Lifesum is a mobile application available on iOS and Android platforms that assists users in maintaining a healthy lifestyle. It utilizes various features, including a camera scanner for food identification, a pedometer for activity tracking, and integration with other health apps like Samsung Health and Google Fit. The application gathers data from the user's food intake, exercise routines, and weight measurements, processing this information to provide personalized recommendations and insights. Lifesum's data processing system leverages the mobile device's components, such as the CPU, camera, speaker, and screen, to collect, analyze, and present information effectively. The application's user interface is designed to be intuitive and user-friendly, making it accessible to a wide range of individuals.