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.
書展之後 https://www.krt.com.hk/post/12304/%e6%9b%b8%e5%b1%95%e4%b9%8b%e5%be%8c/