Comparison

Muscle Building Workout Split vs SMART IRON Gym Workout Routine

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Muscle Building Workout Split

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.

Highlights
  • 4-Day Muscle Building Workout Plan
  • Custom Workout Planner
  • HIIT Programs
  • 100+ Built-in Exercises
  • Exercise Illustrations and Videos
  • Beginner, Intermediate, and Advanced Plans
Features
Read full description

Free 4-Day Muscle Building Workout Plan ------ With Precise Sets, Weight, Tracker & Timer ------ Enhanced with custom workout planner and HIIT programs Transform your physique with the Muscle Building app, tailored specifically for muscle-building enthusiasts. Craft your ideal body by focusing on lifting weights with our workout plans, and enhance fat loss, lean muscle gains, and cardiovascular endurance with our integrated HIIT programs. Our free 4-day muscle building plan offers the perfect weekly split of workouts that target all muscle groups. Combined with HIIT finisher workouts and progressive overload, it guarantees a boost in muscle size, lean muscle mass, and strength. Customize your muscle-builder training regimen effortlessly with our library of over 100 exercises, allowing you to design personalized workout plans that align with your muscle-building goals. Embark on your transformative journey to a shredded body today! -------------- MUSCLE BUILDING WORKOUT PLAN APP FEATURES -------------- Have a comprehensive personal training solution focused on building muscle size and lean muscle percentage at your fingertips. Access and follow effective workouts tailored to help you achieve your muscle-building objectives. ■ BUILT-IN BEGINNER, 3-DAY WORKOUT PLANS Start your journey to building a muscular physique with our beginner plans, carefully designed to introduce you to muscle-building exercises over three days. Each plan features set repetitions and lifting weights to guide your progress. ■ BUILT-IN INTERMEDIATE, 4-DAY WORKOUT PLANS Progress to the next level with our intermediate plans, spanning four days and providing a balanced mix of exercises to stimulate muscle growth and strength gains while ensuring proper recovery. ■ BUILT-IN ADVANCED, 5-DAY WORKOUT PLANS Challenge yourself with our advanced plans, spread over five days and incorporating advanced techniques to target specific muscle groups for optimal performance and results. ■ SUPPLEMENT WITH BUILT-IN HIIT PROGRAMS Boost fat burning and endurance with our HIIT programs, which also help build lean muscle mass. They ensure you enhance your physique and athletic performance. Explore a variety of HIIT workouts, including bodyweight exercises, assault bikes, and battle ropes. ■ ILLUSTRATIONS AND VIDEOS FOR EACH EXERCISE Building muscle requires proper form, focus, and resistance. Our muscle builder app ensures proper form and technique with visual guides and instructional videos for each exercise, minimizing the risk of injury and maximizing gains in each rep. ■ MAKE CUSTOM WORKOUT PLANS Adjust your workouts to your preferences with customizable plans, selecting from our extensive exercise library or adding your own. This allows you to address your weak sides, and to target specific muscle groups where you need growth. ■ 100+ BUILT-IN EXERCISES Access a diverse range of exercises curated for all fitness levels, providing variety and progression in your muscle-building journey. ■ TRACK PROGRESS AND PERFORMANCE Stay motivated and accountable with progress tracking features, monitoring improvements in strength, endurance, and overall fitness levels over time. ■ BUILT-IN TIMER FOR STRUCTURED WORKOUTS Optimize your training sessions with a built-in timer, ensuring efficient use of time and proper rest intervals for maximum productivity. ■ ADD CUSTOM FINISHER WORKOUTS Finish your muscle-building workouts strong with custom finisher routines, targeting specific muscle groups to accelerate your progress toward your fitness goals. ■ ACCESS TO RECOMMENDED WORKOUT EQUIPMENT LIST Discover essential workout equipment recommendations to enhance your home gym setup and support your muscle-building journey. Privacy Policy - https://www.appdiggity.com/privacy/ Terms of Service - https://www.appdiggity.com/terms/

About

SMART IRON Gym Workout Routine

This app provides structured, science-based gym workout programs designed for muscle growth and strength. It offers progressive overload and periodization to ensure continuous progress and prevent stagnation, making it ideal for both beginners and experienced athletes.

Highlights
  • Ready-made workout programs
  • Progressive overload guidance
  • Training periodization
  • Adaptable to fitness level
  • Detailed exercise plans
  • Progress tracking
Read full description

Your muscles are a reflection of your training volume. The higher the training volume you can effectively perform and recover from, the bigger and stronger your muscles become. In other words, the level of your muscles matches the volume of work you're capable of doing in the gym. Progressive overload is the key to growth — it's what gradually brings you to the training volume you're aiming for. Trying to force progress and skipping adaptation time leads to overtraining, injury, and zero growth. The goal we set at SMART IRON is to bring you to your target training volume smoothly, without mistakes, and as efficiently as possible SMART IRON is an app with ready-made, step-by-step workout programs for the gym that are created according to sports science principles. We've taken the best methods of professional trainers - progressive overload, periodization, and competent planning - and turned them into a convenient tool at your fingertips. If you've ever started going to the gym but quit because you didn't know what to do, SMART IRON can help you break that cycle. There are no chaotic workouts here, just clear, step-by-step plans designed to produce results. Why SMART IRON works • Training periodization - programs are divided into stages (strength, endurance, and hypertrophy) so your muscles constantly receive new stimuli. • Load progression — the app automatically tells you when to increase the weight, number of sets, or repetitions. • Detailed plans - each day of training is planned out step by step. All you have to do is show up to the gym and follow the plan. • Adaptation to your level - suitable for beginners and experienced athletes who want a systematic approach. Real results - gain muscle mass, burn fat, and increase strength and endurance. Who is this app for? • Those who are tired of starting and quitting. • Beginners who need a step-by-step gym plan. • Athletes who want to progress without stagnating. • Anyone who wants to train with a smart system, not blindly. What you get • Ready-made training programs for two, three, or more days a week. • Plans for different goals: mass gain, weight loss, and strength gain. • Detailed calculations of reps, sets, and working weights. • The ability to track your progress and make steady improvements. • Confidence — you always know what to do in the gym. How SMART IRON stands out from other apps Many apps only offer a database of exercises or random plans. SMART IRON, however, is a system that considers the entire training process, from warm-up to load cycling. This allows you to train safely without overtraining or stagnating. Training programs • Three-day FULL BODY for beginners. • Three-day FULL BODY. • Three-day SPLIT. • Three-day UPPER/LOWER. • Four-day SPLIT. • Four-day UPPER/LOWER. • Four-day UPPER/LOWER (PHUL). • Two-day plan. • Eight-week fat burning plan. • Plan with an emphasis on arm muscles. • Plan with an emphasis on chest muscles. • Plan with an emphasis on back muscles. • 6-day PPL. • Garage Gym. • Garage Gym for beginners. Subscription Details Payment will be charged to your iTunes account. Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current subscription period. Your account will be charged for renewal within 24 hours prior to the end of the current subscription period. Automatic renewals will cost the same price you were originally charged for the subscription. You can turn off auto-renewal at any time by going to your Account Settings on the App Store after purchase. Privacy Policy: https://smartiron.app/privacy.html Terms of Use: https://smartiron.app/terms.html Support: hello@smartiron.app

Screenshots

Muscle Building Workout Split4 screens
SMART IRON Gym Workout Routine4 screens

Verdict

The call

Muscle Building Workout Split and SMART IRON Gym Workout Routine both sit at 5.0 stars, but that hides the real split: 100% of SMART IRON Gym Workout Routine's written reviews are positive against 50% of Muscle Building Workout Split's. SMART IRON Gym Workout Routine also leads on update cadence (monthly vs every 15 months) and ratings volume (22 vs 4). Muscle Building Workout Split's advantage is iOS requirement (11.0 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Muscle Building Workout Split sells 4 in-app purchases, starting at $7.99 per month and SMART IRON Gym Workout Routine sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Muscle Building Workout Split against 4.9 for SMART IRON Gym Workout Routine. That said, the two scores are not equally well evidenced: SMART IRON Gym Workout Routine has 22 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 50% of Muscle Building Workout Split's written reviews are positive against 100% of SMART IRON Gym Workout Routine's.

UpkeepUpdate frequency

Muscle Building Workout Split ships an update every 15 months, SMART IRON Gym Workout Routine monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Muscle Building Workout Split versus SMART IRON Gym Workout Routine: the parameters behind the verdict, then further details
ParameterMuscle Building Workout SplitSMART IRON Gym Workout Routine
PriceFreeFree
Rating5.0 (4 ratings) — better4.9 (22 ratings)
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings422 — better
Update frequencyEvery 15 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size113 MB71 MB
Age rating12+4+
DeveloperApp Diggity, LLCLinar Islamov

Customer experience

Muscle Building Workout Split

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

SMART IRON Gym Workout Routine

All ratings22 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Muscle Building Workout Split

Subscriptions3
  • 1 Month Full Version Upgrade$7.991 Month
  • 6 Months Full Version Upgrade$34.996 Months
  • 1 Year Full Version Upgrade$49.991 Year
One-time1
  • Advertise remove and unlock features$2.99
2 purchases

SMART IRON Gym Workout Routine

Subscriptions1
  • SMART IRON Gym - Full access$7.991 Month
One-time1
  • One Month Access$4.99

Questions

Is Muscle Building Workout Split free?
Muscle Building Workout Split is free to download, with in-app purchases available.
Is SMART IRON Gym Workout Routine free?
SMART IRON Gym Workout Routine is free to download, with in-app purchases available.
Which has better reviews, Muscle Building Workout Split or SMART IRON Gym Workout Routine?
Muscle Building Workout Split is rated higher. Muscle Building Workout Split averages 5.0 out of 5 from 4 ratings, while SMART IRON Gym Workout Routine averages 4.9 from 22 ratings.
Do Muscle Building Workout Split or SMART IRON Gym Workout Routine have ads?
Neither Muscle Building Workout Split nor SMART IRON Gym Workout Routine shows ads.
Which is updated more often, Muscle Building Workout Split or SMART IRON Gym Workout Routine?
Muscle Building Workout Split ships an update every 15 months, and SMART IRON Gym Workout Routine monthly. Most recently, Muscle Building Workout Split was updated on November 2, 2026 and SMART IRON Gym Workout Routine on November 3, 2026.

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