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.
[Cydia] 如何讓系統內置相機App擁有QR Code掃瞄能力? https://qooah.com/2013/06/19/nativeqr/