You will pay for the app and any additional subscriptions through the iTunes Store and the payment methods available are set out by iTunes store. Certain countries restrictions and rules apply. 

iTunes Store Payment Options

  • Credit cards
  • Debit cards
  • Content codes
  • Store credit, including iTunes Store Gift Cards and Gift Certificates
  • PayPal (requires a credit card as a linked method of payment)
  • Mobile phone billing (through supported carriers)

**The Information above is directly from Apple

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