Avoid downloading third-party apps to scan QR codes.

QR codes was the new marketing tool on the block years ago, but as folks discovered, not everyone had a QR code scanner on their phone to use them. Nor was it easy to get a QR code scanner to use them ...

Add Yahoo as a preferred source to see more of our stories on Google. iPhone (iOS 11 or later): Launch the Camera app, frame the QR code, and tap the notification. The Control Center can have a ...

Nothing ruins a recent purchase quite like finding lower prices online as soon as you bring it home. With one of these barcode-scanning, price-crunching smartphone apps, that never has to happen again ...