Easily book fitness classes and manage your membership from your mobile device. Make reservations, join waitlists, and check your profile status conveniently.
Kings Athletics by Kings Unlimited Fitness LLC



9+ similar apps compared and reviewed
Looking for something like The PHI? We've analyzed 9+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.



Easily book fitness classes and manage your membership from your mobile device. Make reservations, join waitlists, and check your profile status conveniently.










Manage your fitness journey with this app. Book personal training, group workouts, and recovery sessions like sauna and cold plunge. Track your schedule, memberships, and stay updated on community events.


Track workouts, meals, and progress towards your fitness goals with personalized guidance from your trainer. Access your membership, book classes, and manage nutrition all in one place. Stay motivated with reminders and connect wearable devices for seamless data syncing.


Monitor your workouts, track progress, and achieve fitness goals with personalized training plans and engaging challenges. Manage and book classes easily to stay on track with your health journey. Integrates with HealthKit for comprehensive fitness tracking.


This app serves as a hub for pickleball enthusiasts, offering indoor and outdoor courts for learning, playing, and competing. It features lessons, leagues, court reservations, and social events, alongside a food and beverage lounge.


Experience a challenging workout that builds strength, endurance, and core power through slow, controlled movements. This fitness program enhances mind-body connection, balance, and flexibility for all fitness levels.