Cash app is a digital money transaction app, so that's the explanation Cash app won't let me send money in cash at a restaurant. But, in case you want money in cash, then you can withdraw it from any ATM that accepts Visa debit card. Just as, you can send money to any recipient by utilizing their versatile number, email address, or record. https://www.email-contactsupport.com/blog/cash-app-wont-let-me-send-money