You don’t need an app for this —your phone can do it already. You don’t need an app for this —your phone can do it already. The humble QR (or Quick Response) code has become ubiquitous. Invented back ...

I am going to walk through how to unlock that hidden scanner in seconds on both iPhone and Android, then show practical ways to use it for shopping, travel, work, and security. Once you know where to ...

As announced in May, Google has given its default QR code scanner on Android an appreciable redesign. Upon launch (via the Quick Settings Tile or lockscreen shortcut), there’s a nice animation of the ...