You used to need a third party app to scan QR codes, but now the feature is built right into iOS.

Best iPhone QR Code Reader App The free Quick Scan – QR Code Reader is a full-featured app that can read QR codes out in the world and from images in your photo roll.

QR codes aren't going away anytime soon. Here's how to make your own.

QR codes can house a whole lot of data, from the URL of a webpage or service, to where to directly download an app. Here's how to scan them.