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.
iOS5.1正式版已可下載! JB的朋友, 不要衝動喔! https://qooah.com/2012/03/08/ios51-released/