 P3 Prepared, Protected, emPowered is an interactive smartphone app for HIV-uninfected YMSM and YTW that utilizes social networking and game-based mechanics as well as a comprehensive understanding of what constitutes best practices in app development to improve PrEP adherence and persistence in PrEP care. Built on a successful, evidence-based platform designed and tested by our collaborating technology partner, Ayogo, P3 is flexible and responsive to changes in technology. This flexibility will also allow us to quickly respond to and modify our intervention to align with emerging PrEP practice standards and guidelines. 