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Musicolet vs Rhythm: catalog facts
Musicolet	Rhythm
Free Free to download with no ads.	Free Free and open source under the GPL, with no ads.
Android	Android
No internet permission and no ads Multiple playback queues	Material 3 Expressive interface Plays local files and streams
Plays local files only, no streaming or server support Android only	Android only Young project that changes quickly
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-only
No account needed	No account needed
Works offline	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.