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Fossify Music Player vs cmus for Android: catalog facts
Fossify Music Player	cmus for Android
Free Free and open source under the GPL-3.0, with no ads.	Free Free and open source under the GPL-2.0 licence.
Android	Android
No ads, tracking or unnecessary permissions Equalizer with presets and a sleep timer	Uses real cmus with existing config and keybindings Touch controls and lock screen media integration
Plays local files only, with no streaming services Android only	Requires Android 14 or later on arm64 Interface assumes familiarity with cmus
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0-only
No account 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.