End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
iOS 7 小改善14:即查每個App的數據用量,可獨立封鎖! https://qooah.com/2013/06/18/ios-7-data-usage/