FBBK is a free fitness studio app developed by FitBody by Krista llc. Designed for iPhone users, this app falls under the lifestyle category with a specific focus on health and fitness. With FBBK, users can access a variety of workout classes including HIIT, Sculpt, Cycle, Strength, and Power.

The app provides a convenient way to view the schedule of classes offered by the fitness studio. Users can easily book their preferred classes and make changes to their personal information. Whether you're looking to try out a new workout routine or maintain your fitness goals, FBBK offers a range of options to suit different preferences and fitness levels.

Overall, FBBK is a user-friendly fitness studio app that allows iPhone users to stay updated with the class schedule, book their favorite classes, and manage their personal information. It's a handy tool for those seeking to incorporate regular workouts into their lifestyle.