To change or update your payment method please follow these steps:

For App store users (iPhone): 

1. Open your App store and click on the icon in the top right corner of your screen. 
2. Click on your name and this will open up your Account Settings. 
3. Once here go to Manage Payments, you can either edit your payment method or Add Payment Method. 

For more support click here.

For Google Play store users (Android): 

1. Open your Google Play store and go to your Account Settings. 
2. Once here click on your Payment Methods so you can edit or add a new payment method to your account. 

For more support click here.