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.
升級完 iOS 9.0 後變Lag了?試試這三個簡單的提速設定吧! https://qooah.com/2015/09/21/speed-up-ios-9/