Purchases made in Nonstop Knight are processed by Apple's iTunes and the Google Play Store.
Available payment methods are limited to the options which are offered by iTunes and the Play Store and therefore may vary by the country you are living in or the phone provider you are using.
In general, the following payment methods may be available to you:
- Credit or debit cards
- Direct carrier billing
- iTunes cards
- Prepaid or gift cards
- Store credit (including Allowance Account balances)
For further information on payment methods available to you, please contact the iTunes or Play Store support directly.