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Linthra vs Kopuz: catalog facts
Linthra	Kopuz
Free Free and open source under the AGPL-3.0.	Free Free and open source under the EUPL-1.2, supported by sponsors.
Linux, Android	Windows, macOS, Linux, Android
Plays local files and streams from Jellyfin, Navidrome/Subsonic and Plex Explicit offline cache for streamed music	Local files and many music services in one library Synced and word-timed lyrics display
Streaming requires running your own music server Young project under active development	Apple Music playback only works on desktop Streaming sources need accounts with those services
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: EUPL-1.2
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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