In recent years, refer and earn apps have become more and more popular as a way for businesses to market to potential clients and as a way for users to get compensated for referring friends anrummy all listd family to products or services. Utilizing a special referral link that users can share with their contacts, these applications work. The user who referred someone gets rewarded when they sign up or make a purchase using this link. Depending on the exact app and business providing the program, rewards can differ and could include money, gift cards, discounts, or other incentives.