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.
スパーク! https://www.tensenkougei.com/2018/08/04/%e3%82%b9%e3%83%91%e3%83%bc%e3%82%af%ef%bc%81/