DAVx⁵ – CalDAV CardDAV WebDAV 4.4.11-gplay
bitfire web engineering – Commercial – Androidout of 3664 votes
4.4.11-gplay Safe to install
Seamlessly Sync Your Contacts and Calendars with DAVx⁵

DAVx⁵ is a robust sync adapter that reliably connects your Android device with CalDAV and CardDAV services, ensuring all your contacts and calendars are always up-to-date.
If you are encountering issues, please contact our support team at [email protected] or visit our discussion forums at https://www.davx5.com/forums/ for assistance rather than giving negative feedback.
DAVx⁵ is a comprehensive application that caters to all your CalDAV, CardDAV, and WebDAV needs. It offers robust synchronization capabilities for your contacts (CardDAV), calendars (CalDAV), and tasks (based on VTODO). The setup is straightforward, and it seamlessly integrates with your preferred calendar and contacts app or can function independently depending on your requirements. Additionally, DAVx⁵ allows access to remote WebDAV files.
For those interested in managing tasks, notes, and journals, explore jtxBoard at: https://play.google.com/store/apps/details?id=at.techbee.jtx. DAVx⁵ offers synchronization capabilities with jtxBoard for seamless server integration.
Compatible with a wide range of CalDAV/CardDAV servers including Nextcloud, iCloud, and Synology!
Post-installation, you can configure CalDAV and CardDAV accounts directly within the app. For additional guidance, refer to the testing information available at https://www.davx5.com/tested-with/. For detailed instructions, consult the manual: https://www.davx5.com/manual/, the FAQ section: https://www.davx5.com/faq/, and our forum community: https://www.davx5.com/forums/.
Key features:
- Sync your Calendars (CalDAV), address books (CardDAV), and Tasks (VTODO via CalDAV) within a unified app
- Two-way synchronization for seamless data flow between server and client
- Access WebDAV files effortlessly and collaborate with remote storage as if they were local
- Seamless integration with your device and preferred applications
- Straightforward setup process with resource auto-detection and support for self-signed certificates
- Optimized performance with fast algorithms including CTag/ETag and multi-threaded sync
- Tailored for both phones and tablets with backward compatibility for older Android versions
- In-app management options for creating and deleting calendars, address books, and to-do lists*
- Top-notch security measures with strong emphasis on user privacy
- No advertisements or tracking, fully GDPR compliant
- Completely open source software
* Functionality may vary based on server implementation and support levels.
Important compatibility notes:
Please note that DAVx⁵ should not be moved to the SD card to prevent erratic behavior including potential account and data loss.
Optimize performance by:
- Using the app with your private DAV server (Radicale, DAViCal, SabreDAV, Baikal, etc.) over HTTPS to retain ownership of your data while benefiting from multi-device synchronization. Alternatively, trust a reliable hosted DAV service or your company's server.
- Combining DAVx⁵ with services like Evolution, Thunderbird, or WebDAV storage on your computer
Successfully tested with:
- 1CRM
- A1.net
- All-inkl.com
- AOL Mail
- Baïkal
- Bitrix24
- Calendar and Contacts Server
- cPanel
- Cyrus IMAP
- <!-- Other entries omitted for brevity -->
- Zoho
* Detailed testing information available at: https://www.davx5.com/tested-with/
Also available is a dedicated business version offering enterprise features like mass deployment and pre-configurable settings: https://www.davx5.com/organizations/managed-davx5
Please review our Privacy Policy to understand how we handle your data: https://www.davx5.com/privacy/
Overview
DAVx⁵ – CalDAV CardDAV WebDAV is a Commercial software in the category Business developed by bitfire web engineering.
The latest version of DAVx⁵ – CalDAV CardDAV WebDAV is 4.4.11-gplay, released on 06/07/2025. It was initially added to our database on 05/03/2024.
DAVx⁵ – CalDAV CardDAV WebDAV runs on the following operating systems: Android.
Users of DAVx⁵ – CalDAV CardDAV WebDAV gave it a rating of 4 out of 5 stars.
Pros
- Supports synchronization of CalDAV and CardDAV services for calendar and contacts
- Secure connection via HTTPS
- Open-source software with regular updates and community support
- Supports two-way synchronization of data
- No ads or in-app purchases
- Functional and user-friendly interface
Cons
- May have some compatibility issues with certain servers
- Complex setup for non-tech-savvy users
- Some users may experience occasional syncing errors
- Not available for iOS devices

Peter Salakani
I'm Peter, a software reviews author at UpdateStar and content specialist with a keen focus on usability and performance. With a background in both software development and content creation, I bring a unique perspective to evaluating and discussing general software topics. When I'm not reviewing software, I enjoy staying updated on the latest tech trends, experimenting with new applications, and finding innovative solutions to everyday tech challenges.
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