Cash App is primarily known as a peer-to-peer money transfer application. If the truth to be told, in the US there are so many peer-to-peer payment apps. So, the big question is- what makes the Cash App a different payment app from others? Answer is simple. Unlike the other common payment apps, Cash App lets the users to invest their money in stocks and Bitcoin. Also, Cash App could be used for business purposes. Above all, Cash App helps its users to pay taxes as well. In accordance with total selling and buying of Bitcoin, stocks and payments, users can download and fill up Cash App tax form.