Cash app is a reliable source of money transfers and exchanges over the Internet. Refunds from any merchant can take up to 10 business days. As soon as the payment application receives a cash app refund. it will automatically send it to the balance of the cash register application. Between this ten day period, if you have any questions, you can contact the institution directly for a better solution. If, on the other hand, you would like to know how to get a cash refund. You can speak to customer service representatives, However, you can visit this website for full information.