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.
經常擠成一團 https://cat-sky.tw/2015/02/11/%e7%b6%93%e5%b8%b8%e6%93%a0%e6%88%90%e4%b8%80%e5%9c%98/