RecruitingPhase 2Device studyPrEPsmart 2-1-1 PilotThis is a pilot study to assess the feasibility, acceptability, and preliminary effectiveness of pre-exposure prophylaxis (PrEP)smart among cisgender sexual minority males (SMM) taking on-demand PrEP over a 6-month period. Upon project completion, the investigators will have developed a highly innovative tool to support men who have sex with men (MSM) using on-demand PrEP ready for testing in a larger efficacy trial