Sync Contacts (CardDAV), Calendars and Tasks (CalDAV). Access your WebDAV files.
About DAVx⁵ – CalDAV CardDAV WebDAV
DAVx⁵ – CalDAV CardDAV WebDAV is a productivity app developed by bitfire web engineering.
Download Statistics
DAVx⁵ – CalDAV CardDAV WebDAV has been downloaded 290 thousand times. In the last 30 days, the app was downloaded 3.1 thousand times. It is ranked #1 in productivity.
User Ratings
DAVx⁵ – CalDAV CardDAV WebDAV is rated 4.26 out of 5 stars. The rating is based on 3.7 thousand ratings.
App Information
DAVx⁵ – CalDAV CardDAV WebDAV costs $6.49 to download. The APK download size is 9.27 MB. The latest version available is 4.5.19-gplay. The last update was on August 3, 2026.
Technical Requirements
DAVx⁵ – CalDAV CardDAV WebDAV requires Android 5.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play December 2013.
Description
If you're encountering problems please contact us: support@davx5.com or have a look at our forums: https://www.davx5.com/forums/ instead of down-voting the app so that we can provide support.
DAVx⁵ is the only all-in-one app for all things CalDAV, CardDAV and WebDAV! It is a fully-featured sync 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. DAVx⁵ can also be used to access your remote WebDAV files.
Want to keep track of tasks, notes and journals? Try jtxBoard: https://play.google.com/store/apps/details?id=at.techbee.jtx DAVx⁵ can synchronize everything from jtx Board with your own server!
Compatible with almost every CalDAV/CardDAV servers and services, including Nextcloud, iCloud and Synology!
After installing, you can add a DAVx⁵ account for CalDAV and CardDAV from within the app. See https://www.davx5.com/tested-with/ for help. For more information, please see the manual: https://www.davx5.com/manual/, the FAQ: https://www.davx5.com/faq/ and our forums: https://www.davx5.com/forums/
Key features:
⊛ Sync your Calendars (CalDAV) and address-books (CardDAV) and Tasks (VTODO via CalDAV) in a single app ⊛ Two-way synchronization (server ↔ client) ⊛ Access your WebDAV files and work with remote storages — seamlessly just as they would be local on the device ⊛ 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, multi-threaded sync) ⊛ Optimized for phones and tablets. Backward compatibility for old Android versions. ⊛ Management options within the app (Create and Delete new calendars, address books and to-do lists*) ⊛ Super-secure and we respect your privacy! ⊛ Absolutely no ads and no tracking. ⊛ GDPR compliant. ⊛ DAVx⁵ is completely open source
* depends on server implementation / may be not supported by all servers
Important compatibility notes
Attention: DAVx⁵ 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 / WebDAV storage etc. on your computer
⊛ … and many others: https://www.davx5.com/tested-with/
Also available as a separate business version with Enterprise features like mass-deployment and pre-configurable settings: https://www.davx5.com/organizations/managed-davx5
Privacy Policy: Please find out how we handle your data: https://www.davx5.com/privacy/
4.5.19: * Fix a bug within Digest Auth * Bug fixing regarding tasks apps (endless loop sync). * Refactoring
Badges update: Badges can now be activated by clicking them to buy them again! If you like what we do you can collect "Badges" from the nav menu to further support us. Thank you!!
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Comments on DAVx⁵ – CalDAV CardDAV WebDAV for Android
★★★★★Joe Supererogatory· Feb 4, 2025
2022 comment: Works well, but please be aware that this app will NOT sync your local contacts or calendars to your CarD av or CalDav accounts. Edit: Thanks for replying! 2025 comment: Did that tool happen? It would be good to copy local contacts and calendar entries to a synced account.
★★★★★Jordan “Drak” Drakinite· Apr 8, 2025
It's been working perfectly for me without issues ever since I set it up, maybe 2 years ago or so? All I have it configured to do is sync my Nextcloud calendar and contacts. It's very much been set-and-forget.
Excellent app, connected my MacBook Pro to Android samsung s26. Works perfectly. My fault that I had some sync issues and tech support helped me with alot of emails and screenshots and patiently showed me which events to sync as mac is different. Thanks for a great app as syncing mac to samsung calendars is difficult 😃
★★☆☆☆Tomasz Fiszer· Dec 2, 2025
Very flaky and unstable, doesn't work with radicale very well. I would refund if I could, as it continuously spams me with auth issues, yet when I go to the app and sync manually, it all works fine. I can't really trust it does its job correctly. Waste of money and time.
★★☆☆☆Gunnar Guðvarðarson· Aug 24, 2025
I have wanted to use this app for _years_, but I couldn't because I didn't know it supported client certificates. I use Nextcloud and what I've always been doing when I wanted to test this app is select Nextcloud because I expected this app to prompt for a certificate when the server asked for one, but nooooo that would be user-friendly we can't have that. Please detect if you are being challenged for a client certificate in the TLS handshake and ask the user to select one.
★★☆☆☆Ben Pearson· Feb 20, 2026
Next time you upgrade the app; don't include a nag splash that causes all syncs to fail. I need the app to keep functioning across upgrades without my intervention.
Google Play Rankings for DAVx⁵ – CalDAV CardDAV WebDAV
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