Web:
We offer payments via Sofortüberweisung, credit card, and PayPal.
Here's our website, where you can get your subscription:
iOS:
If you buy through the iOS app, you have to use the payment methods Apple offers. Unfortunately, we have no influence on that.
Apple Pay, credit/debit card, PayPal, and mobile phone billing are offered.
Which one you use is set in your Apple ID.
You can read how to change, add, or remove your payment method there here:
Android:
If you buy through the Android app, you have to use the payment methods Google Play offers. Unfortunately, we have no influence on that.
You can read which payment methods are offered and how to add, edit, or remove your payment method in Google Play here:
