Spirit is a free mobile application designed for members of the Spirit fitness club network, available exclusively on iPhone. It provides a range of features aimed at enhancing the user experience, including access to club information, membership management, and a personal member dashboard. Users can view class schedules, create personalized workout plans, and manage payment options such as auto-pay and payment history.

The app offers tailored training programs based on individual fitness assessments and goals, including fat burning, endurance, strength, and functional training. It includes detailed workout routines with specified weights, sets, reps, and rest periods, along with instructional videos demonstrating proper exercise techniques. Additionally, the app utilizes location data to inform users about club occupancy levels, ensuring they can plan their visits effectively.