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.
聰明包包 ... https://cat-sky.tw/2016/12/08/%e8%81%b0%e6%98%8e%e5%8c%85%e5%8c%85/