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.
iOS 5.1 將豐富備忘錄(Notes)的編輯功能? https://qooah.com/2012/02/19/ios-51-notes-rich-text/