Inclusion Criteria:

• Adolescent
• 1. Lives with participating biological parent or legal guardian;
• 2. Self-identifies as Hispanic;
• 3. Is between the ages of 12-15years old;
• 4. Has access to a smartphone;
• 5. Does not meet recommendations for physical activity as determined by a validated 2-item screener;
• 6. Does not meet recommendations for daily fruit and vegetable intake (proxy for diet quality) as determined by a validated 2-item screener;
• 7. Exceeds recommendations for screen time (proxy for sedentary behavior) as determined by a validated 6-item screener
• Parent
• 1. Is the biological parent or legal guardian of and lives with the adolescent;
• 2. Self-identifies as Hispanic;
• 3. Has access to a smartphone;

Exclusion Criteria:

• Adolescent
• 1. Has BMI \<5th (underweight) or ≥95th percentile (obesity);
• 2. Has a parent-reported chronic medical condition (e.g., type 2 diabetes) that requires more intensive intervention;
• 3. Has parent-reported responses on a physical activity readiness questionnaire (PAR-Q) that indicates a serious health issue, and a physician does not approve participation;
• 4. Has a parent-reported cognitive or developmental delay (e.g., Down Syndrome) that may interfere with understanding program materials.
• Parent
• 1. Provides PAR-Q responses that indicate a serious health issue and a physician does not approve participation;
• 2. Reports family plans to move out of South Florida during the study follow-up period