inHand invoice is an iPad app for invoicing, time billing and expense tracking. You can organise your billable hours or items for each job you work on, and can sort the time by categories which you define. inHand invoice comes preloaded with categories for Architects and it is easy to create your own set of categories. inHand invoice supports billing in multiple currencies, and different tax rates for different categories of work. You can create invoices as you work, at the end of a job, or on a monthly basis. Invoices can be printed from the iPad or sent by email to yourself or clients.