The only problem is, many of those QR code-reading apps for the iPhone just don't do a good job. That prompted me to sift through more than a dozen QR code readers to find some of the best. I came ...

If you're using an Android device, here are five of the best QR code scanner apps to download.

A Barcode Scanner App With Millions of Downloads Goes Rogue After an update in December, the app began infecting Android devices, bombarding users with ads on their default browser.

Barcode (Free): This app scans Data Matrix and QR code and the main drawback with this one is that you will have to select the code type every time as it lacks the auto detecting feature.

QR & Barcode Scanner Next, we have the QR & Barcode Scanner app. This one is going to accomplish pretty much the same means as the others on our list, allowing you to scan a variety of QR codes.

Barcode scanner applications are usually quite simple, and have one purpose. Still, some of these apps offer more than others, and then there’s the design aspect to consider, as not many of them ...

It’s quite easy to setup, after downloading and opening up the app, just allow the Camera permission, but from there, you should be able to scan just about any QR code or barcode you can find.

Barcode Reader app compares prices on the fly Want to know if that CD you're about to buy is cheaper online? Point your iPhone at the bar code and in seconds this app will look up competing prices.