Compare software

Seafile vs Sync-in: catalog facts
Seafile	Sync-in
Freemium The community edition is free and open source. The Professional edition is paid.	Free Free and open source, with optional paid enterprise support.
Windows, macOS, Linux, Android, iOS, Self-hosted	Web, Self-hosted
Block-level sync and deduplication make it fast with large libraries Per-library client-side encryption, and a drive client that streams on demand	Files remain readable on disk outside the application Consistent permissions across web, WebDAV, sync and API
Some features are reserved for the paid Professional edition Self-hosting requires a database and careful upgrade handling	You run and maintain the server yourself Younger project than Nextcloud or Seafile
Self-hosted, Downloadable app	Self-hosted
Open source	Open source
License not stated	License not stated
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 September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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