How to scan a QR code on iOS
- Open the Camera app from your device’s Home screen, Control Center, or Lock screen.
- Hold your device so that the QR code appears in the Camera app’s viewfinder. Your device recognizes the QR code and shows a notification.
- Tap the notification to open the link associated with the QR code.
Or you can visit this link in your browser: https://itunes.apple.com/us/app/trader-chat/id1086318094?mt=8