ShopSavvy, Barcode Scanner (by the ZXing team), and CompareEverywhere (an Android Challenge winner) are three free shopping applications for Google Android poised to help you find the best deals in town and online.
At their core, they're nearly identical, using the phone's camera to auto-focus on a barcode. That barcode is then matched to a product using an open source decoding library, ZXing, that was developed by Google engineers last year. (You can also search by product name.)
While these shopping apps share a back end, the front ends are distinct. Unfortunately, they all produced varying results that … Read more