Covve syncrhonizes with your existing addressbook (iCloud, Exchange, Gmail, Outlook etc). It is continuously in-sync with it and the majority of improvements you make to your contacts in Covve are synced back into your addressbook.
Note that in the case of iPhone and Android, your phone's addressbook may have multiple sources of contacts (called accounts or groups) and Covve will sync with most of these.
If you don’t have an address book but want to use Covve, then you need to create an address book with your most valuable contacts, the ones at the other end of the phone. Here are some actions that may help you get started:
We do not believe in amalgamating all your contacts from all possible sources in one large address book but we are looking at offering services that will help create a useful, curated business address book.