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.
WhatsApp 加入「變更號碼」,換電話號碼不怕丟設定! https://qooah.com/2013/07/17/whatsapp-change-number/