The perfect way to keep track of your spending. This app really reduces the risk of nasty surprises and you can set up multiple budgets and sync everything via iCloud.

Pennies App

It really helps you when you're shopping, as you just need to quickly update it when you've brought something.

Everyone should have some sort of monthly budget, and I think this app is the best way to manage it. It's all so easy and it's right there when you need it.