InvoiceOcean is a simple and easy to use invoicing and accounting app. It allows you to be able to photograph your documents and file them as expenses. You can also generate new invoices and send them as PDFs with just a few swipes. Another feature is the ability to track your income and expenses from InvoiceOcean's financial dashboard within the app.
The app also allows you to register, log in and pay for your account directly form within. Don't worry - the first 30 days are free!