The referrer earns travel credits that can be applied to subsequent bookings when someone signs up using their link and completes a reservation. This has proven to be a successfustatta kingl strategy for Airbnb to increase its user base while encouraging current users to recommend others. Also, Cash App, which gives users the chance to get paid for referring friends to download the app, has become one of the most popular refer and earn apps of 2024. Users of the Cash App receive a special referral code that they can distribute to others.