DAVx⁵ is a powerful, open-source synchronization and integration app designed for Android devices. It enables users to seamlessly sync their contacts (CardDAV), calendars (CalDAV), and tasks (VTODO via CalDAV) with a wide variety of cloud services and self-hosted servers. DAVx⁵ also offers full WebDAV support, allowing users to access and manage remote files directly from their device as if they were stored locally.

Built with a strong focus on privacy, transparency, and performance, DAVx⁵ contains no ads, no tracking, and is fully compliant with GDPR. Whether you use Nextcloud, ownCloud, iCloud, Fastmail, mailbox.org, or any other CalDAV/CardDAV/WebDAV-compatible platform, DAVx⁵ ensures reliable two-way synchronization between your server and your Android apps.

With automatic setup tools, secure authentication options, and deep system integration, DAVx⁵ provides a smooth, user-friendly experience for individuals, professionals, and organizations who rely on secure and efficient data synchronization.

What Is DAVx⁵ APK?

DAVx⁵ is an advanced, all-in-one synchronization tool designed for Android devices to seamlessly manage CalDAV, CardDAV, and WebDAV services. It enables flawless syncing of your contacts, calendars, and tasks between your device and various cloud or self-hosted servers.

The app is fully open source, extremely privacy-oriented, and integrates naturally with your device’s default calendar, contacts, and task applications. Whether you use Nextcloud, iCloud, Fastmail, mailbox.org, or your own self-hosted DAV server, DAVx⁵ provides a reliable and secure sync layer.

With strong support for both personal and professional workflows, DAVx⁵ ensures your essential information stays organized and available—across all your devices.

Key Features of DAVx⁵ APK

✔ Unified Sync for Contacts, Calendars & Tasks

DAVx⁵ handles:

• CalDAV – Calendar synchronization

• CardDAV – Contact synchronization

• VTODO (CalDAV Tasks) – Task and to-do synchronization

All from a single, unified application.

✔ Two-Way Synchronization

Enjoy smooth, reliable syncing:

• Changes on your device sync to your server

• Changes made on the server sync back to your device

Everything stays perfectly aligned.

✔ Full WebDAV Support

Access your remote WebDAV files as though they were stored locally:

• Browse cloud files

• Download, upload, edit

• Work with files directly from your device

Supports major WebDAV cloud services and self-hosted setups.

✔ Strong Integration With Android

DAVx⁵ works seamlessly with:

• Default Android Contacts app

• Default Calendar app

• Popular third-party calendar/task apps

No complicated setup—everything feels native.

✔ Simple, Intelligent Setup

The app includes:

• Automatic resource detection

• Support for self-signed certificates

• Login via client certificates

• Smart server configuration

Makes syncing effortless, even for non-technical users.

✔ High Performance Sync Engine

DAVx⁵ is optimized with:

• CTag/ETag mechanisms for fast detection of changes

• Multi-threaded operations

• Sync time-range limits for past calendar events

This ensures smooth, fast, and efficient performance even with large datasets.

✔ Wide Compatibility

Works flawlessly on:

• Latest Android devices

• Older Android versions

• Phones and tablets

✔ Create & Manage DAV Resources

Depending on server support, you can:

• Create calendars

• Delete calendars

• Create address books

• Manage to-do lists

All directly from the app.

✔ Privacy-Focused & Secure

• No tracking

• No ads

• GDPR compliant

• Completely open-source

• Data stays between you and your server

• Fully transparent codebase

DAVx⁵ is trusted by individuals, businesses, and privacy-focused communities worldwide.

Successfully Tested With Many Services

DAVx⁵ works with a wide range of CalDAV/CardDAV/WebDAV services, including:

• Nextcloud, ownCloud, OwnCube

• iCloud

• Google

• Fastmail

• mailbox.org

• GMX, mail.de, mail.ru

• Posteo

• Kerio Connect

• fruux

• Horde

• Baïkal

• Group Office

• Bitrix24

• Daylite

• Kolab Now

• Cyrus IMAP

• Oracle Beehive

• IceWarp

• A1.net

• all-inkl.com

• cPanel

• 1CRM

• EGroupware

• Hetzner

• MDaemon

• And many more...

This broad compatibility makes DAVx⁵ one of the most reliable synchronization apps available.

Why Choose DAVx⁵?

DAVx⁵ is ideal for:

• Users who value privacy and control

• People using self-hosted servers

• Professionals managing complex schedules

• Those who prefer open-source solutions

• Anyone who needs reliable, ad-free, tracker-free syncing

It offers a smooth, trustworthy experience designed for long-term stability.

Conclusion

DAVx⁵ is the most complete, secure, and efficient app for managing CalDAV, CardDAV, and WebDAV synchronization on Android. Its commitment to performance, privacy, and compatibility makes it the top choice for anyone relying on cloud-based or self-hosted contacts, calendars, tasks, and remote files.

With full transparency, no ads, no tracking, and open-source development, DAVx⁵ delivers a professional-grade solution that integrates effortlessly with your device and favorite apps.

If you want a powerful, all-in-one sync tool that truly respects your privacy, DAVx⁵ is the perfect choice.