Fit-In is an application that provides you with your personal trainer in the comfort of your home! According to your needs and the type of sport that you choose with what suits you, and it also provides you with consultants for nutrition, whether sports or therapeutic, it also allows you to track your steps during the day by linking to the Apple Health application, and determines the cups of water that your body needs per day according to an approved algorithm, and adds the number of cups and helps you complete it .A direct chat with your personal trainer for guidance and follow-up, in addition to session reminder notifications, motivating you to exercise and follow a healthy lifestyle.