CRISPAPP

Maker of a mobile VoIP app named "fone". fone is a Voice Chat app that allows users to call their Facebook friends for free, wherever they are, on iPhone, iPod or the Web. Built specifically to improve the Facebook chat experience, Facebook Messenger connects millions of Facebook users through VoIP so they can talk to one another. Additional features allow users to send pictures, browse message history, view a friendâ€:tm:s wall, use emoticons, receive instant replies with Apple push notifications.