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Sync.com vs Filen: catalog facts
Sync.com	Filen
Freemium A small free tier is available. More storage requires a paid plan.	Freemium A free tier is available. More storage requires a paid plan or a lifetime purchase.
Windows, macOS, Android, iOS, Web	Windows, macOS, Linux, Android, iOS, Web
Zero-knowledge encryption applies to everything by default, not as an add-on Sharing links with passwords, expiry and download limits	Client applications are open source and the encryption is zero-knowledge Data stored in Germany under EU data protection rules
No Linux client Zero-knowledge means a forgotten password can mean permanent data loss	Smaller and newer than the established providers Some clients still carry rough edges
Downloadable app, Hosted service	Downloadable app, Hosted service
Closed source	Open source
License not stated	License not stated
Account needed	Account 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 September 22, 2026

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