Compare software

Filen vs Proton Drive: catalog facts
Filen	Proton Drive
Freemium A free tier is available. More storage requires a paid plan or a lifetime purchase.	Freemium A free account is available, with paid plans for more storage and a separate business…
Windows, macOS, Linux, Android, iOS, Web	Android, iOS, Web
Client applications are open source and the encryption is zero-knowledge Data stored in Germany under EU data protection rules	End-to-end encryption that the provider cannot read Automatic photo and video backup from mobile
Smaller and newer than the established providers Some clients still carry rough edges	Requires a Proton account Free tier storage is limited
Downloadable app, Hosted service	Downloadable app, Web application, Hosted service
Open source	Closed 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 23, 2026

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