Contacts Keeper is an application that puts you in control of backing up or transferring your contacts list.

You can use Contacts Keeper to export your iPhone contacts list in the industry standard vCard format and send it anywhere you want as an attachment to an email. You can also save your contacts list to Dropbox in an application specific folder and with (or without) versions! This puts you in full control of your contacts list.

Unlike many other programs which try to imitate Contacts Keeper, you can include the images your iPhone uses for each contact. These can be imported in to your mac’s address book or any other program that understands the 3.0 vCard format.