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 8.3加入超方便功能:下載免費App不用輸入密碼! https://qooah.com/2015/03/22/download-free-apps-without-password/