DAVdroid is the only all-in-one synchronization solution for both contacts (CardDAV) and calendars (CalDAV). The app is easy to set up and integrates perfectly with your favorite calendar/contacts app (including default apps). It can also be used seperately, if you either have CalDAV or CardDAV.
Compatible with most CalDAV/CardDAV servers and services, including OwnCloud, iCloud and OS X Server!
⊛ Use DAV calendars (CalDAV) and address-books (CardDAV) in a single app
⊛ Two-way synchronization (server ↔ client)
⊛ Native Android 4+ implementation
⊛ Flawless integration with your device and favorite apps
⊛ Easy setup (resource auto-detection)
⊛ Fast algorithms for high performance (CTag/ETag support)
⊛ Optimized for phones and tablets
⊛ DAVdroid JB Workaround verfügbar
⊛ … and finally – it’s open source!
Important compatibility notes
For all Android 4.1 and all Samsung users: There’s an Android bug that causes accounts to be lost after a device reboot. To avoid this issue, please install the free app “DAVdroid JB Workaround”. Samsung users: The problem doesn’t occur if you download DAVdroid using Samsung Store.