Every time you make a purchase, you can choose to use the same card or payment method, or you can add a new card. If you do not want your credit card saved for future purchases in Flytrex, simply uncheck the “Save this card for future Flytrex payments” box at the bottom of the payment methods screen.
To change your credit card details, navigate to the checkout page and tap +Add. To remove your current credit card, tap "edit" in the right hand corner of the pop-up and then tap the red "x" on the credit card you wish to remove.