Do you want to pay for coffee without tapping a grimy screen? Here’s how to use your iPhone or Android phone to scan QR codes.

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.

Snapchat – Snapchat lets users scan Snapcodes, a type of QR code unique to the platform, to add friends quickly. Twitter – Twitter's QR codes make it easy to search, and then follow other users.

There are three different ways to scan QR codes on your iPhone, each with its own advantages. Here's how to use them and why you might want to pick one over the others.

Learn how to scan QR codes on your iPhone or iPad using the Camera app or Code Scanner. Quick, easy, and efficient methods explained!

Image | QR code Caption: A woman holds a smartphone to scan a QR code for contactless payment in a restaurant. QR codes are being used by businesses and brands for everything from payments and ...