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Retro Music Player vs Rhythm: catalog facts
Retro Music Player	Rhythm
Free Free and open source under the GPL 3.0.	Free Free and open source under the GPL, with no ads.
Android	Android
Many themes and now playing layouts Gapless and crossfade playback	Material 3 Expressive interface Plays local files and streams
Android only Plays local files only, no streaming services	Android only Young project that changes quickly
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-only
Not stated if an account is needed	No account 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.