To change your payment method in the app:
1. Select the ‘Account’ icon located at the top-right corner of the app.
2. Select ‘Payment methods’.
3. Then, select ‘Add a credit or debit card’ to add a payment method to your account.
To remove a payment method:
1. Tap the trash icon () beside the payment method you would like to remove.
2. Then, select ‘Delete & disable’ to delete that payment method from your account.