Best App Builder Free Muscle

223+ iOS apps & games curated and reviewed

4.7 avg rating
20 free apps & games
Updated May 2026

Every iPhone needs a few good app builder free muscle. We benchmark 223+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top App Builder Free Muscle (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Muscle Booster Workout TrackerMuscle Booster Workout TrackerFree4.5★ (135K)YesYesJul 2026
2Muscle Builder & Workout PlansMuscle Builder & Workout PlansFree4.8★ (1.6K)NoYesJul 2026
3Fitbod: Gym & Fitness PlannerFitbod: Gym & Fitness PlannerFree4.8★ (277K)YesYesJul 2026
4Muscle Monster Workout PlannerMuscle Monster Workout PlannerFree4.7★ (9.2K)NoYesJul 2026
5Six Pack in 30 Days:Get MuscleSix Pack in 30 Days:Get MuscleFree4.8★ (31K)YesYesJul 2026
67 Minute Workout: Exercise App7 Minute Workout: Exercise AppFree4.8★ (123K)YesYesJul 2026
7Strong Workout Tracker Gym LogStrong Workout Tracker Gym LogFree4.9★ (108K)NoYesJul 2026
8Gymshark Training and FitnessGymshark Training and FitnessFree4.9★ (13K)YesNoJul 2026

Top Picks for App Builder Free 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
#58in 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 Builder & Workout Plans#2

Muscle Builder & Workout Plans by Fast Builder Limited

Strength Training ~Gym Booster
Strong Contender
💪 Health & Fitness
4.8😊(1.6K ratings)
FreeIn-App Purchases
Muscle Builder & Workout Plans screenshot 1
Muscle Builder & Workout Plans screenshot 2
Muscle Builder & Workout Plans screenshot 3
Muscle Builder & Workout Plans screenshot 4
Muscle Builder & Workout Plans screenshot 5
Muscle Builder & Workout Plans screenshot 6

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.

What We Love

  • 👍 Effective workouts
  • 👍 Variety of exercises
  • 👍 Convenient for home use
  • 👍 Helpful for beginners

Room to Improve

  • 🐛 Occasional app crashes or freezes
  • 🔒 Subscription required for full access
  • 🔋 High battery consumption
Fitbod: Gym & Fitness Planner#3

Fitbod: Gym & Fitness Planner by Fitbod Inc.

AI Personal Trainer & Workouts
Worth Considering
💪 Health & Fitness
4.8😊(277K ratings)
FreeAdsIn-App Purchases
#13in Health & Fitness
Fitbod: Gym & Fitness Planner screenshot 1
Fitbod: Gym & Fitness Planner screenshot 2
Fitbod: Gym & Fitness Planner screenshot 3
Fitbod: Gym & Fitness Planner screenshot 4
Fitbod: Gym & Fitness Planner screenshot 5
Fitbod: Gym & Fitness Planner screenshot 6

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.

What We Love

  • 🚀 Great alternative to expensive personal trainer
  • 👍 Customizable workouts
  • 👍 Variety of exercises
  • 👍 Tracks progress and muscle recovery

Room to Improve

  • 🐛 Occasional app crashes and sync issues
  • 🔧 Workout recommendations don't always make sense
  • 🔧 Limited ability to customize workouts

More App Builder Free Muscle apps to explore

4
Muscle Monster Workout Planner
Muscle Monster Workout Planner
Muscle Monster Workout Planner
AI Gym & Home Fitness Exercise
Free

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.

AI-driven personalized workout plansOver 1200 exercises and 500 workoutsSupports various equipment and bodyweight training
💪 Health & Fitness
(9.2K)
free with in-app purchases
5
Six Pack in 30 Days:Get Muscle
Six Pack in 30 Days:Get Muscle
Six Pack in 30 Days:Get Muscle
Crunch, Core & Abs Workout
Free

Achieve your fitness goals with guided workout programs designed to reduce belly fat and build core strength. Access effective routines anytime, anywhere, with voice and video instructions. Track your progress and integrate with Apple Health for a comprehensive fitness experience.

Short, effective abs and core workoutsVoice and video instructionsNo equipment needed
💪 Health & Fitness
(31K)
subscription
6
7 Minute Workout: Exercise App
7 Minute Workout: Exercise App
7 Minute Workout: Exercise App
Lazy Workout for Weight Loss
Free

This app offers short, effective workouts designed to improve your health. It provides guided exercises with voice and video instructions, suitable for beginners and requiring no equipment. Users can also build custom routines and integrate with Apple Health.

Short and effective workoutsNo equipment neededVoice and video instructions
💪 Health & Fitness
(123K)
free with in-app purchases
7
Strong Workout Tracker Gym Log
Strong Workout Tracker Gym Log
Strong Workout Tracker Gym Log
Strength Training Planner
Free

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.

Intuitive workout loggingComprehensive exercise libraryApple Watch integration
💪 Health & Fitness
(108K)
freemium
8
Gymshark Training and Fitness
Gymshark Training and Fitness
Gymshark Training and Fitness
Training App
Free

This app offers thousands of free workouts and personalized training plans designed by athletes and trainers. Track your progress, discover new routines, and build lasting healthy habits with guided programs and customizable options for all fitness levels.

Thousands of free workoutsPersonalized training plansHabit tracking for 66 days
💪 Health & Fitness
(13K)
free with in-app purchases
9
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
10
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
11
Fitness App: Gym Workout Plan
Fitness App: Gym Workout Plan
Fitness App: Gym Workout Plan
Exercise tracker, home routine
Free

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.

Full body workout plans3D exercise animationsPersonal workout diary
💪 Health & Fitness
(34K)
free with in-app purchases
12
Muscle Race 3D
Muscle Race 3D
Muscle Race 3D
Popular muscle game
Free

Collect dumbbells to build your body and break through obstacles. Race to the finish line using your strength and toughness to win.

Collect dumbbellsBuild up your bodyBreak through gimmicks
🎮 Games
(14K)
free with in-app purchases
13
Boostcamp: Workout Programs
Boostcamp: Workout Programs
Boostcamp: Workout Programs
Active Tracker & Planner App
Free

This app offers a vast library of structured strength training and muscle-building programs, including popular routines like nSuns and Reddit PPL. It provides tools for tracking workouts, monitoring progress, and even building custom plans. The app is designed to eliminate guesswork and provide proven methods for achieving fitness goals.

130+ expert-designed programs10,000+ community-shared routinesFull workout logging with RPE/1RM
💪 Health & Fitness
(9.3K)
free with in-app purchases
14
Playbook - Trainers & Workouts
Playbook - Trainers & Workouts
Playbook - Trainers & Workouts
Fitness App for Athletes, Yoga
Free

Access thousands of workouts and classes from top fitness influencers, trainers, and athletes. Support your favorite creators directly with your subscription. Workout at home, at the gym, or while traveling with offline downloads and live streaming options.

Creator-supported workoutsThousands of classes and programsDirect communication with creators
💪 Health & Fitness
(34K)
subscription
15
Home Workout for Men
Home Workout for Men
Home Workout for Men
AI Fitness, Workout Planner
Free

Build muscle and tone your body at home with no equipment. This app offers daily, scientifically-proven workout routines for major muscle groups, with 21 progressive levels and video guidance. Customize your plan and track progress to achieve your fitness goals.

No equipment needed workoutsDaily routines for major muscle groups21 progressive workout levels
💪 Health & Fitness
(9.2K)
subscription
16
Idle Gym Life: Muscle Clicker
Idle Gym Life: Muscle Clicker
Idle Gym Life: Muscle Clicker
Life adventure of muscle boy
Free

Transform a sad, overweight character into a world-class bodybuilder through various exercises and challenges. Engage in boxing, hammering, and fighting opponents while evolving your character's physique and conquering the path to becoming the strongest.

Character body evolutionDiverse exercise typesFunny challenges
🎮 Games
(33K)
free with in-app purchases
17
Bodybuilding.com - Fitness App
Bodybuilding.com - Fitness App
Bodybuilding.com - Fitness App
Train, Track, Connect, Shop
Free

This app offers diverse workout options, from guided programs to custom routines, with detailed tracking of health metrics and progress. Connect with a community of users, earn rewards, and shop for supplements directly within the application.

Multiple guided workout stylesCustom workout program builderHealth metric tracking
💪 Health & Fitness
(29K)
free with in-app purchases
18
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
19
STNDRD Workout & Fitness Plans
STNDRD Workout & Fitness Plans
STNDRD Workout & Fitness Plans
CBUM Fitness & Gym Planner App
Free

This app provides structured bodybuilding workout programs designed by a champion. It helps users track progress, log lifts, and incorporate advanced training techniques. Nutrition tracking and community support are also included to foster consistency and muscle growth.

Follow champion-designed bodybuilding programsTrack sets, reps, weight, and restLog lifts and monitor strength progress
💪 Health & Fitness
(3.7K)
free with in-app purchases
20
Lyfta: Gym Workout Tracker Log
Lyfta: Gym Workout Tracker Log
Lyfta: Gym Workout Tracker Log
Weight Lifting Routine Planner
Free

This app helps gym-goers track their workouts, build custom routines, and monitor strength progress. It features a large exercise library with video guides, social features to connect with friends, and motivational challenges. Users can log sets, reps, weight, and PRs to achieve their fitness goals.

Workout loggingCustom routine builderProgress tracking
💪 Health & Fitness
(5.8K)
free with in-app purchases

FAQ about App Builder Free Muscle

What is the best app builder free muscle for iPhone?
Muscle Booster Workout Tracker tops our app builder free muscle ranking as of May 2026, with a 4.5-star average from 135K App Store ratings, and it's free to download.
Muscle Booster Workout Tracker shows ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 223+ app builder free muscle on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
This app serves as a personal trainer, creating customized workout plans based on your fitness goals, personal data, and available equipment. It guides you through exercises with timers and audio tips, and tracks your progress for muscle gain, weight loss, or recovery.
Key features include a library of over 1000 workouts, personalized plans for home or gym, specific challenges like calisthenics or chair workouts, and guidance on muscle usage and recovery. It also offers workout timers and audio instructions.