Here's how to scan a QR code on your iPhone or Android phone. Many phones have QR code scanners, but if yours doesn't, we also recommend some apps to help.

Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using iPhone or Androids.

Most of the time, QR code scanning is built-in to camera apps on iPhone and Android phones, so learning how to scan a QR code is simply a case of pointing your phone’s camera at your chosen code.