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 中的核心應用 App「Healthbook」 真介面曝光? https://qooah.com/2014/03/19/ios-8-app-healthbook-screenshot/