You can scan a barcode with your iPhone by using a third-party app. Currently, there are no built-in apps that can read ...

What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

Using these self-hosted services has been made easier and more convenient thanks to their Android apps and shortcuts.