Talkatone

Talkatone is a smartphone app that enables users to make free phone calls and SMS texting via WiFi or 3G connection.

Talkatone is the only service that allows unlimited free calls and texts on your iPhone, iPod Touch and iPad via WiFi or 3G connection.

Founded in late 2010, it helps people to utilize Internet on mobile devices for real-time communication. Users have the ability to call and text their friends for free on iOS4-compatible devices - and not just other Talkatone users, but plain old phone numbers as well.

Talkatone enables real-time sharing on mobile devices. It's initial product allows users to see each other's location on the map, updated in real-time.

Founders:  Danis Dayanov, Dmitry Svetlanov, Vadim Tsyganok

Website