facts
Spotify	Psst
Freemium Lossless streaming requires a Premium subscription.	Free Free and open source; you need a Spotify account to stream music.
Web	Windows, macOS, Linux
Web player that runs in a browser Lossless audio for Premium subscribers	Native GUI written in Rust instead of a web wrapper Lighter alternative to the official Spotify app
Lossless audio limited to Premium and supported apps and devices Proprietary service with no local ownership of music	Unofficial client that depends on Spotify's services Fewer features than the official app
Web application, Hosted service	Downloadable app
Closed source	Open source
License not stated	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 23, 2026	Official website Full listing and sources Checked October 2, 2026

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