A special referral link or code is given to users upon enrollment in the refer and earn app, which they can then share with others. The referring user is rewardrummi olaed when someone downloads the app using that link or code, completes a specified task (like making a purchase or hitting a milestone), and so on. distributing links for referrals. Users of these apps are frequently given multiple options for sharing their referral links, including email, messaging apps, & social media.