Cheapest rates in the market now also available on your Mobile phone. Install the Mobilevoip app and use your Voipstunt account to make cheap calls via Wifi or 3G Check out some of the features; - works on IOS, Android and Symbian - save up to 90% on your phone bill - send cheap SMS So download the MobileVoip app, login with your Voipstunt username and start calling your contacts at the cheap Voipstunt rates. Using our app as a default dialer may interfere with dialing 911 emergency services.