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.

Gadgets How to Create and Scan QR Codes on Any Device QR codes aren't going away anytime soon. Here's how to make your own.

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.