The best it83 fitness apps on iPhone average 4.5★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.
Manage your fitness club membership, book classes and appointments, and access your digital pass. Stay informed with club announcements and track your progress towards your goals. Integrates with Apple Watch via HealthKit.
Discover and book a wide range of fitness classes, spa treatments, and salon appointments at top local businesses. Explore diverse activities like yoga, boxing, and more, with flexible booking and personalized plans. Earn rewards and connect with friends while tracking your wellness journey.