CallBar new app launched for iOS devices now can use menu interface while on incoming call

New App has launched for iPhone users they can use iPhone menu while they are on talking to any one..
CallBar is a new app for iPhone through which you can used menu interface while you are on incoming call.

Compatibility:-

CallBar supports on phone, Skype, FaceTime, 

It is compatible with all iOS devices and firmware should be 4. x or above



Source: iclarified