Best 4 Day Muscle Building Workout Split Apps & Games

220+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated July 2026

Whether you're new to 4 day muscle building workout split or looking for an upgrade, our curated collection of 220+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for 4 Day Muscle Building Workout Split

Fitbod: Gym & Fitness Planner#2

Fitbod: Gym & Fitness Planner by Fitbod Inc.

AI Personal Trainer & Workouts
Strong Contender
💪 Health & Fitness
4.8😊(276K ratings)
FreeAdsIn-App Purchases
#16in Health & Fitness
Fitbod: Gym & Fitness Planner screenshot 1
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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
Fitness for muscles | Fitcher#3

Fitness for muscles | Fitcher by NETSHAPE DEVELOPMENT

Daily workout challenge
Worth Considering
💪 Health & Fitness
4.1😊(1.6K ratings)
FreeAdsIn-App Purchases
Fitness for muscles | Fitcher screenshot 1
Fitness for muscles | Fitcher screenshot 2
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Fitness for muscles | Fitcher screenshot 5
Fitness for muscles | Fitcher screenshot 6

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.

What We Love

  • 🚀 Quick workouts
  • 👍 User-friendly interface
  • 🔥 Challenging exercises
  • 📚 Helpful video instructions

Room to Improve

  • 🐛 Glitches and crashes
  • 💰 Expensive subscription
  • 🔒 Lack of free trial

More 4 Day Muscle Building Workout Split apps to explore

4
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
5
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
6
Stronglifts 5x5 Workout Plan
Stronglifts 5x5 Workout Plan
Stronglifts 5x5 Workout Plan
Barbell Strength Training Plan
Free

This app guides you through a proven barbell strength training program with no guesswork. It plans every exercise, set, and weight for you, allowing you to focus on lifting and see consistent progress. Ideal for beginners or those returning to strength training.

Proven 3x/week strength programAutomated progressionGuided workouts with timers
💪 Health & Fitness
(76K)
free with in-app purchases
7
Muscle Building Workout Split
Muscle Building Workout Split
Muscle Building Workout Split
Gym Planner, Program for Gains
Free

This app provides structured workout plans for muscle building, including beginner, intermediate, and advanced routines. It features exercise videos, custom plan creation, and integrated HIIT programs to enhance gains and fat loss.

4-Day Muscle Building Workout PlanCustom Workout PlannerHIIT Programs
💪 Health & Fitness
(4)
free with in-app purchases
8
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
9
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
10
TrainHeroic: Strength Training
TrainHeroic: Strength Training
TrainHeroic: Strength Training
Gym Tracker, Workout Log Plans
Free

This app helps users track gym workouts, plan training sessions, and monitor progress. It offers exercise demo videos, coaching points, and features to celebrate achievements like personal records and total volume lifted.

Workout tracker and logWorkout planner and libraryExercise demo videos
💪 Health & Fitness
(1.8K)
free with in-app purchases
11
Iron Muscle 2
Iron Muscle 2
Iron Muscle 2
by Andor Mate
Free

Create a virtual bodybuilder and engage in various gym workouts to build muscle and achieve your desired physique. Explore a city with shops, restaurants, and social interactions while progressing in your fitness journey.

Bodybuilder customizationMultiple gym workout exercisesFitness training routines
🎮 Games
(231)
free
12
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
13
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
14
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
15
Gymaholic: Workout Tracker
Gymaholic: Workout Tracker
Gymaholic: Workout Tracker
Weight Lifting Routine Planner
Free

This app helps you track workouts, build custom routines, and monitor progress. It offers a large exercise library with instructions and animations, seamless Apple Watch integration, and health app syncing. Optimize your training with built-in timers and voice guidance.

Track every workout (sets, reps, weights)Create personalized workout routinesAccess 850+ exercises with 3D animations
💪 Health & Fitness
(3.4K)
freemium
16
90 Day Challenge
90 Day Challenge
90 Day Challenge
by Browney B.V.
Free

This app provides personalized 90-day fitness programs tailored to your goals, fitness level, and preferred training style. Track your progress with detailed metrics, view body changes, and stay motivated with streaks and badges. You can also challenge friends to join your fitness journey.

Personalized 90-day workout programsIn-app progress tracking (weight, reps, PRs)Monthly strength tests
💪 Health & Fitness
(4.5K)
free with in-app purchases
17
Home Workout No Equipment.
Home Workout No Equipment.
Home Workout No Equipment.
Bodyweight Training for Men
Free

This app offers effective bodyweight training routines specifically designed for men to build muscle, burn fat, and improve performance. It provides personalized workouts, AI coaching, and progress tracking, requiring no gym equipment for most exercises.

Personalized workouts for menAI fitness coach for guidanceBodyweight and optional equipment training
💪 Health & Fitness
(825)
subscription
18
Upper/Lower 4 Day Gym Bodybuilding Split Workout
Upper/Lower 4 Day Gym Bodybuilding Split Workout
Upper/Lower 4 Day Gym Bodybuilding Split Workout
by Shane Clifford
Free

This app provides a structured 4-day workout split designed for muscle building, incorporating heavy compound lifts, machines, and specific tempo training. It includes exercise guides, recipes, workout scheduling, and progress tracking features.

4-day training splitHeavy compound exercisesExercise guides (text & video)
💪 Health & Fitness
(25)
free
19
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
20
Home Workout - Fitness Planner
Home Workout - Fitness Planner
Home Workout - Fitness Planner
Bodyweight Exercises Training
Free

This app offers scientifically designed, equipment-free workout plans for all muscle groups. Get personalized guidance from certified trainers to tone muscles and achieve fitness goals at home, with options to sync data with Apple Health.

Equipment-free workoutsWorkout plans for all muscle groupsHD video exercise demonstrations
💪 Health & Fitness
(11K)
freemium