Best Free Muscle Building App

227+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Looking for free free muscle building app apps? 20 of our 227+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Free Muscle Building App

Fitness App: Gym Workout Plan#1

Fitness App: Gym Workout Plan by FITNESS ONLINE MChJ

Exercise tracker, home routine
Editor's Choice
💪 Health & Fitness
4.8😊(32K ratings)
FreeAdsIn-App Purchases
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A comprehensive fitness app offering personalized workout plans, diet tracking, and access to professional coaches for achieving various fitness goals like weight loss, muscle gain, and more. Features include workout diaries, 3D exercise animations, nutrition guides, and online coaching services. Track progress, connect with a supportive community, and achieve your fitness goals from the comfort of your home.

What We Love

  • 👍 Easy to use
  • 🚀 Convenient workouts
  • 🚀 Clear exercise instructions and videos
  • 🚀 Good integration with Apple Watch

Room to Improve

  • 🐛 Workout calendar doesn't adjust when workouts are missed
  • 🐛 Disconnect between phone and watch
  • 🔒 Concerns about sexualized content and predatory behavior
Gymshark Training and Fitness#2

Gymshark Training and Fitness by Gymshark Ltd

Training App
Strong Contender
💪 Health & Fitness
4.9😊(13K ratings)
FreeAds
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Access a world of free workouts with the Training App - personalized plans and exercises to help you achieve your fitness goals. Download now for exclusive content from personal trainers and athletes!

What We Love

  • 👍 Easy to navigate and find exercises
  • 👍 Visually pleasing app
  • 👍 Ability to create custom exercises
  • 👍 Variety of pre-made workouts

Room to Improve

  • 🐛 Logging out issues causing data loss
  • 🐛 Glitchy timer and screen freezing
  • 🐛 Inability to edit previous workout data
Fitbod: Gym & Fitness Planner#3

Fitbod: Gym & Fitness Planner by Fitbod Inc.

AI Personal Trainer & Workouts
Worth Considering
💪 Health & Fitness
4.8😊(273K ratings)
FreeAdsIn-App Purchases
#16in Health & Fitness
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Revolutionize your fitness routine with an innovative gym companion that generates personalized workout plans based on your goals, experience, and available equipment. Start optimizing your workouts today for better results and motivation!

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 Free Muscle Building App apps to explore

4
Muscle Booster - Workout Plans
Muscle Booster - Workout Plans
Muscle Booster - Workout Plans
Calisthenics, Chair, Gym Plans
Free

Plan and track your fitness journey with personalized workout routines and nutrition plans tailored to your goals. Stay motivated and achieve your desired results with our comprehensive exercise library and progress tracking features. Download now and start building your dream physique!

💪 Health & Fitness
(9.9K)
5
Muscle Monster Workout Planner
Muscle Monster Workout Planner
Muscle Monster Workout Planner
AI Gym & Home Fitness Exercise
Free

Plan and track your workout routines with ease using this comprehensive fitness application. Stay motivated and achieve your fitness goals with personalized workout plans, progress tracking, and a variety of exercises to choose from. Download now and start your journey to a stronger, healthier you!

💪 Health & Fitness
(8.7K)
6
LADDER Strength Training Plans
LADDER Strength Training Plans
LADDER Strength Training Plans
Fitness, Workouts, Coaching
Free

Get in shape with LADDER Strength Training Plans - a comprehensive fitness app offering workouts and coaching. Try it FREE for 7 days with no payment required. Start your fitness journey today!

💪 Health & Fitness
(143K)
7
Strong Workout Tracker Gym Log
Strong Workout Tracker Gym Log
Strong Workout Tracker Gym Log
Strength Training Planner
Free

A user-friendly workout tracker designed for all fitness levels with a focus on simplicity and effectiveness. Track your progress, customize routines, access detailed exercise instructions, and more. Upgrade to Strong PRO for unlimited features and routines. Commit to your fitness journey today!

💪 Health & Fitness
(13K)
8
Gym Exercises & Workouts
Gym Exercises & Workouts
Gym Exercises & Workouts
Create & Log Gym Workouts
Free

Discover a comprehensive fitness app offering a wide range of workout routines, tracking tools, and personalized plans for achieving your fitness goals. Start your fitness journey today and experience a new level of health and wellness.

💪 Health & Fitness
(3.5K)
9
Gymverse: Gym Workout Planner
Gymverse: Gym Workout Planner
Gymverse: Gym Workout Planner
Weight Lifting Fitness Trainer
Free

Plan and track your workouts with ease using this intuitive app designed to help you achieve your fitness goals. Stay organized with personalized workout schedules, progress tracking features, and helpful reminders. Start maximizing your workouts today and make your fitness journey a success.

💪 Health & Fitness
(537)
10
Fitness AI Gym Workout Planner
Fitness AI Gym Workout Planner
Fitness AI Gym Workout Planner
Personal Trainer: Muscle Coach
Free

Experience personalized weight lifting workout plans tailored to your fitness goals with a smart gym workout planner. Train efficiently at home or in the gym using advanced algorithms for optimal sets, reps, and weights. Subscription-based with HealthKit integration for seamless tracking. Visit the app for a smarter way to achieve your fitness aspirations.

💪 Health & Fitness
(56K)
11
Muscle & Motion: Strength
Muscle & Motion: Strength
Muscle & Motion: Strength
Master Exercise Anatomy
Free

Get fit and track your fitness journey with our comprehensive workout app. From personalized workout plans to progress tracking features, achieve your fitness goals seamlessly. Download now and start your fitness transformation!

💪 Health & Fitness
(7.7K)
12
Home Workout - No Equipments
Home Workout - No Equipments
Home Workout - No Equipments
Workout Tracker, Fitness Coach
Free

Get fit without the need for equipment with this Home Workout app. Access a variety of bodyweight exercises to help you stay in shape and reach your fitness goals. Download now and start your journey to a healthier you!

💪 Health & Fitness
(113K)
13
ProFit: Workout Planner
ProFit: Workout Planner
ProFit: Workout Planner
Muscle Training in the Gym
Free

Start training today with the ultimate workout planner app that offers personalized workout plans, detailed exercise instructions, progress tracking, meal plans, and more. Feel the transformation with ProFit – like having a personal trainer in your pocket. Try it free for 7 days and choose a subscription plan that fits your needs to unlock unlimited access to fitness routines.

💪 Health & Fitness
(43K)
14
Workout Planner - Heavy
Workout Planner - Heavy
Workout Planner - Heavy
Home & Gym Workout Planner Log
Free

Experience personalized hypertrophy training with our AI Gym Planner app. Tailored workouts, a variety of activities, latest exercise science, and motivational psychology combine to help you reach your fitness goals. Start your fitness journey now!

💪 Health & Fitness
(1.1K)
15
BEASTLY: Build Muscle Fast
BEASTLY: Build Muscle Fast
BEASTLY: Build Muscle Fast
Smarter Workouts. Real Gains.
Free

An application offering personalized workout programs tailored to individual fitness goals, with a variety of exercises and routines to choose from. Commit to your fitness journey and achieve your goals with Beastly Fitness today!

💪 Health & Fitness
(369)
16
Gym Workout Planner - Gym Plan
Gym Workout Planner - Gym Plan
Gym Workout Planner - Gym Plan
Weight Lifting Muscle Tracker
Free

Optimize your fitness routine with a personalized workout plan tailored to your goals and fitness level. Get started on your journey to a healthier lifestyle today!

💪 Health & Fitness
(673)
17
Boostcamp: Workout Programs
Boostcamp: Workout Programs
Boostcamp: Workout Programs
Active Tracker & Planner App
Free

Track your lifting programs, discover new workouts, and plan your gym sessions effectively with Boostcamp. Achieve your fitness goals with personalized workout plans and progress tracking. Start your fitness journey today!

💪 Health & Fitness
(9K)
18
Workouts For Men: Gym & Home
Workouts For Men: Gym & Home
Workouts For Men: Gym & Home
Build Muscles & Lose Weight
Free

Get personalized workout plans tailored to your fitness goals with detailed exercise routines and tracking features. Achieve your fitness targets efficiently and effectively in the gym. Start your journey to a fitter you today!

💪 Health & Fitness
(26K)
19
Push-Up Routines PRO+ Muscle Body-Building Workout
Push-Up Routines PRO+ Muscle Body-Building Workout
Push-Up Routines PRO+ Muscle Body-Building Workout
by App And Away Studios LLP
Free

Sculpt your upper body with Push-Up Routines PRO - the ultimate pushup workout app with 8 workout videos, voice instructions, and tailored difficulty settings. Strengthen your triceps and chest muscles in just minutes a day with this user-friendly fitness tool. Start your journey to a toned body now!

💪 Health & Fitness
(5)
20
MyFitCoach - Workout Planner
MyFitCoach - Workout Planner
MyFitCoach - Workout Planner
Fitness & Strength Training
Free

Get a personalized workout plan tailored to your schedule and equipment with science-based strength training using cutting-edge techniques. Maximize your muscle building potential with optimal exercises, sets, reps, and weights designed to help you reach your fitness goals.

💪 Health & Fitness
(5.1K)