Inclusion Criteria:  over 18 years of age, BMI ≥ 25-45 kg/m^2, have and regularly use a smartphone, weight loss of 5% or more within the last 2 years complete the screening questionnaire  Exclusion Criteria:  have no internet access, report a medical condition that could jeopardize the person's safety in a weight control program with diet and exercise guidelines are currently pregnant are in substance use treatment are involved in another weight reduction program have received prior or planned bariatric surgery