This document proposes the development of a fitness app called "Fit&Fine" that allows users to track their exercise, view diet plans, and measure their health progress using their smartphones and tablets. The app aims to help people exercise and lose weight conveniently without needing to go to the gym. It will provide online workout routines, track walking distances, and support both Android and iOS devices. The document outlines the motivation, scope, advantages, development process, timeline, costs, and maintenance plan for the proposed Fit&Fine app.