The best solution for keeping track of the paper money in your wallet. No more ‘do I have enough money?’ Are you teaching / learning about money? Young and old, challenged friendly, Change 4 U tracks the paper money in your wallet (after input) and tells you what bills to give the clerk, and what you should be getting back. No more guessing did I get the right change, this app will tell you what to expect and adds the paper money back into your wallet! Easy to update wallet, parents can also use this app to teach shopping skills! Perfect for special needs handling their own money!