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.
Swift(스위프트): iOS 단위 테스트(Unit test) 및 UI 테스트 튜토리얼 http://yoonbumtae.com/?p=4020