Is there also a mobile payment option?

Yes, of course there is! KBC and Bancontact have both developed an app to enable very easy mobile payment. You can read more about this on the following pages:

KBC : https://www.kbc.be/retail/en/products/payments/self-banking/on-your-smartphone/mobile/payments-and-transfers.html?zone=topnav#webshop
Bancontact : https://www.bancontact.com/en/bancontact-app/pay-online

You can also complete mobile payment via iDeal.