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 8.0 不受歡迎?首日升級率少過 iOS 7.0 一倍! https://qooah.com/2014/09/19/ios-8-less-adoption-than-ios-7/