Neo CalDav Sync
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About this app
CalDAV sync for Android — sync your CalDAV calendar to the Android Calendar app.
NeoCalDav Sync is a modern CalDAV calendar sync app for Android. Connect your CalDAV server and keep events synchronized with your phone’s system calendar — securely over HTTPS, with automatic CalDAV discovery and battery-friendly background sync.
Whether you use a self-hosted CalDAV server, a hosted CalDAV service, Nextcloud Calendar, ownCloud, Baikal, Radicale, or another CalDAV-compatible server, this CalDAV client is built for today’s Android and today’s TLS requirements.
Looking for a CalDAV sync app that still works on new Android versions? This app was built from scratch with current Android APIs — not patched legacy sync code.
✓ HTTPS-ONLY CALDAV SYNC
• Secure CalDAV calendar synchronization (HTTPS)
• Safe redirect handling (blocks HTTP downgrade attacks)
• Modern TLS with strict hostname verification
• Works with hardened and enterprise CalDAV servers
✓ FULL CALDAV CALENDAR SUPPORT
• Automatic CalDAV discovery (/.well-known/caldav)
• Principal & calendar collection discovery
• Syncs CalDAV events into the Android system calendar
• Manual sync + scheduled background CalDAV sync
• Compatible with popular CalDAV servers (self-hosted or hosted)
✓ BUILT FOR MODERN ANDROID
• Optimized for Android 10 and newer
• Battery-friendly background sync with WorkManager
• Respects Doze, battery optimization, and system power rules
• No deprecated Apache HttpClient / legacy sync adapter stack
✓ PRIVACY-FOCUSED CALDAV CLIENT
• Sync talks directly to your CalDAV server
• No Google account required for CalDAV syncing
• Ideal for privacy-conscious and self-hosted setups
Ideal if you need:
• A reliable CalDAV Android app for self-hosted calendars
• CalDAV sync that works with strict HTTPS/TLS servers
• A modern alternative to outdated CalDAV sync tools
• Simple Android calendar sync from CalDAV without legacy clutter
Install NeoCalDav Sync and connect your CalDAV server in minutes — secure CalDAV calendar sync for Android, built for today.
NeoCalDav Sync is a modern CalDAV calendar sync app for Android. Connect your CalDAV server and keep events synchronized with your phone’s system calendar — securely over HTTPS, with automatic CalDAV discovery and battery-friendly background sync.
Whether you use a self-hosted CalDAV server, a hosted CalDAV service, Nextcloud Calendar, ownCloud, Baikal, Radicale, or another CalDAV-compatible server, this CalDAV client is built for today’s Android and today’s TLS requirements.
Looking for a CalDAV sync app that still works on new Android versions? This app was built from scratch with current Android APIs — not patched legacy sync code.
✓ HTTPS-ONLY CALDAV SYNC
• Secure CalDAV calendar synchronization (HTTPS)
• Safe redirect handling (blocks HTTP downgrade attacks)
• Modern TLS with strict hostname verification
• Works with hardened and enterprise CalDAV servers
✓ FULL CALDAV CALENDAR SUPPORT
• Automatic CalDAV discovery (/.well-known/caldav)
• Principal & calendar collection discovery
• Syncs CalDAV events into the Android system calendar
• Manual sync + scheduled background CalDAV sync
• Compatible with popular CalDAV servers (self-hosted or hosted)
✓ BUILT FOR MODERN ANDROID
• Optimized for Android 10 and newer
• Battery-friendly background sync with WorkManager
• Respects Doze, battery optimization, and system power rules
• No deprecated Apache HttpClient / legacy sync adapter stack
✓ PRIVACY-FOCUSED CALDAV CLIENT
• Sync talks directly to your CalDAV server
• No Google account required for CalDAV syncing
• Ideal for privacy-conscious and self-hosted setups
Ideal if you need:
• A reliable CalDAV Android app for self-hosted calendars
• CalDAV sync that works with strict HTTPS/TLS servers
• A modern alternative to outdated CalDAV sync tools
• Simple Android calendar sync from CalDAV without legacy clutter
Install NeoCalDav Sync and connect your CalDAV server in minutes — secure CalDAV calendar sync for Android, built for today.
Secure CalDAV calendar sync with full HTTPS support and modern Android APIs
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- This app may share these data types with third partiesApp activity, App info and performance, and Device or other IDs
- No data collectedLearn more about how developers declare collection
- Data isn’t encrypted
- Data can’t be deleted
What’s new
What's new
• Fixed layout on phones with notches/camera cutouts so content stays below the title bar
• Improved dark mode: clearer white text on dark panels and consistent theming
• Added Cancel on Add CalDAV Account to return to the previous screen
• Added a close (X) button on the Support the App unlock screen
• More spacing between fields on the account setup screen
• More reliable device detection in the build-and-run helper script
• Fixed layout on phones with notches/camera cutouts so content stays below the title bar
• Improved dark mode: clearer white text on dark panels and consistent theming
• Added Cancel on Add CalDAV Account to return to the previous screen
• Added a close (X) button on the Support the App unlock screen
• More spacing between fields on the account setup screen
• More reliable device detection in the build-and-run helper script
Everyone
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About the developer
Neagu Adrian-Elian
adrian.elian.neagu@gmail.com
Strada Someșu Rece 85
077190 Bucharest
Romania
