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 9.0 正式版將於今晚推出,我需要準備些什麼? https://qooah.com/2015/09/16/get-ready-for-ios-9-upgrade/