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Filen vs Sia: catalog facts
Filen	Sia
Freemium A free tier is available. More storage requires a paid plan or a lifetime purchase.	Freemium The Sia Storage app includes 50 GB free; pricing beyond that is not stated.
Windows, macOS, Linux, Android, iOS, Web	Android, iOS
Client applications are open source and the encryption is zero-knowledge Data stored in Germany under EU data protection rules	Files encrypted and sharded across many independent hosts No central operator holding your data
Smaller and newer than the established providers Some clients still carry rough edges	Mostly aimed at a technical and builder community Desktop clients and pricing details are not described on the homepage
Downloadable app, Hosted service	Downloadable app, Hosted service
Open source	Open source
License not stated	License not stated
Account 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 1, 2026

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