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.

The iOS app screen shows all the apps installed on your iPhone—or does it? There’s actually a hidden QR scanner app on all iPhones running iOS 14 that you can’t normally find in the app ...

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.