talkie walkie free is truly amazing, you can learn foreign language by speaking it with your family or friends in a great way !!
This application is very small, has no much effect on battery usage or connection data ( Kb ) , only you have to use any available WiFi hotspot or create a mobile access point on one device and connect all other devices to this access point , so it's easy , Right ?
Features on this latest version is , small size, touch to start , save data !!
Enjoy using Walkie talkie Wifi For free ;)