231+ iOS apps curated and reviewed
The best workout planner muscle booster apps on iPhone average 4.7★ across 231+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (136K) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.6★ (2.7K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.9★ (121K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.8★ (165K) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.7★ (9.6K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.9★ (178K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.8★ (1.6K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.6★ (6.7K) | No | Yes | Aug 2026 |
This app acts as a personal trainer, creating customized workout plans for muscle gain, weight loss, or recovery. It offers a vast library of exercises and challenges for home or gym, adapting to your available equipment and goals.
Easily plan and track your fitness routines with over 400 exercises and clear instructions. Monitor your progress with simple stats and charts, and stay organized with a clean training diary. Supports gym, outdoor activities, and Apple Watch integration.
This app provides personalized fitness plans and a wide variety of bodyweight exercises for users to build muscle, lose weight, or stay fit. It requires no equipment and can be used anywhere, anytime, with features like workout tracking and video guides.
This AI-powered fitness trainer creates personalized, multi-week workout plans that adapt to your progress and goals. It offers expert video guidance for each exercise, tracks your progress visually, and provides motivational insights. Enjoy tailored workouts that avoid disliked or injured areas, with options for strength training, cardio, and more.
This AI-driven fitness app creates personalized workout plans for fat loss, muscle gain, and overall well-being. It offers over 1200 exercises and 500 workouts, catering to various equipment and fitness levels. Track your progress with detailed reports and integrate with Apple Health for a comprehensive view of your fitness journey.
This app provides structured, coach-built daily workout plans for strength training, designed for home or gym. It offers in-ear coaching, video demonstrations, and progress tracking to eliminate guesswork and optimize your fitness journey.
This fitness app offers a variety of home-based workouts and personalized training plans to help users achieve their fitness goals. It includes video demonstrations for exercises and progress tracking features to keep users motivated. The app is designed to be convenient, effective, and affordable.
This app provides personalized 28-day calisthenics and chair workout programs for home fitness. It offers over 500 equipment-free exercises with audio/video guidance, adapting routines weekly based on progress. It also includes features for injury prevention and muscle recovery.
This app guides you through personalized workouts to build strength, lose weight, and improve performance. It offers detailed exercise instructions, custom workout creation, and progress tracking with interactive graphs. Access meal plans and training programs designed by professionals.
This comprehensive fitness app offers hundreds of exercises with detailed instructions, custom routine building, and progress tracking. It includes pre-defined routines, cardio and stretch options, food logging, and workout scheduling to help users achieve their fitness goals.
This app creates personalized AI-driven workout plans to help you build muscle, gain strength, and lose weight. It adapts to your fitness level and available equipment, offering over 1000 exercises with video guides. Track your progress and get support from trainers.
This app uses an advanced algorithm to create personalized workout plans for home or gym. It optimizes sets, reps, and weights to help you build muscle, get toned, or lose weight efficiently. Track your progress and achieve your fitness goals with data-driven routines.
This app helps you achieve fitness goals with personalized workout plans, detailed exercise instructions, and progress tracking. Log your weight, reps, and sets, and gain insights into your training effectiveness. It supports strength tracking and syncs with Apple Health and smartwatches.
Achieve fitness goals with short, effective daily workouts. Based on scientific studies, this app offers personalized plans and fun challenges to help you get fit, lose weight, or build strength anywhere, anytime. Compete with friends and earn achievements for motivation.
This app helps you track your workouts and progress with an intuitive interface. It offers a wide range of exercises, detailed instructions, and advanced statistics to help you achieve your fitness goals. Easily log your routines, monitor personal records, and stay motivated on your fitness journey.
Personalized workout plans adapt to your fitness goals and level, whether you train at home, the gym, or outdoors. Access numerous training sessions and hundreds of exercises to target all muscle groups. Track your progress over time and stay motivated with 30-minute sessions.
This app offers comprehensive workout plans and diet guidance for various fitness goals, including weight loss, muscle gain, and toning. It features a vast exercise library with 3D animations, a personal workout diary, and the option to connect with certified personal coaches for tailored online training and nutrition plans.
Build muscle, gain strength, and lose weight with personalized workout routines. This app offers a comprehensive approach to fitness, including exercise, diet, and habit formation, with over 2400 exercises and custom meal plans.
Achieve weight loss and muscle gain with personalized home workout plans and professional guides. This app offers a variety of exercises and customized routines, with an AI trainer to answer your fitness questions. See results in 30 days with zero equipment needed.
This app creates personalized workout plans using AI to help you exercise smarter and achieve your fitness goals. It offers guidance on exercises, tracks your progress, and suggests alternatives when equipment is unavailable. Optimize your training whether you're at home or in the gym.