Supporting Treatment Adherence for Resilience and Thriving (START)

Inclusion Criteria

• •1. Assigned male at birth;
• •2. Identifies as male;
• •3. Age 18 or older;
• •4. Reads and speaks English;
• •5. Continental US residency;
• •6. Reports ever having had anal sex with a man;
• •7. Self-reported HIV diagnosis for 3 or more months and currently taking anti-retroviral therapy (ART)
• •8. Reports a detectable viral load during past year OR no viral load test in the past 10+ months OR reports \< 90% adherence to ART;
• •9. Screens positive for a moderate or severe stimulant use disorder in the past 3 months with an abbreviated version of the National Institute on Drug Abuse (NIDA)-modified Alcohol, Smoking and Substance. Involvement Screening Test (ASSIST);
• •10. Has an iPhone or Android smartphone;
• •11. Is willing to participate in an mHealth intervention