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.
無須邀請功能再增強,Google 新Gmail App「Inbox」全面開放使用! https://qooah.com/2015/05/29/google-inbox-open-to-all/