DAVy - Calendar & Contact Sync

Sync your CalDAV calendars and CardDAV contacts with Android’s built‑in Calendar and Contacts apps.

Pay once – no subscription, privacy‑friendly sync for your own DAV server.

🌟 Features

• Optimized for Nextcloud CalDAV and CardDAV

• Reliable CalDAV calendar sync (RFC 4791)

• Reliable CardDAV contact sync (RFC 6352)

• Bidirectional sync with Android Calendar and Contacts

• Background sync with configurable intervals

• Conflict detection and safe resolution

• Full and incremental sync support

• Backup and restore of app settings

💽 Data Management

• Multiple account support (Nextcloud and other compatible DAV servers)

• Per-calendar and per-address-book selection

• Calendar and address book management from within the app

• Deep integration with Android Calendar and Contacts providers

• Create, edit and delete events and contacts directly from Android apps

• Offline data caching for reliable sync, even with unstable connections

🛡️ Security & Privacy

• Encrypted credential storage using Android Keystore

• TLS/SSL certificate validation for secure connections

• No data collection or telemetry

• No third-party analytics or tracking

• All data stays between your device and your own server

🎨 User Experience

• Modern Material 3 design

• Dark mode support

• Easy account setup

• Per-collection sync control

• Multiple account support

• Calendar and address book management

🌟 User experience

• Modern Material Design 3 interface

• Full dark mode support

• Guided account setup for typical Nextcloud configurations

• Per-collection sync control for fine-grained control over what is synced

🛠️ Work in progress

• Planned WebDAV file sync support