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Rhythm vs DuWave: catalog facts
Rhythm	DuWave
Free Free and open source under the GPL, with no ads.	Free Free and open source under the Apache 2.0 licence.
Android	Android
Material 3 Expressive interface Plays local files and streams	Plays local music and streams online Downloads songs for offline listening
Android only Young project that changes quickly	Small project with few contributors Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: Apache-2.0
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.