Seen those funky little QR (quick response) bar codes floating around and wondering how to scan them on your iPhone or iPad? QR codes are used to store useful information like web URLs, contact cards, e-mail addresses, etc... While QR reading isn't built into iOS, there are, of course, apps for that.

  1. First you'll need to get an app that reads QR codes. There are tons in the App Store. Some are free and some are paid. In this example, we are using a free app called RL Classic by Occipital. Others include [QR scanner](http://itunes.apple.com/us/app/qr-scanner/id377643590?mt=8&at=10l3Vy&ct=d_im){.nofollow} or [QR reader](http://itunes.apple.com/us/app/qr-reader-for-iphone/id368494609?mt=8&at=10l3Vy&ct=d_im){.nofollow} and tons to choose from will come up. Take your pick and download one.
  2. Next you'll need to find a nifty code to scan and open the app. It should pull up something just like above where you can scan a code using your camera app. Apps like RL Classic don't require you to take a physical picture - simply center the QR code in between the bars and it should pick up on it.
  3. Next you'll get some type of prompt showing you the information in the QR code. In this example it's a web URL. I can just tap to visit the URL or cancel and it will save it to my history.

That's it! You can now scan all those handy QR codes you see floating around in magazines, books, stores, and more.

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