Compare software

Fossify Music Player vs Kasette: catalog facts
Fossify Music Player	Kasette
Free Free and open source under the GPL-3.0, with no ads.	Free Free and open source under the BSD-3-Clause licence.
Android	Android, Web
No ads, tracking or unnecessary permissions Equalizer with presets and a sleep timer	No network access, accounts or analytics Plays common formats including FLAC and Opus
Plays local files only, with no streaming services Android only	Very new project with few users Only plays files you import yourself
Downloadable app	Downloadable app, Web application
Open source	Open source
License: GPL-3.0	License: BSD-3-Clause
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.