The popular coin-counting service, Coinstar, is great for people who just want to get rid of their spare change in return for a cash back minus a small fee.
The company operates vending machines at supermarkets such as Walmart where people frequent for shopping.
What you may not have known, although Coinstar has been doing this for several years now, is that its machines can take your loose coins and spill out a receipt with an iTunes redemption code that you can use to refill your iTunes balance...