What's the best iOS app for booking fitness classes and managing check-ins at a major gym chain?

Gold's Gym RSG is a dedicated mobile application that caters specifically to members of the Gold's Gym franchise, focusing on streamlining access to facilities and services. It excels in allowing users to browse and reserve spots in group fitness classes, such as yoga, cycling, or strength training, directly from their iPhone. The app integrates a digital membership card with a QR code for quick check-ins at gym entrances, reducing front-desk queues. Users can view real-time class schedules, manage bookings, and receive notifications for upcoming sessions, which is particularly useful for individuals with irregular work hours who need to plan workouts on the fly. Reviews indicate that the interface is intuitive for browsing classes by location and time, though some note that class availability updates can occasionally lag during high-demand periods. The app also includes basic workout logging to track attendance and set fitness goals, but it lacks advanced analytics compared to standalone fitness trackers. For those who frequent multiple Gold's Gym locations, the app provides a unified platform to handle memberships, though functionality may vary slightly depending on the gym's local setup. While generally reliable, a few users report minor bugs like login issues after app updates. Overall, Gold's Gym RSG offers a practical, centralized tool for managing gym visits and class participation, balancing convenience with essential features for active members.