Best Muscle Booster Free Apps

225+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

With an average user rating of 4.7★, the muscle booster free category is one of the App Store's strongest. Browse all 225+ apps we track, sorted so the most loved ones surface first.

Top Picks for Muscle Booster Free

Muscle Booster - Workout Plans#1

Muscle Booster - Workout Plans by WELLTECH APPS LIMITED

Calisthenics, Chair, Gym Plans
Editor's Choice
💪 Health & Fitness
4.1😐(9.9K ratings)
FreeAdsIn-App Purchases
#60in Health & Fitness
Muscle Booster - Workout Plans screenshot 1
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Muscle Booster - Workout Plans screenshot 4
Muscle Booster - Workout Plans screenshot 5
Muscle Booster - Workout Plans screenshot 6

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!

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
Workout for Seniors: SeniorFit#2

Workout for Seniors: SeniorFit by Fast Builder Limited

Chair Tai Chi & Chair Yoga
Strong Contender
💪 Health & Fitness
4.7😊(8.2K ratings)
FreeAdsIn-App Purchases
Workout for Seniors: SeniorFit screenshot 1
Workout for Seniors: SeniorFit screenshot 2
Workout for Seniors: SeniorFit screenshot 3
Workout for Seniors: SeniorFit screenshot 4
Workout for Seniors: SeniorFit screenshot 5
Workout for Seniors: SeniorFit screenshot 6

Stay fit and active with Chair Yoga for Seniors 28 Day, designed for older adults looking to improve strength, flexibility, and overall health. Access a range of low-impact workouts, personalized plans, progress tracking, and a supportive community. Download now and start your fitness journey towards a healthier you!

What We Love

  • 👍 Enjoyable and low-impact workouts
  • 🚀 Easy to follow instructions
  • 👍 Variety of exercises
  • 🚀 Customizable workout plans

Room to Improve

  • 🐛 App crashes or freezes
  • 🔑 Subscription required to access full features
  • 🔍 Unclear exercise demonstrations
Muscle Monster Workout Planner#3

Muscle Monster Workout Planner by TechPioneers Limited

AI Gym & Home Fitness Exercise
Worth Considering
💪 Health & Fitness
4.7😊(8.7K ratings)
FreeIn-App Purchases
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

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!

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

More Muscle Booster Free apps to explore

4
Nike Training Club
Nike Training Club
Nike Training Club
Training and Workouts
Free

Discover a holistic fitness app that offers personalized workout plans, expert guidance, and a supportive community to help you reach your wellness goals. Start your journey to a healthier lifestyle today!

💪 Health & Fitness
(277K)
5
Home Workout for Men
Home Workout for Men
Home Workout for Men
AI Fitness, Workout Planner
Free

Get your dream body with our AI fitness app! No equipment needed—tone and build muscles at home with customized workout routines targeting different muscle groups. Download now and achieve your fitness goals effortlessly.

💪 Health & Fitness
(9.2K)
6
Gymshark Training and Fitness
Gymshark Training and Fitness
Gymshark Training and Fitness
Training App
Free

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!

💪 Health & Fitness
(13K)
7
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

Get a six-pack in 30 days with our 90-day abs workout challenge app. Quick and effective workouts designed for any time, wherever you are - gym, home, or office. Start now and achieve your fitness goals!

💪 Health & Fitness
(31K)
8
MadMuscles: Workouts & Diet
MadMuscles: Workouts & Diet
MadMuscles: Workouts & Diet
Exercises & Meal Plan
Free

Revolutionize your fitness routine with a cutting-edge workout app designed to help you reach your fitness goals faster. Simply download MadMuscles and start sculpting your dream physique today!

💪 Health & Fitness
(125K)
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 App: Gym Workout Plan
Fitness App: Gym Workout Plan
Fitness App: Gym Workout Plan
Exercise tracker, home routine
Free

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.

💪 Health & Fitness
(32K)
11
Daily Workouts - Home Fitness
Daily Workouts - Home Fitness
Daily Workouts - Home Fitness
Quick Exercise Routine Trainer
Free

Get personalized workout sessions at home with a variety of exercises targeting different muscle groups. Includes detailed instructions, videos, timers, and integration with the Health app for tracking progress. Try the free version or upgrade for access to more exercises and ad-free experience.

💪 Health & Fitness
(44K)
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
Workout Planner MuscleFit
Workout Planner MuscleFit
Workout Planner MuscleFit
Chair Workout For Men
Free

Get personalized workout plans tailored to your fitness goals with MuscleFit. From chair workouts to strength training, achieve your fitness dreams with ease. Start your journey to a healthier you today.

💪 Health & Fitness
(5.8K)
14
Just 6 Weeks
Just 6 Weeks
Just 6 Weeks
100 Push Ups in 6 Weeks
Free

Get in shape with the Just 6 Weeks app! Achieve your goal of 100 push-ups in 6 weeks with just 10 minutes of exercise three times a week. With customizable workouts, reminders, and detailed statistics, reaching your fitness goals has never been easier. Start your journey to a beautiful muscle profile today!

💪 Health & Fitness
(9.3K)
15
Home Workout - Fitness Planner
Home Workout - Fitness Planner
Home Workout - Fitness Planner
Bodyweight Exercises Training
Free

Get personalized workout plans for all muscle groups with Home Workout, a fitness app that guides you through bodyweight exercises for abs, arms, legs, back, and shoulders. No gym equipment needed - just a few minutes a day to achieve your fitness goals. Download now for a convenient way to build muscle and get in shape from home.

💪 Health & Fitness
(11K)
16
Bodybuilding.com - Fitness App
Bodybuilding.com - Fitness App
Bodybuilding.com - Fitness App
Train, Track, Connect, Shop
Free

Get fit with BodyFit Fitness Training Coach! Access personalized workout plans for any fitness goal, track your progress, plan healthy meals, learn about supplements, and enjoy exclusive member discounts. Join the fitness community today and achieve your goals with expert guidance and support.

💪 Health & Fitness
(29K)
17
Muscle Builder & Workout Plans
Muscle Builder & Workout Plans
Muscle Builder & Workout Plans
Strength Training ~Gym Booster
Free

Plan and track your home workouts efficiently with this user-friendly application. Customize your exercise routines, set reminders, track progress, and stay motivated to achieve your fitness goals. Download now to start your fitness journey!

💪 Health & Fitness
(1.6K)
18
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)
19
MuscleMaxme - Build Muscle
MuscleMaxme - Build Muscle
MuscleMaxme - Build Muscle
Gym Fitness & Home Workout
Free
💪 Health & Fitness
(757)
20
Muscle Workout 4Men by Slimkit
Muscle Workout 4Men by Slimkit
Muscle Workout 4Men by Slimkit
Home fitness club, Gym planner
Free

Get fit and transform your body with personalized training programs, guided workouts, and nutritious meal plans designed for men. Download the app to access tailored fitness solutions, track progress, and achieve your goals with smart training plans and motivational support.

💪 Health & Fitness
(57)