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SicMu Neo vs Foldio: catalog facts
SicMu Neo	Foldio
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the BSD 3-Clause licence.
Android	Android
Browse and play music by folder structure Can also group by audio file metadata	Folders become playlists with no library scan or tagging Shuffle across several playlists at once
Very basic interface May need a settings change after a fresh install	Android only Basic playback controls only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: BSD-3-Clause
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.