With all the bills and expenses of daily life, most of us need to follow some sort of budget. With Expense View for the iPhone, you can post your expenses as they happen and then track and analyze your money on the ExpenseView.com Web site. You'll need to register to use this application, but fortunately it won't affect your budget: It's free.
iPhone Link: http://www.expenseview.com/gadgetLogin.aspx
Web site link: http://www.expenseview.com