Use Code Scanner on iPhone to scan QR codes and seamlessly navigate to the destination link. Use the Camera app to scan codes in record time since the camera is just a swipe away, with QR code ...

Some developers would lead you to believe you need to download their app to scan QR codes. Spoiler: Your phone can do that with built-in features.

However, more login options are now available, including scanning a QR code with your phone in the app or sign in confirmation.