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FTP Server vs Primitive FTPd: catalog facts
FTP Server	Primitive FTPd
Free Free and open source; the F-Droid build includes every feature.	Free Free and open source under the Apache 2.0 licence.
Android	Android
Moves files between phone and computer without a cable Works with any standard FTP client	Supports both FTP and SFTP Works without root
Plain FTP is unencrypted, so it suits trusted networks Project homepage was unreachable when checked	Prevents standby while running, which uses battery Needs a client on the other machine
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: Apache-2.0
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 October 2, 2026

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