Best Strength Training Core Apps

229+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated July 2026

Looking for free strength training core apps? 20 of our 229+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Strength Training Core

Nike Training Club#1

Nike Training Club by Nike, Inc

Training and Workouts
Editor's Choice
💪 Health & Fitness
4.8😊(277K ratings)
FreeAds
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Access expert-led workout programs and coaching for strength, conditioning, yoga, and mindfulness. Train at the gym or at home with guidance for all fitness levels. Track your progress and achieve your fitness goals.

What We Love

  • 🙌 Excellent variety of workouts
  • 💪 Effective for building strength and fitness
  • 🤸‍♀️ Great for beginners and advanced users
  • 🕰️ Convenient and flexible workout options

Room to Improve

  • 🐛 Frequent app crashes and bugs
  • 🤖 Impersonal and repetitive instructor voices
  • 🤔 Lack of customization and personalization
Metric - Strength Training#2

Metric - Strength Training by Core Advantage Pty Ltd

Barbell velocity & workout log
Strong Contender
💪 Health & Fitness
4.0(44 ratings)
FreeAdsIn-App Purchases
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This app revolutionizes strength training by offering advanced velocity-based tracking using your phone's camera, eliminating the need for expensive hardware. It provides detailed insights into fatigue, recovery, and progression, helping users maximize gains and prevent injuries.

Centr: Strength & Fitness App#3

Centr: Strength & Fitness App by CH Digital Pty Ltd

Build Muscle. Get Fit.
Worth Considering
💪 Health & Fitness
4.8😊(21K ratings)
FreeAdsIn-App Purchases
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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.

What We Love

  • 🤩 Excellent variety of workouts
  • 👍 Easy to follow instructions
  • 🍽️ Delicious and healthy recipes
  • 🧠 Helpful meditation and mindfulness content

Room to Improve

  • 🐛 Occasional app crashes and bugs
  • 🔍 Difficulty finding and accessing certain features
  • 💰 Expensive subscription cost

More Strength Training Core apps to explore

4
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
5
Muscle & Motion: Strength
Muscle & Motion: Strength
Muscle & Motion: Strength
Master Exercise Anatomy
Free

Explore exercise anatomy with interactive 3D animations. Understand muscle engagement, biomechanics, and common mistakes to train smarter and reduce injury risk. Access a vast library of exercises and educational content.

Interactive 3D anatomy model3D exercise anatomy libraryMuscle and joint involvement visualization
💪 Health & Fitness
(7.7K)
free with in-app purchases
6
Runna: Running Plans & Coach
Runna: Running Plans & Coach
Runna: Running Plans & Coach
5k to Marathon Training
Free

This app provides tailored running training plans designed by world-class coaches for all levels, from beginners to marathoners. It offers personalized programs, run tracking, strength training, and a supportive community.

Customized training plansSeamless run syncingHolistic running support
💪 Health & Fitness
(31K)
free with in-app purchases
7
LADDER Strength Training Plans
LADDER Strength Training Plans
LADDER Strength Training Plans
Fitness, Workouts, Coaching
Free

This app provides structured, coach-built daily workout plans for strength training, designed for home or gym. It offers in-ear coaching, video demonstrations, and progress tracking to eliminate guesswork and optimize your fitness journey.

Daily structured workout plansExpert coach-built programsIn-ear coaching and video demos
💪 Health & Fitness
(159K)
free with in-app purchases
8
TRX: Strength & Home Workouts
TRX: Strength & Home Workouts
TRX: Strength & Home Workouts
Suspension Bodyweight Workouts
Free

This app provides a comprehensive library of suspension and bodyweight workouts led by expert trainers. Access live and on-demand classes, multi-week programs, and science-backed training to build strength, burn fat, and improve mobility anywhere.

Suspension and bodyweight workoutsTrainer-led live and on-demand classes50+ multi-week fitness programs
💪 Health & Fitness
(21K)
free with in-app purchases
9
Keelo - Strength HIIT Workouts
Keelo - Strength HIIT Workouts
Keelo - Strength HIIT Workouts
Functional Fitness Training
Free

This app offers high-intensity functional fitness training combining strength and conditioning. It uses an AI algorithm to personalize your workouts, track progress, and provide instructional videos. Workouts can be done anywhere, with or without equipment.

AI-personalized workoutsStrength and conditioningFull body training
💪 Health & Fitness
(5.9K)
free with in-app purchases
10
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
11
STRNG
STRNG
STRNG
Top rated fitness training app
Free

This fitness app offers personalized workout plans and nutrition guidance from influential fitness experts. It provides a comprehensive exercise library, on-demand classes, and a supportive community to help users achieve their health and physique goals.

Personalized workout plansComprehensive exercise libraryOn-demand fitness classes
💪 Health & Fitness
(3.8K)
free with in-app purchases
12
Motra AI Workout Fitness Coach
Motra AI Workout Fitness Coach
Motra AI Workout Fitness Coach
Watch Gym Strength Training
Free

This app automatically tracks your gym strength training exercises using only your Apple Watch's motion. It offers AI-generated personalized workouts based on your recovery and goals, eliminating manual logging.

Automatic exercise tracking with Apple Watch motionTracks over 470 exercise types hands-freeAI-generated personalized workout plans
💪 Health & Fitness
(3K)
free with in-app purchases
13
JuggernautAI
JuggernautAI
JuggernautAI
Strength Training Workouts
Free

This app uses AI to create personalized strength training programs for powerlifting and powerbuilding. It adapts to your feedback and goals, optimizing volume, frequency, and exercise selection for maximum strength gains and recovery.

AI-generated personalized workout plansPowerlifting and Powerbuilding goal focusAdaptive training based on real-time feedback
💪 Health & Fitness
(7)
subscription
14
Plank Workout & Core Trainer
Plank Workout & Core Trainer
Plank Workout & Core Trainer
Transform Your Core Strength
Free

Build core strength and improve posture with progressive plank training. This app offers personalized coaching, seamless health integration, and equipment-free workouts for measurable results at home.

Progressive plank trainingPersonalized coachingPosture improvement
💪 Health & Fitness
(3)
freemium
15
Peak Strength
Peak Strength
Peak Strength
Athlete Performance Training
Free

This app provides personalized strength training plans for athletes of all levels, featuring HD exercise demonstrations, smart exercise swaps, and auto-regulated weights. It includes sport-specific programming, warm-ups, and a built-in rest timer for efficient and effective training.

Pro-level workouts tailored to training levelHD exercise demonstrations with technique cuesSmart exercise swaps for equipment availability
💪 Health & Fitness
(1.4K)
subscription
16
Bolt – Workout & Strength Log
Bolt – Workout & Strength Log
Bolt – Workout & Strength Log
Lifting Calendar & Gym Logger
Free

This app helps you organize exercise routines, discover new workouts, and track your progress towards fitness goals. Log lifts, record personal bests, and access detailed exercise instructions to improve your form and results.

Organize exercise routinesDiscover new workoutsTrack progress and personal records
💪 Health & Fitness
(1.3K)
free with in-app purchases
17
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
18
Daily Ab Workout - Abs Trainer
Daily Ab Workout - Abs Trainer
Daily Ab Workout - Abs Trainer
Exercises for Core & Stomach
Free

This app provides short, effective ab-sculpting routines for men and women. It features video demonstrations, on-screen instructions, and a timer, all developed by a certified personal trainer. No internet is required to access the workouts, and it integrates with the Health app.

5-10 minute ab workoutsVideo demonstrationsOn-screen instructions and timer
💪 Health & Fitness
(9K)
free with in-app purchases
19
Peloton Strength+
Peloton Strength+
Peloton Strength+
by Peloton Interactive, Inc.
Free

This app simplifies strength training with personalized programs and a workout generator. It offers expert-led guidance, progress tracking, and in-ear coaching to help you build muscle, increase strength, or improve overall fitness. Seamlessly track your performance and connect with your Apple Watch for real-time metrics.

Workout GeneratorExpert-Led ProgramsProgress Tracking
💪 Health & Fitness
(16K)
free with in-app purchases
20
Caliber: Strength Training
Caliber: Strength Training
Caliber: Strength Training
Workout Planner & Tracker
Free

This app offers science-based strength training, including workout planning, tracking, and exercise tutorials. It supports individual training, group workouts, and offers optional upgrades for personalized plans, advanced features, and one-on-one coaching.

Unlimited workout creation and tracking600+ exercise tutorials with videosWorkout groups for training with friends
💪 Health & Fitness
(5.7K)
free with in-app purchases