RecruitingClinical trialPositive Peers Intervention Clinical TrialThe goal of this clinical trial is to learn if the Positive Peers mobile app intervention increases rates of viral suppression in young (13-34 y/o) persons with HIV. Does use of the Positive Peers app improve viral suppression among young minority persons with HIV? What user characteristics are associated with a) viral suppression, b) retention in care, and c) perceived HIV-related stigma? Participants will: * download the mobile app onto their personal smartphone * Use the mobile app as they find useful * complete online surveys at enrollment, 3 mo, 6, mo, 9 mo and 12 months.