How to scan QR codes in iOS 12
<p style="white-space: pre-wrap;">iOS 12 supports QR codes. A QR code (quick response code) is a type of 2D bar code that is used to provide easy access to information through a smartphone. In this process, known as mobile tagging, the smartphone's owner points the phone at a QR code and opens a barcode reader app which works in conjunction with the phone's camera.</p>