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.
最強iOS 7 版電池+系統監控+優化App,還可以釋放記憶體提升效能! https://qooah.com/2014/02/14/battery-for-iphone-ios7-review/