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 再被揭存嚴重漏洞,Telegram 保安又勝一籌! https://qooah.com/2017/03/16/whatsapp-telegram-vulnerabilities/