Fitness habit maintenance is significantly limited by low user engagement, lack of real-time motivation support, and high app abandonment rates, leading to widespread fitness goal failures. This project addresses these challenges by implementing "Fitness Tracker", a gamified fitness tracking ecosystem with workout/nutrition logging, 3D progress visualization, and real-time XP tracking. Developed using React with React Three Fiber for 3D body visualization, the system is powered by a MERN stack backend (MongoDB, Express, React, Node.js) with secure JWT authentication, push notifications, and integrated gamification. The methodology follows an Agile MVP approach, resulting in a functional prototype featuring XP progression, daily/weekly quests, rank advancement, and streak management. The implemented system demonstrates significant improvements in user engagement through gamification mechanics including a 7-tier rank progression system, real-time quest tracking, and automated streak management. The 3D body visualization provides immediate feedback on fitness progress, while guild mechanics and social sharing enhance community accountability. The project validates the feasibility of using modern mobile and cloud technologies to build scalable fitness platforms with sustained habit formation through gamified reward systems and community-driven accountability.
N et al. (Tue,) studied this question.