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OuterTune vs DuWave: catalog facts
OuterTune	DuWave
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the Apache 2.0 licence.
Android	Android
Local files and YouTube Music in one player Song downloads for offline playback	Plays local music and streams online Downloads songs for offline listening
Unofficial YouTube Music client that can break when the service changes Android only	Small project with few contributors Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: Apache-2.0
Not stated if an account is 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.