You can scan a barcode with your iPhone by using a third-party app. Currently, there are no built-in apps that can read ...
You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.
QR codes make it possible to scan an image with your phone’s camera to open a link. In the early days of Android, the easiest way to post links to Android apps was with QR codes, which is why older ...