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.
Test test ~ 分享測試 ... https://cat-sky.tw/2015/12/11/test-test-%e5%88%86%e4%ba%ab%e6%b8%ac%e8%a9%a6/