There are usually several sharing options available, such as email, text messaging, and social media platforms. The app may use bonus structures or tiered reward systems for reaching predetermined referral targets in orgame appsder to promote continuous engagement. User motivation and involvement in the referral program may increase as a result of this gamification feature. The Refer and Earn model, which uses current users to reduce acquisition costs while concurrently rewarding user loyalty, is an example of growth hacking in the mobile app market. Apps looking to quickly grow their user base in cutthroat markets may find this strategy especially useful.