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.
又快一點點,iOS 8.3 比 iOS 8.2 再令舊機運作更暢順! https://qooah.com/2015/03/14/ios-8-3-vs-ios-8-2-on-iphone-4s-5/