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Infomaniak kSyncEteSync
Free

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

 Freemium

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

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

Checked October 2, 2026

Checked October 1, 2026

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