With moey! you can transfer money at no cost to whoever you want.
You are entitled to free transfers between moey! clients, MB WAY users and also SEPA area transfers.
You are also entitled to a further 40 immediate transfers per month.
If you were charged a commission its probably because you did more than 40 immediate transfers in one month.
When you do your 41st transfer you’ll be warned that you’re incurring a 0.50€ commission.