Best digital coupon apps

Reported by NBC via WCMH

Every time you go to the store, there are mobile opportunities to save money -- if you take advantage of them.

-Coupon Sherpa uses GPS to figure out where you are and shows you discounts and coupons for stores nearby.

-Grocery IQ is a shopping list but it works with coupons.com to suggest savings. you can even use the app's barcode scanner to add things to your list, but some of the coupons you have to e-mail to yourself and print, and that involves downloading a "coupon printer" application.

-Yowza finds local deals and then displays a u-p-c code on the screen so the cashier can scan your discount on the spot.

-Amazon Mobile doesn't actually kick out coupons, but you can use the app to scan a barcode and find out if another store in the area has the same item cheaper or if it's available online.