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.
[Cydia] 如何讓 iOS 6 "變成" iOS 7 https://qooah.com/2013/06/19/make-ios-6-look-like-ios-7/