A smartphone app that pays users for recommending it to their friends is known as a refer-and-earn app. Usually, these apps use a referral systemslots games free bonus in which users get a special code or link to share. The original user receives credit for referring others, and this credit can be exchanged for gift cards, cash, or other incentives. Refer-and-earn apps are a cost-effective marketing strategy used by businesses to grow their user base.
