FreshBooksThe system can be used to create and send invoices and estimates and to check invoice statuses to see if a client has viewed or paid an invoice.
Users can capture photos of expense receipts and upload them and run the time and track time. They can also compare time tracked against project budgets. Address book contacts can be turned into FreshBooks clients so that they can be invoiced via a single click.
Price: FreshBooks for Android. Free download on Google Play, https://play.google.com/store/apps/details?id=com.freshbooks.android