Hi toto,
We are not from Belgium but from Switzerland, in a city called La Chaux-de-Fonds.
We speek french.
The price for KillApps is 2€ for 1 licence. If you buy several licences, you'll have discount price.
You can pay with several methode but the most popular is Paypal.
Go to www.killapps.com and, in the left menu, click on "Buy now" to know the price