Use the built-in camera app on your Android device to scan a quick response (QR) code, or use a code scanner on older models.

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.

QR codes are so popular that nearly every device with a camera lets you scan them. Here's how to do it with your phone, tablet, or computer.

QR codes are links that can be scanned using various smartphone apps. You'll find our favorite apps for scanning QR codes for both Android and iPhone.

Your Android or iPhone can probably already scan QR codes. Here's how to do it no matter what phone you have.