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