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Round SyncS3Drive
Free

Free and open source under the GPL-3.0 licence.

 Freemium

Paid storage plans are offered, and the app can also be pointed at your own S3 or Rclone…

Android Linux, Android, iOS, Web
  • Works with most cloud providers supported by rclone
  • Can serve files over FTP, HTTP, WebDAV or DLNA
  • Client-side encryption compatible with Rclone
  • Works with any S3 provider or self-hosted MinIO and Ceph
  • Homepage is the developer's personal site with little documentation
  • Setup assumes some familiarity with rclone remotes
  • Proprietary client
  • Bringing your own storage means managing a separate provider account
Downloadable app Downloadable app, Web application, Hosted service
Open source Closed source
License: GPL-3.0 License: Proprietary
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

Checked October 2, 2026

Checked October 1, 2026

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