Manage your fitness journey with this app. Reserve class spots, sign up for gym events, and update your account details like payment information and profile pictures.
Miller Swim Schools by SafeSplash Brands, LLC


10+ similar apps compared and reviewed
Next Level Extreme Fitness is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.







Manage your fitness journey with this app. Reserve class spots, sign up for gym events, and update your account details like payment information and profile pictures.


This app allows users to book and manage indoor rowing classes at a local studio. You can view class schedules, reserve spots, purchase memberships, and track your attendance history. It's designed for both experienced rowers and beginners looking for a low-impact cardio workout within a supportive community.


This app offers personalized training programs designed by medical professionals. Track workouts, nutrition, habits, and progress with real-time doctor messaging and community support. Integrates with wearables for comprehensive health monitoring.




This app allows members of a specific gym to book spots in classes, register for gym events, and manage their personal account details. Users can update their profile picture and payment information.


Experience high-energy, full-body HIIT workouts inspired by the sweet science of boxing. This fitness center offers group classes and one-on-one training for all ages, making boxing fun and accessible for the whole family.




This app connects users with a fitness community to encourage mutual growth and inspiration. It allows you to view training schedules, check into sessions, manage your account, and discover promotions and events.


This app helps you track workouts, meals, and progress towards your fitness goals with personalized guidance from your coach. It allows for real-time messaging, body measurement tracking, and integration with wearable devices.