Compare software

EteSyncInfomaniak kSync
Freemium

The hosted service is paid after a free trial; running your own server is free.

 Free

The app is free and open source; it needs an Infomaniak account.

Android, iOS, Web, Self-hosted Android
  • Zero-knowledge end-to-end encryption
  • Works with existing contact and calendar apps
  • Based on the established DAVx5 sync engine
  • Login set up for Infomaniak accounts automatically
  • Hosted service requires a paid plan after the trial
  • Desktop apps need the separate DAV bridge
  • Only useful with an Infomaniak account
  • Android only
Downloadable app, Web application, Self-hosted, Hosted service Downloadable app
Open source Open source
License not stated License: GPL-3.0
Account needed Account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked October 2, 2026

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