Comparison

Muscle Booster Workout Tracker vs Workout Builder by WorkoutLabs

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

Head to head
About

Muscle Booster Workout Tracker

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.

Highlights
  • Personalized workout plans
  • 1000+ exercise library
  • Home and gym workouts
  • Calisthenics and weight loss plans
  • Workout timer and audio tips
  • Equipment-based plan creation
  • Muscle recovery guidance
Features
Read full description

Take your fitness journey to the next level with Muscle Booster Workout Tracker, the ultimate Workout Planner that integrates with your Apple Watch. Train anywhere, anytime with a complete gym & exercise app designed to help you get fit. What are you waiting for? MUSCLE BOOSTER WILL HELP YOU TO: Build muscle, sync with Apple Health, and boost your fitness schedule from home! With an integrated calorie tracker, body editor plan, and step-by-step gym workouts, you can stay motivated, get your belly flat, monitor your health, and achieve your fitness goals anywhere. Anywhere, Anytime! Whether you prefer home workouts, calisthenics, core, or weight loss, Muscle Booster provides personalized training plans for all levels. Work with your own digital coach and follow structured gym routines inspired by popular fitness and gym pros. Track your strength gains, body measurements, and fat loss with smart analytics and stay consistent in building a strong exercise routine and a healthy body. Explore hundreds of exercises and plans. Workout tracker, AI calorie tracker, and weight loss Strength training, HIIT, core, weightlifting, bodyweight calisthenics. Abs and belly training. Enjoy personalized sessions tailored to your fitness level. Build muscle, burn fat, and maintain overall health. Use the workout planner to schedule sessions and combine gym routines. Track your performance and measure your progress over time on Apple Health. Personalize your home workouts Workouts, calories burned, and heart rate in real-time. Customize your home workout sessions or gym routines with guided workouts, a training planner, anytime fitness, and exercises targeting your core, arms, legs, and full body. Whether your goal is to lift, get fit, or simply stay active, Muscle Booster keeps your activity high with interactive videos, progress tracking, and social features to connect with friends and fitness hotschedules. Customize your exercise routines on the go Join the community of weightlifting enthusiasts and get inspired by training programs from pros, and more. Train at home, in the gym, or on the go, with the flexibility to adapt exercise routines anytime. Track your progress with smart analytics, manage your diet, and see real-time results with Apple Watch integration. Whether you are following a body coach plan, a workout app program, or creating your own custom gym routines, Muscle Booster makes it easy to stay consistent and achieve your objectives. Designed for all fitness stages Muscle Booster Home Workout combines the best of home workouts, sports training, calisthenics, strength training, and guided video exercises into a single exercise app. With personalized workout plans, motivational tools, and a comprehensive tracker, you can lose fat, get stronger, and transform your body efficiently. Perfect for all levels, from beginners to advanced athletes, the app ensures your training is smart, effective, and fun. Follow your progress, stay inspired Take control of your health and training today. Use Muscle Booster for gym workout, home workouts, core, running, and all your sports needs. Track your progress, stay motivated, and become the strongest, healthiest version of yourself. With a full workout planner, personal coach features, and integration with your device, your goals are within reach. SUBSCRIPTION INFO: Download the app at no initial cost. Further use requires a subscription. A trial may be offered as indicated in the app. Subscription prices are shown in the app and charged to your Apple ID upon purchase confirmation. Subscriptions renew automatically unless auto-renewal is turned off at least 24 hours before the current period ends. Renewal charges occur within 24 hours before the current period expires. Terms of Use: https://legal.muscle-booster.io/page/terms-of-use Privacy Notice: https://legal.muscle-booster.io/page/privacy-policy

About

Workout Builder by WorkoutLabs

Create personalized home and gym workout plans in seconds with a vast library of illustrated exercises. This app offers beginner-friendly routines, progress tracking, and flexible scheduling to help busy women build strength and consistency.

Highlights
  • Custom workout creation
  • 800+ illustrated exercises
  • Exercise filtering
  • Flexible exercise swapping
  • Home & gym training plans
  • Progress tracking
  • Workout calendar
Features
Read full description

A simple workout app made for real life WorkoutLabs Fit helps busy women build custom workouts in seconds, follow easy home & gym plans, and feel confident with every exercise. No stress, no guesswork — just a routine that fits your day. Why women love it: - Create custom workouts in seconds - 800+ clear, illustrated exercises - Filter by muscle, equipment, or level - Swap exercises anytime - Perfect for toning, strength, and getting back into a routine Follow simple, effective plans - Easy home & gym training plans - Beginner-friendly structure - Hands-off timer & rest guide - Quick workouts for busy schedules Stay on track - Visual progress tracking - A flexible calendar you can move in one tap - Gentle reminders that keep you motivated 4.7 rating from 1,500+ reviews 4.5M+ workouts completed “Finally an app that makes the gym feel simple.” Build confidence, build consistency, and feel stronger — one simple workout at a time. Start free today — your plan is ready. Support: info@workoutlabs.com Privacy: https://workoutlabs.com/privacy-policy/ Terms of Service: https://workoutlabs.com/terms-of-use/

Screenshots

Muscle Booster Workout Tracker4 screens
Workout Builder by WorkoutLabs4 screens

Verdict

The call

Muscle Booster Workout Tracker and Workout Builder by WorkoutLabs both sit at 4.5 stars, but that hides the real split: 70% of Workout Builder by WorkoutLabs's written reviews are positive against 44% of Muscle Booster Workout Tracker's. Workout Builder by WorkoutLabs also leads on iOS requirement (15 vs 17.0). Muscle Booster Workout Tracker's advantage is ratings volume (139K vs 1K) and update cadence (every 9 days vs monthly). 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 Booster Workout Tracker sells 16 in-app purchases, starting at $9.99 per 7 days and Workout Builder by WorkoutLabs sells 7 in-app purchases, starting at $9.99 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 — 4.5 for Muscle Booster Workout Tracker against 4.7 for Workout Builder by WorkoutLabs. That said, the two scores are not equally well evidenced: Muscle Booster Workout Tracker has 139K ratings behind it against 1K, so its average is the more settled of the two. Written reviews are what separate them: 44% of Muscle Booster Workout Tracker's written reviews are positive against 70% of Workout Builder by WorkoutLabs's.

UpkeepUpdate frequency

Muscle Booster Workout Tracker ships an update every 9 days, Workout Builder by WorkoutLabs monthly. The most recent releases landed on October 31, 2026 and October 26, 2026 respectively.

Scorecard5 real differences · 6 level
Muscle Booster Workout Tracker versus Workout Builder by WorkoutLabs: the parameters behind the verdict, then further details
ParameterMuscle Booster Workout TrackerWorkout Builder by WorkoutLabs
PriceFreeFree
Rating4.5 (139K ratings)4.7 (1K ratings) — better
Positive reviews44.1% of reviews70.3% of reviews — better
Number of ratings139K — better1K
Update frequencyEvery 9 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#69 — better—
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS17.015 — better
Further details — not scored
Size575 MB87 MB
Age rating17+4+
DeveloperWELLTECH APPS LIMITEDWorkoutLabs, LLC.

Customer experience

Muscle Booster Workout Tracker

All ratings138,667 ratings
Positive89.4%
Neutral3.6%
Negative7.0%
Written reviews2,938 reviews
Positive44.1%
Neutral8.0%
Negative47.9%

Workout Builder by WorkoutLabs

All ratings969 ratings
Positive93.5%
Neutral1.9%
Negative4.6%
Written reviews145 reviews
Positive70.3%
Neutral7.6%
Negative22.1%

User reviews

Muscle Booster Workout Tracker

From 139K App Store ratings

What we love

  • 🚀 Great workouts
  • 👍 Easy to follow
  • 👍 Variety of exercises
  • 🚀 Customizable plans
  • 👍 Helpful for beginners

Room to improve

  • 🐛 Buggy app performance
  • 🔒 Lack of free trial
  • 💰 Expensive subscription
  • 👎 Limited gym equipment options
  • 👎 Repetitive exercises

Workout Builder by WorkoutLabs

From 1K App Store ratings

What we love

  • 👍 Great workouts
  • 🚀 Easy to use
  • 💡 Comprehensive exercise library
  • 🚀 Helpful instructions and visuals
  • 👍 Customizable workouts

Room to improve

  • 🐛 Glitches and bugs
  • 🐛 Freezing and crashing issues
  • 🐛 Syncing and login problems
  • 🔒 Subscription issues and lack of transparency
  • 💡 Limited exercise customization

Bugs and requests

Muscle Booster Workout Tracker

Reported bugs

5 issues
  • Workouts not logging properly
  • App freezing and crashing
  • Sync issues with Apple Watch
  • Inaccurate exercise counting
  • Inability to contact customer support

Requested features

5 requests
  • Ability to track progress and weights
  • Better integration with Apple Health
  • More personalized meal plans
  • Ability to customize workout schedules
  • Audio/voice guidance during workouts

Workout Builder by WorkoutLabs

Reported bugs

4 issues
  • Workouts disappearing from calendar
  • Inability to log in or access account
  • Freezing during workouts
  • Incorrect exercise information displayed

Requested features

5 requests
  • Add Apple Watch support
  • Improve calendar and scheduling features
  • Allow more customization of workouts
  • Expand exercise library with more options
  • Improve customer support and communication

In-app purchases

16 purchases

Muscle Booster Workout Tracker

Subscriptions15
  • 1 Week Subscription7 Days trial$9.997 Days
  • 1 Week Subscription$9.997 Days
  • 1 Week Subscription7 Days trial$14.997 Days
Show 12 more
  • 1 Month Premium$14.991 Month
  • Muscle Booster$14.991 Month
  • Muscle Booster Workout Premium3 variants$19.991 Month
  • 1 Month Subscription$19.991 Month
  • 1 Month 22.99 with 7-day free trial7 Days trial$22.991 Month
  • 1 Month Subscription$24.991 Month
  • 3 Month Subscription3 variants$29.993 Months
  • 3 Month Premium6 Months trial$39.993 Months
  • 3 Months Subscription6 Months trial$39.993 Months
  • 1 Year Premium2 variants$59.991 Year
  • Muscle Booster Premium$59.991 Year
  • 12 Month Subscription$79.991 Year
One-time1
  • Premium Bundle$29.99
7 purchases

Workout Builder by WorkoutLabs

Subscriptions6
  • WorkoutLabs Fit: Monthly Plan$9.991 Month
  • Monthly Plan Unlimited7 Days trial$9.991 Month
  • WorkoutLabs Fit: Yearly Offer$39.991 Year
Show 3 more
  • Daily Gym Workouts for a Year7 Days trial$69.991 Year
  • WorkoutLabs Fit: Yearly Promo$69.991 Year
  • WorkoutLabs Fit: Yearly Plan$69.991 Year
One-time1
  • WorkoutLabs Fit: Lifetime Pass$99.99

Questions

Is Muscle Booster Workout Tracker free?
Muscle Booster Workout Tracker is free to download, with in-app purchases available.
Is Workout Builder by WorkoutLabs free?
Workout Builder by WorkoutLabs is free to download, with in-app purchases available.
Which has better reviews, Muscle Booster Workout Tracker or Workout Builder by WorkoutLabs?
Workout Builder by WorkoutLabs is rated higher. Muscle Booster Workout Tracker averages 4.5 out of 5 from 139K ratings, while Workout Builder by WorkoutLabs averages 4.7 from 1K ratings.
Do Muscle Booster Workout Tracker or Workout Builder by WorkoutLabs have ads?
Neither Muscle Booster Workout Tracker nor Workout Builder by WorkoutLabs shows ads.
Which is updated more often, Muscle Booster Workout Tracker or Workout Builder by WorkoutLabs?
Muscle Booster Workout Tracker ships an update every 9 days, and Workout Builder by WorkoutLabs monthly. Most recently, Muscle Booster Workout Tracker was updated on October 31, 2026 and Workout Builder by WorkoutLabs on October 26, 2026.

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