213+ iOS apps curated and reviewed
The best x4 fitness apps on iPhone average 4.3★ across 213+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (211) | Yes | No | Jul 2026 |
| 2 |  | Free | 4.5★ (13K) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 4 |  | Free | 4.9★ (12K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | Free | 4.9★ (184) | No | No | May 2026 |
| 7 |  | Free | 4.8★ (7.2K) | No | Yes | Jul 2026 |
| 8 |  | Free | 1.9★ (23) | No | No | Jul 2026 |
This app facilitates booking and managing fitness classes at a boutique gym. It offers efficient, full-body functional workouts with on-screen demos and varied routines. Members can easily register, book classes, and purchase memberships or retail items.
This app provides personalized workout recommendations and thousands of fitness routines for both gym and home. It helps users track progress, schedule workouts, and integrate with fitness trackers. Access club information and check in easily with your membership.
This fitness app provides 24/7 access to multiple gym locations, class schedules, and membership management tools. It helps users track their fitness journey and stay motivated to achieve their goals.
Participate in award-winning outdoor group fitness classes led by certified personal trainers. Designed for all fitness levels, this app offers fun, challenging workouts to help you achieve your goals with motivation and accountability. New classes start every 5 minutes, ensuring a convenient option for everyone.
This app helps you track workouts, meals, and progress towards your fitness goals. It connects you with your personal trainer for real-time messaging and personalized plans. Achieve your health objectives with features like body measurement tracking and progress photos.
This app offers personalized strength training using your body's biometrics. It adapts workouts based on your daily readiness, sleep, and activity levels, providing real-time AI-powered guidance on form and weight recommendations. Track progress with detailed body composition scans and range of motion analysis.
Track workouts, meals, and progress towards fitness goals with a personal trainer. Access membership details, book appointments, and communicate with your coach. Syncs with wearable devices for comprehensive health monitoring.
Manage your fitness membership, book classes, and schedule training sessions. Track club capacity and handle payments all in one place. Stay on top of your fitness routine with ease.
This app creates personalized workout plans tailored to your fitness goals and problem areas. It offers short, guided workouts from certified coaches, with video instructions and progress tracking. Achieve your desired physique and weight loss goals in as little as 30 days.
This app provides access to an affordable, safe, and convenient gym experience designed by fitness professionals. It focuses on members' training goals with a high-tech approach.
This app offers short, high-intensity interval training (HIIT) workouts that can be done anywhere with no equipment. It provides scientifically proven exercises, custom timer templates, and progress tracking to help users achieve fitness results quickly.
Easily plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up for sessions, and access studio location information. Maximize convenience and optimize your time by managing your fitness activities on the go.
Manage your gym membership, book classes, and schedule appointments to reach your fitness goals. Access your digital pass, update personal information, and receive club announcements. Integrates with Apple Watch and HealthKit.
This app provides access to advanced, eco-friendly fitness facilities with a smart, automated gym system. Manage your membership, book classes, and find center information conveniently through your smartphone.
This app encourages healthier daily habits through guided workouts, meditation, and nutrition advice. It provides daily reminders and access to local health resources and online content to support a healthier lifestyle.
This app helps you plan and track your gym workouts for faster progress. Choose from a variety of workout plans or customize your own, track sets, reps, and weights, and monitor your personal bests to stay motivated.
This app allows users to plan and schedule fitness classes directly from their mobile device. View class schedules, sign up for sessions, and access gym location information for maximum convenience.