Description:Let us show you how to use Amazon's barcode scanner on your iPhone.
When you're out shopping for gifts this holiday season, you'll want to be sure that you're not paying more for your purchases than you need to. Amazon's barcode scanner app easily lets you look up any product you find in a store on Amazon's website, showing you their online price. Sometimes it'll be cheaper to buy it on Amazon, and you might just find yourself saving a bit of money!(2:29)