Refer and earn apps are a popular and economical way for businesses and startups to get new users and customers. By receiving incentives for recommending these apps to their friends and family, users can gain from them. Refer & earn apps are utilized by a broad spectrum of hotel saverabusinesses, such as financial services, ride-sharing applications, food delivery services, and e-commerce platforms. These apps are usually easy to use and give users a simple way to recommend contacts. Refer and earn is a strategy for acquiring new customers that works on the premise that people are more likely to believe recommendations from friends and family. Businesses and users benefit from this strategy in equal measure since it allows companies to reach new clients at a reduced cost & gives users incentives to share apps they value.