QR codes are links that can be scanned using various smartphone apps. You'll find our favorite apps for scanning QR codes for both Android and iPhone.

QR App is simple. Very simple. QR App QuickMark Although this is a short list of QR code readers, QuickMark takes the top prize. It's full-featured, easy to use, and best of all, it costs just $0. ...

In terms of privacy, QR codes can’t actually store data—they just display it. How much information about yourself you’re giving away depends on the app you’re using to scan.

To date, QR codes have been successfully embedded on websites and in magazine ads, direct mail, coupons, email marketing, billboards, in-store advertising and contest entry forms.

QR codes are an alternative to Quick Share's normal modus operandi, which involves the originating device detecting nearby Android devices, Chromebooks, and (in some cases) Windows PC.

Your smartphone is full of surprises. There’s an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them ...

China's QR code quarantines rely on low-tech implementation. While some local governments are all in on using these systems, others are ignoring them.

Making your own QR codes is easy if you have the right app. Embed them with text, links, and even passwords. Use one of these to get started.

The QR codes appear on mail statements for Chase Slate cardmembers. Chase has used a variety of marketing channels in the past to promote its app, including television, print and mobile ...