Amazon’s Price Check looks like a helpful app if you still have some Christmas shopping to do — as well as just being useful in general.
Here’s the first part of the description:
Ever wondered if you were getting the best price on a product when you were out shopping? With Price Check by Amazon, you can use your iPhone to instantly compare prices with Amazon.com and its merchants while on-the-go. Price Check enables you to search Amazon products quickly using barcode, picture, voice, and text search. All prices are in US Dollars and search the Amazon US catalog. Compatible with iPhone 3Gs and iPhone 4 devices with auto-focus cameras and iOS 4 or greater.
Price Check by Amazon provides access to Amazon.com product descriptions and customer reviews to guide you in making informed purchase decisions. When you find a low price while using the app, simply log into your Amazon account to complete a secure purchase. Price Check by Amazon supports 1-Click check-out and Prime memberships.