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Teyin vs Material Files: catalog facts
Teyin	Material Files
Free Free and open source under the GPL v3 or later.	Free Free and open source.
Android	Android
Runs fully on-device with no tracking Multiple themes and custom fonts	Clean Material Design interface Network access over FTP, SFTP, SMB and WebDAV
Young project with a basic feature set Few translations so far	Android only No desktop companion app
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it 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.