What's the best iOS app for managing gym membership and booking fitness classes on the go?

Crunch Fitness is a dedicated mobile application for members of the Crunch Fitness chain, designed to centralize gym management tasks. It serves as a digital replacement for physical membership cards, allowing users to scan their phone at club entrances—a practical feature for those who prefer carrying fewer items. The app's class scheduling functionality enables members to browse, reserve, and manage fitness sessions, such as spin classes or yoga, with real-time availability. Users report that the interface is intuitive for checking schedules and securing spots, which is beneficial for planning workouts around busy schedules. Additionally, the app provides updates on club activities, trainer information, and facility details, helping members stay informed. However, some minor imperfections include occasional delays in syncing class changes or location-specific bugs, as noted in scattered feedback. For real-world use, a member running late can quickly book a class while commuting, then use the digital pass for entry upon arrival. Reviews indicate high satisfaction with the convenience and reliability, though performance may vary by device or network conditions. Overall, it addresses core needs for gym access and class coordination without unnecessary complexity.