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Sync clients for our clouds

Here you will find download links for the sync apps, as well as instructions for setting up calendar, contacts, ... Sync for ownCloud and Nextcloud.


Get your sync apps here

Desktop client Android app iOS app


Connect your desktop apps to Nextcloud

Connect calendar Connect contacts File access via WebDAV

You can find more information in the documentation.
If you like nextcloud,, recommend to a friend and give something back.!





Get your sync apps here

Desktop client Android app iOS app


Connect your desktop apps to ownCloud

Connect calendar Connect contacts File access via WebDAV

You can find more information in the documentation.
If you like ownCloud, recommend to a friend.




Calendar, Contacts, Tasks Sync program recommendation



DAVX5 is an open-source CalDAV / CardDAV synchronization app for Android 4+.
Main features

* Two-way synchronization (server? Client, server always wins)
* values simplicity, security and data protection
* supports contacts, calendars (events) and tasks (to-do's)
* simple application, not too many "functions"
* Easy integration with devices, address books and calendar apps
* High performance algorithms
* can be used separately (either CalDAV or CardDAV)
* free and open-source software (FOSS)

DAVX5 website

Some OwnCube features

End2End encryption
Accessible from anywhere
Synchronize your files
Share files with a few clicks
Versioning and trashbin
Activity feed

Encryption app
Photo gallery + sharing
Music- / Video-Streaming
Password/expiry date option
Online collaboration
Collabora / Office

Contacts/calendar + Sharing
File Activity feed
Collabora Online / Videochat
Keeweb - Open Keepass
Notes and texts
Audio / Video Chat

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7-day money-back guarantee

You can try all our services without any risk. We want you to be satisfied, that is why we as an experienced cloud provider offer an exclusive money-back guarantee: in case of any dissatisfaction you can withdraw within 7 days without justification, and we will refund the full amount. For a fully free-of-charge test you can simply use a free OwnCube subdomain at your order and refrain from booking additional service during your test period. Test and see, no risk, for 7 days!

24/7 - competent support that our customers love

We offer 24/7 support, 365 days a year. A clear ticket system and our fast response time are convincing. 24h standby in all data centers to help you around the clock with problems.

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What our customers say about OwnCube

OwnCube: trusted by companies, clubs and schools worldwide