Billings Touch: Handle Your Invoices on Your Phone

From the Page: All in all, the iPhone application is easy to use. The interface is easy to work with: while I wouldn't want to have to site down and type out a whole stack of invoices in one go, Billings Touch is perfect if I need to time a project, update a client's expenses or get an invoice out right away. And that's just the iPhone version. The computer version is equally easy to use, and...