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76
BU Score
Strong

Muscle Booster Muskelaufbau

4.5 ✍️ Editor
✍️ BU Analytics Review

Muscle Booster Muskelaufbau is an iOS app from WELLTECH APPS LIMITED in the Health & Fitness category, currently rated 4.5★ across 131,221 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.

Our BU Score puts it at 76Strong (healthy traction). For a Health & Fitness app, that means healthy traction.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 15 of 15 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
High install base (131,221 ratings)METRIC
+$12,000
Paid app ($0.00)METRIC
+$2,800
Excellent rating (4.5★)METRIC
+$2,200
worth every pennyREVIEW
+$2,000
bugsREVIEW
−$1,800
5 starREVIEW
+$1,800
cancelledREVIEW
−$1,500
excellent appREVIEW
+$1,500
Multilingual (11 languages)METRIC
+$1,500
highly recommendREVIEW
+$1,400
slowREVIEW
−$1,200
too expensiveREVIEW
−$1,000
support teamREVIEW
+$900
priceyREVIEW
−$800
Established app (7y old)METRIC
+$800
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
Apr 26
May 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 549 MB🔞 17+📱 iOS 17.0+🔖 v3.74.0🔄 updated 1w ago🌐 EN, FR, DE, IT, JA +6📂 Health & Fitness💰 Paid🚀 Launched 2018 (7y old)

📝 About this app

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

🆕 What's New · v3.74.0

We've been busy making Muscle Booster even better!
This update fixes bugs and improves performance so your workouts feel effortless. Thanks for training with us, your dedication keeps us going.
Loving the app? A quick rating or review means the world to us (and yes, we read every single one)!

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Muscle Booster Muskelaufbau
Developer
WELLTECH APPS LIMITED
Bundle ID
com.musclebooster
App Store URL
Open in App Store
Category
Health & Fitness
Content rating
17+
Languages
EN, FR, DE, IT, JA, KO, PT, ZH, ES, ZH, UK

Company

Website
Not found
Tagline
Today
Description
Find apps and games for iPhone, iPad, Mac, and more on the App Store.
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
OG image

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
$700.0K ($600.0K – $800.0K)AI medium
AI annual estimate
$8.4M/yr
ML model estimate / mo
$7.9K/mo
Top-grossing rank
🇺🇸#42 /100   🇨🇦#45 /100   🇫🇷#53 /100   🇩🇪#57 /100   🇬🇧#62 /100   🇧🇷#67 /100   🇦🇺#78 /100
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
Not found
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
Not found
Phone
Not found
Contact page
Not found
About page
https://apps.apple.com/us/iphone/story/id1868888984
AI Revenue EstimateCONFIDENCE: MEDIUM
The iOS app "Muscle Booster Muskelaufbau" is estimated to generate between $600,000 and $800,000 in monthly revenue, with a central estimate of $700,000, leading to an annual estimate of $8.4 million. These figures primarily reflect app store revenue and may not include subscriptions initiated outside the app stores.
Sources mentioned: Sensor Tower, Adapty, Reteno
Recent App Store Reviews49 latest · avg 3.43★ · 55.1% 5★ · 32.7% 1★
5★
27 (55%)
4★
2 (4%)
3★
1 (2%)
2★
3 (6%)
1★
16 (33%)
+0 ratings/week
Praise: great ×10 love ×4 best ×3 perfect ×1 recommend ×1Complaints: subscription ×5 scam ×4 hate ×1 expensive ×1 refund ×1
Top positive
★★★★★ Great Workout
I have been using this app for about 2 years now. By staying consistent I have lost 50 lbs. This gives me a great routine for workouts and I like the challenges that are separate from the workouts. I get to choose different excuses if one s…
★★★★★ Routine started!
Needed something to get me moving and committed again. This is a great way to reach daily goals…
Top negative
★☆☆☆☆ Scammers
Scammed out of $79.99 that I never signed up for app is bogus !…
★☆☆☆☆ Too many upsales!
Is quite annoying you sign up for one thing and then they are asking to signup for another and then another. A log of hidden services they are constantly pushing and makes me feel highly uncomfortable.…
📈Ratings growth131,307 ratings+65% lifetimeShow 3-year history estimate ▾May 2023Jan 2026May 2026
Tracked (35 weeks) Pre-tracking estimate (34 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic DistributionTop 10Top 30Top 60
US#42CA#45FR#53DE#57GB#62BR#67AU#78JP#80
🌍Top Countries — Grossing Rank8 countries
🇺🇸US
#42 /100
🇨🇦CA
#45 /100
🇫🇷FR
#53 /100
🇩🇪DE
#57 /100
🇬🇧GB
#62 /100
🇧🇷BR
#67 /100
🇦🇺AU
#78 /100
🇯🇵JP
#80 /100
📊Category Rank Trajectory#42 now · best #39 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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