For that kind of functionality, you have to stick with Apple Pay, Google Pay, or Samsung Pay. Disappointingly, it doesn't offer a contactless way to pay Square card readers at local merchants. The app is similar to Venmo, letting you pay and request money from friends. The company also has a mobile payment app simply called Cash (we'll stick with calling it Square Cash here, for clarity). Most of us are familiar with Square as the company that makes those white credit card swiping machines used by many cafes and small merchants. Best Malware Removal and Protection Software.