If you’re a freelancer, consultant, contractor, lawyer, tutor or salesperson, you probably bill by the hour.  In addition to tracking your materials and travel, you also need to keep track of time.

While it may seem like an easy task, many of us aren’t so great at keeping track of our billable hours. Well, we’ve found a wonderful new tool that will help you track time and even send invoices...right from your iPhone or iPod Touch. And you don’t even need to be online in order to use it!