AppPrizes is a platform that allows app developers to increase user engagement and retention by offering prizes and incentives for users. It provides an easy-to-integrate iframe that allows users to participate in contests and tournaments to win real prizes. This solution has increased user engagement by up to 43% and page views by up to 89% for apps that have integrated it, while also doubling time spent on apps and revenue by 75% for publishers. AppPrizes handles all prize fulfillment so it provides an easy way for developers to build long-term user loyalty and monetization.