Inclusion Criteria:  Overweight or obese (BMI ≥25.0 Adults: Female Age: 18-35 years Current user of a smart phone Student in one of the two target universities in the United Arab Emirates Living in or off the university campus  Exclusion Criteria:  Past or planned weight loss surgery Pregnant or breastfeeding Lost 7 kg in the past 3 months Following any weight loss program for 3 months or more Taking any steroid or thyroid hormones treatment or any other medication that may affect body weight Enrolled in medical and nutrition programs since one of the program components was nutrition knowledge assessments