You have access to your billing history when you log in to your account. In the billing history you will be able to see the services you request and the cost. There is a detailed view with all the information from start to finish of the booking and a more compact view.

1. In the menu push on bookings to find a list of the services you booked.
2. Find the booking you are looking for and tap on it.
3. Here you will see the detailed history of that booking, price and date.
4. Push on the invoice icon for a more compact version of the invoice