After using the Cash App payment app for the last 7 years, I surely can say that Square Cash App is one of the best payment apps available in the US. Some unique features like investment, direct deposit, and a Cash App card make this payment app better than all other money transfer applications. In addition to the Cash App features, customer service is also highly appreciable. Whatever is the problem you are facing you always can dial the Cash App phone number. Urgent help from Cash App customer service is also accessible via email and live chat support. cash app customer service