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Fossify File Manager vs Simple File Manager: catalog facts
Fossify File Manager	Simple File Manager
Free Free and open source, with no ads.	Free Free and open source under GPLv3+.
Android	Android
No ads Privacy-focused open-source project	Minimal and uncluttered Material theming
Android only Research does not document network or cloud storage support	Few features beyond browsing files Small, young project
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.