Best Fitness Workout Muscle Apps

243+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated May 2026

Looking for free fitness workout muscle apps? 19 of our 243+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Fitness Workout Muscle

Muscle Booster Workout Tracker#1

Muscle Booster Workout Tracker by WELLTECH APPS LIMITED

Calisthenics, Chair, Gym Plans
Editor's Choice
💪 Health & Fitness
4.5😐(135K ratings)
FreeAdsIn-App Purchases
#63in Health & Fitness
Muscle Booster Workout Tracker screenshot 1
Muscle Booster Workout Tracker screenshot 2
Muscle Booster Workout Tracker screenshot 3
Muscle Booster Workout Tracker screenshot 4
Muscle Booster Workout Tracker screenshot 5
Muscle Booster Workout Tracker screenshot 6

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.

What We Love

  • 🚀 Great workouts
  • 👍 Easy to follow
  • 👍 Variety of exercises
  • 🚀 Customizable plans

Room to Improve

  • 🐛 Buggy app performance
  • 🔒 Lack of free trial
  • 💰 Expensive subscription
Muscle Monster Workout Planner#2

Muscle Monster Workout Planner by TechPioneers Limited

AI Gym & Home Fitness Exercise
Strong Contender
💪 Health & Fitness
4.7😊(9.1K ratings)
FreeIn-App Purchases
#99in Health & Fitness
Muscle Monster Workout Planner screenshot 1
Muscle Monster Workout Planner screenshot 2
Muscle Monster Workout Planner screenshot 3
Muscle Monster Workout Planner screenshot 4
Muscle Monster Workout Planner screenshot 5
Muscle Monster Workout Planner screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Personalized workout plans
  • 🚀 Intuitive interface
  • 👍 Variety of exercises

Room to Improve

  • 🐛 Syncing issues across devices
  • 💰 Premium features behind paywall
  • 🐛 Occasional app freezes
Workout Planner MuscleFit#3

Workout Planner MuscleFit by Next Vision Limited

Chair Workout For Men
Worth Considering
💪 Health & Fitness
4.6😐(6.3K ratings)
FreeIn-App Purchases
Workout Planner MuscleFit screenshot 1
Workout Planner MuscleFit screenshot 2
Workout Planner MuscleFit screenshot 3
Workout Planner MuscleFit screenshot 4
Workout Planner MuscleFit screenshot 5
Workout Planner MuscleFit screenshot 6

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.

What We Love

  • 👍 Easy to follow workouts
  • 💪 Effective for building strength
  • 🤸‍♀️ Suitable for various fitness levels
  • 🤗 Motivating and encouraging

Room to Improve

  • 🤥 Misleading advertising and pricing
  • 🔁 Repetitive and unvaried exercises
  • 🕰️ Subscription required for full access

More Fitness Workout Muscle apps to explore

4
ProFit: Workout Planner
ProFit: Workout Planner
ProFit: Workout Planner
Muscle Training in the Gym
Free

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.

350+ exercises with detailed descriptionsHigh-quality photo and video guidanceCustomizable workout plans
💪 Health & Fitness
(43K)
free with in-app purchases
5
MuscleWiki: Workout & Fitness
MuscleWiki: Workout & Fitness
MuscleWiki: Workout & Fitness
Exercise and Workout Tracker
Free

This app helps you build muscle and achieve fitness goals with AI-powered workout plans and a comprehensive exercise library. Track your progress, log lifts, and access features offline without ads.

AI Personal Trainer for customized routinesInteractive body map exercise finderOver 1,600 exercises with video demos
💪 Health & Fitness
(4K)
free with in-app purchases
6
Home Workout - No Equipments
Home Workout - No Equipments
Home Workout - No Equipments
Workout Tracker, Fitness Coach
Free

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.

Personalized workout plans500+ varied workoutsSmart workout tracker
💪 Health & Fitness
(115K)
free with in-app purchases
7
Centr: Strength & Fitness App
Centr: Strength & Fitness App
Centr: Strength & Fitness App
Build Muscle. Get Fit.
Free

This all-in-one fitness app offers personalized workout plans and meal suggestions to help you achieve your strength and fitness goals. Train at home or in the gym with programs designed by elite coaches, track your progress, and enjoy a variety of workout styles.

Personalized workout plansCustomizable for goals and experienceTrain at home or in the gym
💪 Health & Fitness
(21K)
free with in-app purchases
8
Gym Workout Planner - Gym Plan
Gym Workout Planner - Gym Plan
Gym Workout Planner - Gym Plan
Weight Lifting Muscle Tracker
Free

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.

Workout plan selectionCustomizable routinesProgress tracking
💪 Health & Fitness
(673)
subscription
9
Fitness for muscles | Fitcher
Fitness for muscles | Fitcher
Fitness for muscles | Fitcher
Daily workout challenge
Free

Build muscle strength and improve fitness with daily workout challenges and video tutorials from an Olympic Champion trainer. Offers personalized routines, nutrition advice, and weight loss exercises, all without needing equipment. Track progress and achieve visible results in weeks.

Personalized daily workoutsVideo workout tutorialsMuscle growth and strength exercises
💪 Health & Fitness
(1.6K)
subscription
10
Gymverse: Gym Workout Planner
Gymverse: Gym Workout Planner
Gymverse: Gym Workout Planner
Weight Lifting Fitness Trainer
Free

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.

AI-generated personalized workout plansAdaptive training based on progressExpert video exercise guidance
💪 Health & Fitness
(164K)
free with in-app purchases
11
Fitness AI Gym Workout Planner
Fitness AI Gym Workout Planner
Fitness AI Gym Workout Planner
Personal Trainer: Muscle Coach
Free

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.

Personalized AI workout plansOptimized sets, reps, and weightsHome and gym workout options
💪 Health & Fitness
(56K)
free with in-app purchases
12
Fitness Buddy+ Workout Trainer
Fitness Buddy+ Workout Trainer
Fitness Buddy+ Workout Trainer
#1 Strength Training Tracker
$3.99

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.

Personalized workout routinesExtensive exercise database with videosCustomizable fitness programs
💪 Health & Fitness
(12K)
free with in-app purchases
13
Fitbod: Gym & Fitness Planner
Fitbod: Gym & Fitness Planner
Fitbod: Gym & Fitness Planner
AI Personal Trainer & Workouts
Free

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.

AI-generated customized workout plansAdaptive AI learns from user editsOver 1000 exercises with video guides
💪 Health & Fitness
(276K)
subscription
14
MadMuscles: Workouts & Diet
MadMuscles: Workouts & Diet
MadMuscles: Workouts & Diet
Exercises & Meal Plan
Free

This fitness app creates personalized workout plans and meal plans to help users achieve their fitness goals, whether it's gaining muscle, losing weight, or getting shredded. It offers a variety of workout styles, video tutorials, and motivational features to make fitness accessible and enjoyable.

Personalized workout plansDiverse workout styles (strength, calisthenics, yoga)Video exercise tutorials
💪 Health & Fitness
(131K)
free with in-app purchases
15
Home Fitness for Weight Loss
Home Fitness for Weight Loss
Home Fitness for Weight Loss
Workout Exercises to Get Fit
Free

This app provides personalized workout plans and meal suggestions to help you achieve your weight loss and fitness goals. It includes features like heart rate monitoring, water tracking, and seamless integration with Apple Health.

Personalized training plansHeart rate monitoringWater balance tracking
💪 Health & Fitness
(59K)
free with in-app purchases
16
Fitness Coach - Workout Plan
Fitness Coach - Workout Plan
Fitness Coach - Workout Plan
Lose Weight, Build Abs & Butt
Free

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.

Personalized workout programsGoal-based training adaptationDozens of training sessions
💪 Health & Fitness
(73K)
subscription
17
Workout Planner - Heavy
Workout Planner - Heavy
Workout Planner - Heavy
Home & Gym Workout Planner Log
Free

This app offers AI-driven workout plans personalized to your fitness goals, schedule, and progress. It adapts in real-time to maximize strength, muscle growth, or weight loss with a vast exercise library and advanced tracking.

AI-tailored workoutsProgressive overload calculationExtensive exercise library with tutorials
💪 Health & Fitness
(1.1K)
free with in-app purchases
18
Workouts For Men: Gym & Home
Workouts For Men: Gym & Home
Workouts For Men: Gym & Home
Build Muscles & Lose Weight
Free

This app provides personalized workout routines and meal plans to help users build muscle, lose fat, and stay motivated. It offers clear exercise instructions with videos, health app integration, and expert guidance for achieving fitness goals.

Hundreds of gym and home workoutsClear exercise instructions with videosPersonalized meal plans and recipes
💪 Health & Fitness
(26K)
subscription
19
Military Workout: Muscle Max
Military Workout: Muscle Max
Military Workout: Muscle Max
Mad Calisthenics Home Workout
Free

This app offers a 28-day bodyweight fitness challenge inspired by military conditioning. It provides structured workouts, video demonstrations, and progress tracking to build strength, endurance, and mental toughness for men of all fitness levels.

28-Day Basic Training ProtocolBodyweight exercisesHD video demonstrations
💪 Health & Fitness
(1.3K)
free with in-app purchases
20
MyFitCoach - Workout Planner
MyFitCoach - Workout Planner
MyFitCoach - Workout Planner
Fitness & Strength Training
Free

This app creates personalized strength training plans based on scientific principles to help you build muscle effectively. It adapts to your schedule, equipment, and fitness level, offering guidance on exercises and tracking your progress.

Personalized workout plansScience-based strength trainingExercise database with instructions
💪 Health & Fitness
(5.6K)
subscription