Angels are able to choose their own hourly rate, so it can be different per Angel. The hourly rate varies between approximately €8 and €15 per hour, it does not matter how many kids you have. The hourly rate stays the same, whether you have 1 or 3 kids.
You also pay the subscription costs and booking costs. The subscription is €13.99 per month and the booking fee is €1.99 per booking + €0,12 per hour insurance costs.