Establishing credibility, providing value, & facilitating their ability to benefit from your referral offer are crucial. Apps that allow users to successfully refer others to the app can offer a varietyplay real cash money slots online of incentives and rewards. These incentives may take several forms, such as: 1. Points: For every successful referral, many refer and earn apps award points that can be accumulated and exchanged for discounts, gift cards, or other in-app purchases. 2. . Cashback: A portion of the money that friends spend on the app is given to users as a reward when they use one of the apps' referral incentives. 3. .