Activate Cash App Card You can add funds to your card. Enter in the amount that you'd like to add or tap the small grey "X" at the top-right of the screen to exit. Once you place the order for your Cash Card, you will have to wait 10 business days for your card to arrive. Remember, that you need to be 18 or over to order a Cash Card. https://www.apple-supportphonenumber.com/blog/activate-cash-app-card