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.
中文培优项目 https://ci.ioe.ac.uk/%e4%b8%ad%e6%96%87%e5%9f%b9%e4%bc%98%e9%a1%b9%e7%9b%ae/