In vPlan you can always find all information about your subscription and all invoices. Follow these steps to view your invoices:
In the left menu bar of vPlan, go to Settings
Then go to Subscription in the same menu
In this screen you will find all information about your current subscription on the left. At the top right you will find the next invoice. The prices are explained here. First your subscription costs, then a possible integration, total price excluding VAT and at the bottom the total price including VAT.
Below you will find all your historical invoices. Here you can see which invoice it concerns and when you received this invoice. You will also see the amount of that invoice, the payment method and the status. At the end of the line you will find a button to download the invoice.