iPhone Giveaway of the Day - Contacts Manager-Fast

* Use international cutting-edge artificial intelligence algorithms *

======Smart management address book======
[Backup Management]: Export vCard from the phone address book with one click, sync back to the phone at any time, don’t worry about changing phones!
[Quick arrangement]: It is more convenient to change the machine. Intelligently merge duplicate contacts, save worry and effort
[Smart Detection]: Automatically detect expired numbers and frequently used numbers, making it more convenient to make calls
[Group SMS]: Send holiday blessing SMS in groups, the app does not charge fees
[Batch delete]: Delete contacts in batch with one key