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Rhythm vs Retro Music Player: catalog facts
Rhythm	Retro Music Player
Free Free and open source under the GPL, with no ads.	Free Free and open source under the GPL 3.0.
Android	Android
Material 3 Expressive interface Plays local files and streams	Many themes and now playing layouts Gapless and crossfade playback
Android only Young project that changes quickly	Android only Plays local files only, no streaming services
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-only
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 2, 2026

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