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.
沒聽錯! ... https://cat-sky.tw/2016/11/16/%e6%b2%92%e8%81%bd%e9%8c%af%ef%bc%81/