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Teyin vs Fossify File Manager: catalog facts
Teyin	Fossify File Manager
Free Free and open source under the GPL v3 or later.	Free Free and open source, with no ads.
Android	Android
Runs fully on-device with no tracking Multiple themes and custom fonts	No ads Privacy-focused open-source project
Young project with a basic feature set Few translations so far	Android only Research does not document network or cloud storage support
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License not stated
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 September 23, 2026

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