Many cash app users don't know how to add a bank account to cash app . If you can add bank account to cash app is very simple process of connecting a bank account . First of all , you can add your debit card to the cash app . Second method is login to your bank account using cash app and add your bank account .Thirdly and most important you can link to your credit card as well .If you have any issue related to debit card and credit cards then you can contact for support from the authorized banks in the United states .