Cash App is the easiest way to send, spend, save, and invest your money. It's the SAFE, FAST, and FREE mobile banking* app. *Banking services provided and. Cash App also functions similarly to a bank account, giving users a debit card — called a “Cash Card” — that allows them to make purchases. You can use the Cash App card, called the Cash Card, at retailers in the US that accept Visa, and to withdraw money from your ATM without an. The app would get a much higher rating from me if those two options were permanent options that we could choose from. Visit Business Insider's homepage for more stories. Instantly send and receive money from friends. Your BTC arrives in your app instantly. This is incredibly useful for splitting meals, buying concert tickets, chipping in for group presents, and more. Cash Applike Venmo, is a peer-to-peer payment app that allows you to pay your friends as well as request cash app debit card from them. Read more.