Apps such as RedLaser and PriceGrabber make it easy
to scan bar codes in stores while you’re shopping to see if the item sells for less elsewhere. SaleSorter and Shopular help you locate nearby discounts while you’re out browsing. The RetailMeNot app lets you carry coupons on your smartphone and scan them at checkout, eliminating the need for paper coupons.
2. Manage money with the help of online tools.