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SFTP-SAF vs FTPClient: catalog facts
SFTP-SAF	FTPClient
Free Free and open source under GPL-3.0-or-later.	Free Free and open source under the MIT licence.
Android	Android
Works through Android's Storage Access Framework Lets compatible apps open and edit remote files	Supports FTP, FTPS and SFTP Runs on Android 5.0 and later
Requires an SFTP server Works through file managers and apps that support the Storage Access Framework	Deliberately simple feature set No WebDAV or cloud storage support mentioned
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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