Key Ring allows you to get rid of all the store cards hanging on your key ring. You simply take a picture of your rewards card and store it in the app. Then when you get to the store pull up your store card on your smart phone and scan it at the register.
It is available for Android, Blackberry, Iphone and Windows phone. That should cover almost everyone.
So check out Key Ring today. You can get rid of all those cards and still save money!
Thanks A Frugal Chick!