Best Muscle Building Trainer Apps & Games

218+ iOS apps & games curated and reviewed

4.7 avg rating
19 free apps & games
Updated July 2026

Looking for free muscle building trainer apps and games? 19 of our 218+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Muscle Building Trainer

Fitness Buddy+ Workout Trainer#1

Fitness Buddy+ Workout Trainer by Kodeon, Inc.

#1 Strength Training Tracker
Editor's Choice
💪 Health & Fitness
4.8😞(12K ratings)
$3.99AdsIn-App Purchases
#92in Health & Fitness
Fitness Buddy+ Workout Trainer screenshot 1
Fitness Buddy+ Workout Trainer screenshot 2
Fitness Buddy+ Workout Trainer screenshot 3
Fitness Buddy+ Workout Trainer screenshot 4
Fitness Buddy+ Workout Trainer screenshot 5
Fitness Buddy+ Workout Trainer screenshot 6

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.

What We Love

  • 🚀 Great variety of exercises
  • 🚀 Comprehensive workout plans
  • 👍 Easy to use
  • 👍 Helpful for beginners

Room to Improve

  • 🐛 Frequent crashes and bugs
  • 🔒 Paywall for many features
  • 💰 Expensive subscription model
Fitness AI Gym Workout Planner#2

Fitness AI Gym Workout Planner by FitnessAI Inc.

Personal Trainer: Muscle Coach
Strong Contender
💪 Health & Fitness
4.7😊(56K ratings)
FreeAdsIn-App Purchases
Fitness AI Gym Workout Planner screenshot 1
Fitness AI Gym Workout Planner screenshot 2
Fitness AI Gym Workout Planner screenshot 3
Fitness AI Gym Workout Planner screenshot 4
Fitness AI Gym Workout Planner screenshot 5
Fitness AI Gym Workout Planner screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 🔍 Detailed exercise instructions
  • 📈 Tracks progress and adjusts workouts
  • 👍 Customizable to equipment available

Room to Improve

  • 🔢 Limited exercise selection
  • 🕰️ No warm-up or cool-down options
  • 🤔 Difficulty adjusting workouts
ProFit: Workout Planner#3

ProFit: Workout Planner by VGFIT LLC

Muscle Training in the Gym
Worth Considering
💪 Health & Fitness
4.6😐(43K ratings)
FreeAdsIn-App Purchases
ProFit: Workout Planner screenshot 1
ProFit: Workout Planner screenshot 2
ProFit: Workout Planner screenshot 3
ProFit: Workout Planner screenshot 4
ProFit: Workout Planner screenshot 5

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.

What We Love

  • 👍 Good app
  • 🚀 Helps get fit
  • 💪 Effective workouts
  • 🤩 Motivating

Room to Improve

  • 💰 Expensive subscription
  • 🔒 Locked features without premium
  • 🤔 Lack of free trial

More Muscle Building Trainer apps to explore

4
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
5
MuscleMaxme - Build Muscle
MuscleMaxme - Build Muscle
MuscleMaxme - Build Muscle
Gym Fitness & Home Workout
Free

This app provides AI-powered, personalized 21-day fitness plans designed by experts. It offers flexible, short workouts suitable for all levels, from beginners to professionals, with video guidance for targeted body part training.

AI-powered personalized fitness plans21-day customized workout programsShort daily workouts (10-15 minutes)
💪 Health & Fitness
(787)
subscription
6
Muscle Booster Workout Tracker
Muscle Booster Workout Tracker
Muscle Booster Workout Tracker
Calisthenics, Chair, Gym Plans
Free

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.

Personalized workout plans1000+ exercise libraryHome and gym workouts
💪 Health & Fitness
(135K)
free with in-app purchases
7
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
8
Gym Workout: Trainer & Tracker
Gym Workout: Trainer & Tracker
Gym Workout: Trainer & Tracker
Pocket Gym Trainer and Coach
Free

This app provides a comprehensive guide for gym and home workouts, covering 10 body parts with offline video demonstrations. It offers various workout plans for different goals, custom routine creation, and helpful fitness calculators and daily tips.

10 body part exercisesOffline workout videosGoal-oriented workout plans
💪 Health & Fitness
(4.4K)
free with in-app purchases
9
Build Muscle Strength Training
Build Muscle Strength Training
Build Muscle Strength Training
Full Body Development
Free

This app offers structured strength training programs designed to help users build muscle and avoid plateaus. It provides audio guidance, instructional videos, and customized weekly workouts, with an optional coaching feature that combines music and trainer motivation.

Progression training programsWorks all major muscle groupsAudio guidance from digital trainer
💪 Health & Fitness
(0)
free with in-app purchases
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
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
12
Planfit AI Gym Workout Planner
Planfit AI Gym Workout Planner
Planfit AI Gym Workout Planner
Personal Trainer Fitness Plans
Free

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.

Personalized AI workout plannerOptimized sets and repsMachine/equipment guide
💪 Health & Fitness
(7.2K)
freemium
13
BAU5 Strength Workout Trainer
BAU5 Strength Workout Trainer
BAU5 Strength Workout Trainer
Personal Fitness Coach For Men
Free

This app acts as a digital personal trainer, offering customized workout plans and expert guidance to help users achieve their fitness goals. It provides step-by-step instructions, video tutorials, and motivational support, with a focus on science-based training and efficient recovery.

Customized workout routinesStep-by-step exercise guidanceVideo tutorials for proper form
💪 Health & Fitness
(576)
free with in-app purchases
14
Bodybuilding Home Workouts Pro
Bodybuilding Home Workouts Pro
Bodybuilding Home Workouts Pro
Build Muscle & Get Fit at Home
Free
💪 Health & Fitness
(0)
15
Muscle Building Food Tracker
Muscle Building Food Tracker
Muscle Building Food Tracker
Body Builder Macros By Fittur
Free

This app helps users track their macronutrients for muscle building and fat loss. It offers personalized daily targets based on body composition and training, with tools for quick food logging and advanced customization.

Personalized macro targets based on body compositionDaily target adjustments for training and body changesFast food logging via swipe or scan
💪 Health & Fitness
(409)
free with in-app purchases
16
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
17
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
18
Personal Training Coach
Personal Training Coach
Personal Training Coach
Get stronger, build muscle
Free

This app provides personalized workout plans for strength training, muscle building, and fat loss. It offers a library of proven programs or allows custom routine creation, with features for tracking progress and guidance on exercises and weight.

Personalized workout plansLibrary of proven workout programsCustom workout routine creation
💪 Health & Fitness
(210)
freemium
19
Workout Trainer AI
Workout Trainer AI
Workout Trainer AI
Personalized fitness coaching
Free

Achieve your fitness goals with AI-powered personalized coaching. Access multimedia workouts, track various sports, log weightlifting, and connect with a supportive community. Enhance your training with advanced heart rate feedback and performance analysis.

AI personalized weekly plansMultimedia workouts for all levels70+ sports activities tracking
💪 Health & Fitness
(7.6K)
free with in-app purchases
20
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
(9.1K)
free with in-app purchases