You can add payment methods and remove payment methods for your subscription anytime.
Mobile
1. Select the three bars and log in

2. Click "Subscriptions

3. Click "Address & Payment Details

4. Click "Manage Payment Methods"

5. Click "Add payment method"

6. Fill out the information then select "Add payment method"

7. You can see your new payment method at the top

Desktop
1. Log in and select your name
2. Click "Subscriptions"
3. Click "Address & payment details"
4. Click "Manage payment methods"
5. Click "Add payment method"
6. Fill out all the information then select "add payment method"

7. You will see your new payment method here
