Want to know which voice calling app will eat most of your data plan? Find out here: http://www.andr…

Want to know which voice calling app will eat most of your data plan? Find out here: http://www.androidauthority.com/voice-call-data-comparison-598541/

We investigate popular voice call over data apps, including Hangouts, Skype, WhatApp and Viber, to see which ones consume the most of your data plan.