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.
스마트스터디, 2019년 매출 1,000억 돌파.. 영업이익 347억원 https://wowtale.net/2020/03/24/12004/