DAVx⁵ (formerly known by a different name) is the only all-in-one synchronization 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.
+ Synchronize your calendars DAV (CalDAV) and address books (CardDAV) and Tasks in a single application
+ Two-way synchronization (server ↔ client)
+ Seamless integration with your favorite device and apps
+ Fast algorithms for high performance
+ Optimized for phones and tablets. Compatibility with previous versions of Android.
+ Super safe and we respect your privacy!
+ Absolutely no ads or tracking.
+ Comply with GDPR.
+ DAVx⁵ is completely open source

Supported Android
(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)

Download DAVx⁵ CalDAV CardDAV Client 3.3.3-beta3-gplay APK Paid

DAVx-3.3.3-beta3-gplay.apk