The short answer
Dlubal CALC accepts the following payment methods: PayPal, card (Visa, Mastercard, American Express, and JCB), direct debit (SEPA Direct Debit), and Amazon Pay. You choose your payment method during checkout in the "Payment method" section.
Payment methods
PayPal
Card: Visa, Mastercard, American Express, and JCB
Direct debit (SEPA Direct Debit)
Amazon Pay
Choosing a payment method
You choose your payment method during checkout in the "Payment method" section.
Note on paying by SEPA Direct Debit
With SEPA Direct Debit, it can take 5 to 7 business days until your payment is confirmed and your plan or credits are activated. This is due to the processing times of the banks and our payment service provider.