Know- here. Deleting the Cash App mobile app won't delete your Cash App account. You need to delete the account using the Cash app first. But, before you can do this, you need to make sure you've transferred all funds out of your account. By following the direct link from this section one can easily able to grab the proper information to delete cash app account.
Open your Cash App account and click on Profile Icon.
Then tap on Support and scroll down to find Something Else option.
Click Account Settings and then choose Close Account from the menu.
You will be required to enter some information before you can Confirm the action to delete the account.
Hope you find this helpful, J Wick