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 프로그래밍: 색상 선택기(Color Picker; 컬러 피커)를 앱에 추가하기 http://yoonbumtae.com/?p=2318