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.
掌上明珠(嗎?) https://cat-sky.tw/2013/07/29/%e6%8e%8c%e4%b8%8a%e6%98%8e%e7%8f%a0%e5%97%8e%ef%bc%9f/