Contact Snapper for iPhone is the most clever app I've seen for the purpose of turning a business card into an editable digital contact.
The app, which you can test for free, has several in-app purchase options I'll discuss later in this review. Contact Snapper is simple to use, and that is the most powerful aspect to the app.
Hold a business card up to the iPhone camera while the app is running, touch the screen, a picture is snapped and the recognition engine goes to work. If the app is confused about any of the words they appear in red text that you can correct. Then poof - the card is in your Contacts database.
Contact Snapper handles double-sided cards, and depending on the version of the ap