Independent automated assessment · 3 signal sources · 97 reviews scanned · analyzed 2026-10-05.
4.6 ★137,938 ratings
—Downloads
17+Age rating
602 MBApp size
Free · In-app purchasesIn-app purchases
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.…
Preview
Real screenshots from the store listing.
Independent evidence report
Evidence and review signals
This is where the page changes from an app-store listing into an evidence report: findings, important reviews, pricing and a dated history.
Which version this describes
When we ran this analysis, and what the store lists now.
This analysis describes version 3.82.0 of the app, analyzed 2026-10-05 . The app may have changed since.
The store currently lists version 3.82.0, updated 2026-09-22.
What we measured
Each line is a measurement published as a measurement, never a verdict.
Each line is a measurement, published as a measurement. Where we have not looked, the line says so rather than reading as a zero.
Developer replies to reviews
Replies to fewer than 1 review in 20
Price in the store description
States no price and billing period
Cancelling, in the store description
Does not say how to cancel
Themes reported by reviewers
No theme reported
Counted from the reviews we have read for this app. "No theme reported" means no theme reached our reporting threshold — it is not a finding that nothing is wrong with this app, and we do not say it is.
Five-star share of ratings
65–79% five-star
Arithmetic on the stores' own published rating counts. It says nothing about why the ratings fall where they do.
In the package we scanned
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence about the app, not a finding about it.
Graded bands · predicate set 1.4 · how these are measured
What the analysis found
App-specific findings, grouped by what each one rests on. How they are graded lives on its own page.
This assessment published no findings. That is a statement about what the evidence we had could show, not a clearance of the app.
Assessment & version history
App changes and Appworthy events in one timeline.
What this app sells
Useful store-disclosed pricing, kept below the app listing.
Items shown9
Lowest$14.99
Highest$59.99
1 Month Subscription$19.99
1 Month Subscription$24.99
1 Month Premium$14.99
3 Month Subscription$29.99
3 Months Subscription$39.99
Show 4 more purchases
1 Year Premium$59.99
Muscle Booster Premium$59.99
Muscle Booster Workout Premium$19.99
Premium Bundle$29.99