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Round Sync vs RSAF: catalog facts
Round Sync	RSAF
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0.
Android	Android
Works with most cloud providers supported by rclone Can serve files over FTP, HTTP, WebDAV or DLNA	Works with any app that supports the Storage Access Framework Reaches the many storage backends rclone supports
Homepage is the developer's personal site with little documentation Setup assumes some familiarity with rclone remotes	Not a file manager on its own Requires some familiarity with rclone remote configuration
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it 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 October 2, 2026

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