iContacts

Synchronize Cloud Contacts is CardDAV client can synchronize contacts in iCloud Server. With this app, you can share and synchronize contacts between Android devices and iDevices. In short, you can add, update, delete contact on Android phone and it will appear on iDevices. It supported 2-STEPS VERIFICATION with APP-PASSWORD, two-way synchronization (server ↔ client), fast algorithms for high performance (ETag/Ctag, split contacts ) and beautiful Contact editor.