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.
有吃有睡 ... https://cat-sky.tw/2017/03/28/%e6%9c%89%e5%90%83%e6%9c%89%e7%9d%a1/