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Umihi Music vs OpenTune: catalog facts
Umihi Music	OpenTune
Free Free and open source under the GPL 3.0.	Free Free and open source under the GPL-3.0-or-later licence.
Android	Android
Plays YouTube and YouTube Music playlists Lightweight Material Design interface	Ad-free and background playback Offline downloads and synchronized lyrics
Unofficial client that depends on YouTube's service Android only	Unofficial client that depends on YouTube Music and can break when it changes Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it 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.