Robinhood, a commission-free stock trading app that gives users the chance to earn free stocks for inviting friends to join the platform, is another excellent refer and earn app. When a referee joins up and connects theislots free onliner bank account to the app, both the referrer and the referee are eligible to receive free stocks through Robinhood's referral program. A well-known peer-to-peer payment app called Cash App also has a referral program where users can get paid for referring friends who download the app and send money. Users can share their referral code with others and receive rewards for each successful referral with the Cash App's easy-to-use interface.