DAVx⁵ (previously known under a different name) is the only all-in-one sync solution for your contacts (CardDAV), calendars (CalDAV), and your tasks (based on VTODO). The app is easy to set up and seamlessly integrates with your favorite calendar / contacts app (including default apps). It can also be used separately, if you have CalDAV, CardDAV or just Tasks.
+ Bidirectional synchronization (server ↔ client)
+ Native Android 4+ implementation
+ Seamless integration with your favorite device and apps
+ Easy setup (
+ Fast algorithms for high performance
+ Optimized for phones and tablets
+ Super safe and we respect your privacy!
+ DAVx⁵ is completely open source
(4.1 and up)
Ice Cream Sandwich (4.0 - 4.0.4),Jelly Bean (4.1 - 4.3.1),KitKat (4.4 - 4.4.4),Lollipop (5.0 - 5.1.1),Marshmallow (6.0 - 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1), Pie(9.0)