Businesses looking to grow their user base and improve customer engagement through referrals commonly use refer and earn apps. A refer and earn app's main function is to give each user a special code or referral link that pci slotsthey can share with others. The person who referred the new user gets paid a set amount when they sign up using this link or code. Depending on the app, the type of these rewards may differ and could consist of money, gift cards, free goods or services, loyalty points that can be redeemed for different advantages, or any combination of these. Also, certain refer and earn apps provide bonuses or first-purchase discounts to entice new users.