AdtoApp is an SDK that optimizes app monetization by selecting the best performing ad networks to maximize fill rates and eCPM. It analyzes data from multiple networks to choose the rotation that generates the most revenue. In a case study, an app saw over 50% higher revenue by using AdtoApp compared to single networks like AdMob, Chartboost, and AdColony. AdtoApp guarantees 100% fill rates and promises to increase app publisher profits through its automatic optimization of ad networks.