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SiaSync.com
Freemium

The Sia Storage app includes 50 GB free; pricing beyond that is not stated.

 Freemium

A small free tier is available. More storage requires a paid plan.

Android, iOS Windows, macOS, Android, iOS, Web
  • Files encrypted and sharded across many independent hosts
  • No central operator holding your data
  • Zero-knowledge encryption applies to everything by default, not as an add-on
  • Sharing links with passwords, expiry and download limits
  • Mostly aimed at a technical and builder community
  • Desktop clients and pricing details are not described on the homepage
  • No Linux client
  • Zero-knowledge means a forgotten password can mean permanent data loss
Downloadable app, Hosted service Downloadable app, Hosted service
Open source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

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