How To Change Your Card On Cash App? If you genuinely have any desire to change the card related with your money application, you should go into the "My Money" part of the application and select the "Add Bank" choice. Beginning there, you will truly have to add another charge or Mastercard. In the event that you as of now have a card related with your record, you can essentially pick the "ChangeCard" choice. Definitively when you have sought after your decisions, endeavor to hit "Save" to report the changes.