Comparison

Muscle Booster Workout Tracker vs THRST

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

THRST

Access a vast library of training guides and personalized workout recommendations. Discover over 200 healthy meal options with preparation instructions and create custom shopping lists. Track your fitness progress with detailed analytics and video exercise demonstrations.

Highlights
  • 30+ physique-altering training guides
  • Personalized guide recommendations
  • 200+ healthy meal options
  • Weekly shopping lists
  • Exercise video demonstrations
  • Progress tracking dashboard
  • Knowledge library with exclusive content
Features
Read full description

Receive 30+ Physique-Altering Training Guides. Choose guides for ANY training style including; PPL, Bro Splits, Summer Shred, Mike’s personal guide and so many more Select from countless training guides for growing lean muscle, burning fat and building strength Receive recommended guides, bespoke to your specific goals Decide how many days a week you want to train Receive video demos of each exercise to perfect your form Access NEW programmes and guides added to the app each year Discover The Perfect Guide For Your Goal. With this many guides at your fingertips, it can be hard to pick just one. Instead, let us choose for you. Inside the app, you’ll receive tailored guide recommendations based on your goals and ability PLUS a new guide library for you to select from countless individual workout guides! Never Stress About Nutrition Again. With the THRST nutrition library, you’ll find 200+ meals with step-by-step preparation methods, ingredient lists and nutritional info to help you dial in your diet, build muscle and burn fat easier than ever. Over 200+ meals for building muscle and melting away body fat Plenty of variety for Vegan, Vegetarian & Standard diets Weekly shopping lists prepped for you Easily switch between meals to suit your taste Customise and add your favourite daily meals to your plan Access The THRST Knowledge Library Having workouts to follow is one thing. Knowing how to integrate fitness with your lifestyle is another. As a THRST App exclusive, you’ll receive access to our knowledge library with members-only content on lifestyle advice, training best practices, form perfection, nutrition and more. See Your Growth In Real Time. What gets measured gets managed. But often it’s way too inconvenient to keep a journal logbook of all your lifts. That’s why we’ve given you a custom dashboard to track your progress over time, monitor your weight changes and capture physique update pictures all in one place. A Cutting-Edge Workout Experience. Easily monitor your lifting progress in one powerful app. Track your reps, weight lifted, sets, time for completion, recommended tempo AND receive suggestions on what weight you should be lifting based on your previous lifts to guarantee consistent progression. Your subscription will work across your devices and renew automatically unless cancelled at least 24 hours prior to the end of the subscription period. Subscriptions can be managed and auto-renewal turned off in Account Settings within iTunes after purchase. Once purchased, no refunds will be provided for any unused portion of the term. By creating an account you agree to the T&Cs which can be found here -> https://thrstofficial.com/pages/terms-and-conditions

Screenshots

Muscle Booster Workout Tracker4 screens
THRST4 screens

Verdict

The call

The clearest difference is monetization model: Muscle Booster Workout Tracker at free with in-app purchases against THRST's subscription. Muscle Booster Workout Tracker also leads on ratings volume (138K vs 1.1K) and update cadence (every 2 weeks vs monthly). THRST's advantage is review sentiment (68% vs 43%) and rating (4.8 vs 4.5). On price, ads, in-app purchases and device support 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 THRST sells 4 in-app purchases, starting at $15.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

THRST holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Muscle Booster Workout Tracker has 138K ratings behind it against 1.1K, so its average is the more settled of the two. Written reviews point the same way: 43% of Muscle Booster Workout Tracker's written reviews are positive against 68% of THRST's.

UpkeepUpdate frequency

Muscle Booster Workout Tracker ships an update every 2 weeks, THRST monthly. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

Scorecard7 real differences · 4 level
Muscle Booster Workout Tracker versus THRST: the parameters behind the verdict, then further details
ParameterMuscle Booster Workout TrackerTHRST
PriceFreeFree
Rating4.5 (138K ratings)4.8 (1.1K ratings) — better
Positive reviews43.5% of reviews68.5% of reviews — better
Number of ratings138K — better1.1K
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
Best chart rank#68 — better—
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size574 MB86 MB
Age rating17+4+
DeveloperWELLTECH APPS LIMITEDMIKE THURSTON LTD

Customer experience

Muscle Booster Workout Tracker

All ratings137,667 ratings
Positive89.5%
Neutral3.6%
Negative7.0%
Written reviews2,842 reviews
Positive43.5%
Neutral8.1%
Negative48.4%

THRST

All ratings1,125 ratings
Positive95.8%
Neutral2.0%
Negative2.1%
Written reviews165 reviews
Positive68.5%
Neutral7.9%
Negative23.6%

User reviews

Muscle Booster Workout Tracker

From 138K 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

THRST

From 1.1K App Store ratings

What we love

  • 🚀 Awesome app
  • 👍 Great workouts
  • 👍 Simple and easy to use
  • 👍 Effective for results
  • 👍 Comprehensive app

Room to improve

  • 🐛 Buggy and glitchy
  • 🐛 Crashes and freezes
  • 🐛 Tracking issues
  • 🐛 Inconsistent performance
  • 🐛 Needs more stability and reliability

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

THRST

Reported bugs

7 issues
  • Workout history tracking issues
  • Back button functionality problems
  • Inconsistent weight/rep recording
  • Freezing and crashing during use
  • Incorrect exercise substitutions
Show 2 more
  • Unreliable sync between devices
  • Signup and login problems

Requested features

10 requests
  • Add ability to create custom workouts
  • Improve weight/rep tracking accuracy
  • Implement offline workout access
  • Enhance UI/UX for better usability
  • Add more workout plan variety
Show 5 more
  • Improve meal plan options and customization
  • Integrate rest timer and tempo features
  • Allow speed controls for video content
  • Provide option to decline notifications permanently
  • Add more leg-focused workouts

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
4 purchases

THRST

Subscriptions4
  • Monthly$15.991 Month
  • 1 Month Subscription1 Month trial$24.991 Month
  • Quarterly Subscription$57.993 Months
Show 1 more
  • Annual$174.991 Year

Questions

Is Muscle Booster Workout Tracker free?
Muscle Booster Workout Tracker is free to download, with in-app purchases available.
Is THRST free?
THRST is free to download, with in-app purchases available.
Which has better reviews, Muscle Booster Workout Tracker or THRST?
THRST is rated higher. Muscle Booster Workout Tracker averages 4.5 out of 5 from 138K ratings, while THRST averages 4.8 from 1.1K ratings.
Do Muscle Booster Workout Tracker or THRST have ads?
Neither Muscle Booster Workout Tracker nor THRST shows ads.
Which is updated more often, Muscle Booster Workout Tracker or THRST?
Muscle Booster Workout Tracker ships an update every 2 weeks, and THRST monthly. Most recently, Muscle Booster Workout Tracker was updated on September 25, 2026 and THRST on September 22, 2026.

Other comparisons