Use of a Mobile Application for Tracking Physical Activity in the Management of Metabolic Syndrome in Primary Care

Inclusion Criteria: * Adults aged 18 years or older; * Diagnosed with metabolic syndrome; * Presence of at least one of the following ICPC-2 (International Classification of Primary Care - 2nd edition), used in primary health care:codes in the medical record: * T83 (Overweight) or T82 (Obesity), with waist circumference ≥ 94 cm (men) or ≥ 80 cm (women) * T89 (Non-insulin-dependent diabetes) * T93 (Lipid metabolism disorder: HDL \< 40 mg/dl for men, \< 50 mg/dl for women; or triglycerides ≥ 150 mg/dl) * K86 (Hypertension without complications) or K87 (Hypertension with complications); * Access to a smartphone compatible with the mobile application; * Does not currently use any physical activity monitoring device (e.g., pedometer, smartwatch, fitness tracker); * Willing and able to provide informed consent. Exclusion Criteria: * No scheduled medical appointments in the past three years; * Refusal to participate or withdraws consent; * Change of primary care unit during the study period; * Pregnant at the time of enrollment or becomes pregnant during the study; * Diagnosed mental incapacity that prevents answering questionnaires; * Does not own a smartphone; * Inability to use a mobile application; * Inability to use a physical activity tracking wristband.