iOS iPhone Business
ContactExchange is a simple free application, helps you exchange your contact information with somebody else.
▪Transfer contact between two iPhones and/or iPod Touches over bluetooth. Does not require any 3G or WiFi connection.
▪Allows you to choose any contact in your address book if you like.
▪This application requires iPhone 3G or later or 2nd generation iPod Touch or later.
▪The connection quality of bluetooth depends on the environment used. If the connection hasn't been made by waiting for a few minutes, you can cancel the connection requirement, shutdown the application, and then start the application try again.
update for ios6