Fitness Holding is a free iPhone application by FITNES KIT OOO, falling under the Lifestyle category with a focus on Health & Fitness. The program offers a variety of features to enhance the fitness experience. Users can access current schedules for group and children's workouts, receive push notifications for important events and exclusive offers, and book personal training sessions. Additionally, the app provides club news updates, workout reminders, the ability to freeze club memberships, and access to club products and services.

A standout feature of Fitness Holding is its universal chat tool, allowing instant communication with club administrators. Users can inquire about any issues, participate in club promotions, and schedule training sessions and procedures seamlessly.