Apps to make all your shopping smooth
much easier — or less painful — by finding the best prices on popular items, locating a hard-to-find gift at a nearby store, or even suggesting what to get your crotchety old aunt. The best apps are as useful inside the mall as for shopping online. They blend barcode scanning and text input and use GPS and other location technologies so you can compare products between online retailers and brick-and-mortar stores. They also organize coupons according to your location and weed out expired deals.