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 7.1能提升舊置速度太吸引,升級速度爆增! https://qooah.com/2014/03/12/ios-7-1-adoption/