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iOS 8.2後無故加速耗電,你需要關閉這個無用的功能! https://qooah.com/2015/03/11/ios-8-2-battery-life-trick/