X4 Fitness is a lifestyle app developed by X4 LLC for iPhone users. With over 30+ years of fitness and programming experience, X4 Fitness combines HIIT training and functional fitness to create the perfect fitness formula. The app offers a range of features to enhance your fitness journey.

The app allows easy registration for first-time users and seamless booking of classes for existing members. It also offers the convenience of purchasing memberships, class packs, and retail items directly from the app. X4 Fitness provides a welcoming community and an amazing atmosphere for its users.

One of the standout features of the app is the ability to connect it with your fitness wearable. By syncing your wearable device, you can track your workout performance metrics such as heart rate, calories burned, and age-based performance. This integration allows you to monitor and improve your fitness goals effectively.

X4 Fitness also provides detailed information about the fitness classes offered. Users can easily book and cancel classes, purchase class packs and memberships, and even join waitlists for popular classes. The app also allows you to log in to your home studio and search for and reserve classes at guest studios while you travel.

With X4 Fitness, your workout stats are easily accessible. You can view your workout metrics, including calories burned, heart rate percentage, and results based on effort and age. This provides valuable insights into your progress and helps you stay motivated.

Download the X4 Fitness app today and start your fitness journey with the perfect fitness formula. Let X4 Fitness be the best hour of your day!