HomeAppsProductivityContactSync - CardDAV and moreApps like ContactSync - CardDAV and more Here are some great alternatives to ContactSync - CardDAV and more by Calendar/Task/Contact Sync Mobile : DAVx⁵ – CalDAV CardDAV WebDAV ★4.3 WiFi Pro FTP Server ★4.3 PeopleSync CardDAV Client ★4.2 iContacts ★3.8 Calibre Sync ★3.9 Nextcloud ★4.7 floccus bookmark sync ★3.9 Titanium Media Sync ★3.4 Managed DAVx⁵ for Enterprise ★4.6 WebDAV Navigator ★3.2 HTTP File Server (+WebDAV) ★3.9 Easy Contacts Backup ★4.9 Copy to SIM Card ★4.1 SyncCloud for iContacts ★4.5 vCard File Reader: VCF Contact ★3.2 Share via HTTP - File Transfer ★4.5