Digital platforms that encourage users to recommend goods or services to their personal networks are known as refer-and-earn apps. These apps work by giving users special codes or redefine slotsferral links to distribute to friends, family, and followers on social media. The referring user gets paid when a referred person uses the given link or code to make a purchase or sign up for a service. These apps are used in a number of sectors, such as food delivery, finance, and e-commerce. They provide an arrangement that benefits both businesses and users.