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 11 比拼 iOS 10 !! 全線 iPhone 升級前後速度鬥一番 https://qooah.com/2017/09/21/ios-11-vs-ios-10/