Healthy Juntos Pilot Study

Inclusion criteria: 1. Female and male adolescents whose primary caregiver self-identifies as Hispanic 2. Adolescent is between the ages of 12-15; 3. Adolescent lives with an adult primary caregiver willing to participate; 4. Both parent and adolescent have smartphone/mobile device with internet access; 5. Adolescent does not meet recommendations for fruit and vegetable intake (proxy for overall diet quality) as determined by a validated two-item screener; 6. Adolescent does not meet physical activity guidelines as determined by responses on a validated two-item screener AND self-reports engaging in \>2 hours/day of screen time (proxy for overall sedentary behavior) using three items. Exclusion Criteria: 1. Adolescent's body mass index for age and gender is ≥ 95th percentile ("obese" range); 2. Adolescent has a chronic medical condition (e.g., type 2 diabetes) that requires intensive lifestyle modification; 3. Adolescent has a diagnosed developmental delay that would interfere with understanding program materials; 4. Parent or adolescent has a diagnosed medical or psychiatric condition and is currently taking medications that would interfere with changes to physical activity or diet (e.g., adolescent is diagnosed with Attention Deficit Hyperactivity Disorder and is currently on stimulant medication); 5. Family is planning to move out of the South Florida during the study follow-up period