DAVx⁵ (DAVdroid) – CalDAV/CardDAV Client v3.3.11-beta1-gplay (Paid)

DAVdroid 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 integrates perfectly with your favorite calendar/contacts app (including default apps). It can also be used seperately, if you either have CalDAV, CardDAV or only Tasks.

Compatible with almost every CalDAV/CardDAV servers and services, including Nextcloud, iCloud and Synology!

DAVx⁵ (DAVdroid) Key features:

• Sync your DAV calendars (CalDAV) and address-books (CardDAV) and Tasks 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, support for self-signed certificates, authentication by client certificates)
• Fast algorithms for high performance (CTag/ETag, limit sync time range for past events)
• Optimized for phones and tablets
• Super-secure and we respect your privacy!
• DAVdroid is completely open source

Important compatibility notes

Attention: DAVdroid must not be moved to the SD card! This will cause strange behaviour, including account and data loss.

Get the best out of this app …

⊛ … when using with your own DAV server (Radicale, DAViCal, SabreDAV, Baikal, …) and HTTPS – so you own and control all your data while having the comfort of synchronization between various devices. Or use a hosted DAV service you trust or the one of your company.

⊛ … and combine it with Evolution / Thunderbird / etc. on your computer