Frustrated? Overwhelmed? Don’t know how long does Cash App take to deposit stimulus check? Not an issue. Many new Cash App users don’t know about Cash App stimulus check time. Be informed that Cash App takes 4-5 working days to process the payment through stimulus checks. However, the actual time might increase or decrease, depending on when IRS sends the payment. If you don’t want to take a risk with your stimulus check then make sure that you enter the details correctly while applying for the stimulus check on Cash App