50
BU Score
Solid
Human Muscular System Guide
✍️ bumetric analysis
“
Human Muscular System Guide is an iOS app from Ryan Bittorf in the Education category, currently rated 5.0★ across 1 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 50: Solid (established niche player). For a Education app, that means established niche player.
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
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue 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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| Excellent rating (5.0★)METRIC | +$2,200 | |
| Mature app (10y old)METRIC | +$1,500 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (1 ratings)METRIC | −$300 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 54 MB🔞 12+📱 iOS 15.0+🔖 v3.1.0🔄 updated 1mo ago🌐 EN📂 Education💰 Paid🚀 Launched 2015 (10y old)
📝 About this app
Understand your body. Train smarter.
Muscle Guide is a clean, interactive way to learn human muscle anatomy—built for fitness, training, and everyday curiosity.
Whether you're working out, coaching, or just getting started, quickly explore muscles and understand how your body works.
Interactive Muscle Views
Explore muscles by body region
Switch between detailed and full-body views
Clean, distraction-free design
Built for Fitness
Learn which muscles you’re training
Improve mind-muscle connection
Perfect for gym beginners and enthusiasts
Simple & Fast
No clutter, no overwhelm
Tap and learn instantly
Designed for daily use
PERFECT FOR
Gym beginners
Personal training clients
Fitness enthusiasts
Students learning anatomy
Anyone curious about the human body
WHY USERS LOVE IT
Minimal and easy to use
Focused on what matters
No complicated medical jargon
Fast, visual learning
Muscle Guide is a clean, interactive way to learn human muscle anatomy—built for fitness, training, and everyday curiosity.
Whether you're working out, coaching, or just getting started, quickly explore muscles and understand how your body works.
Interactive Muscle Views
Explore muscles by body region
Switch between detailed and full-body views
Clean, distraction-free design
Built for Fitness
Learn which muscles you’re training
Improve mind-muscle connection
Perfect for gym beginners and enthusiasts
Simple & Fast
No clutter, no overwhelm
Tap and learn instantly
Designed for daily use
PERFECT FOR
Gym beginners
Personal training clients
Fitness enthusiasts
Students learning anatomy
Anyone curious about the human body
WHY USERS LOVE IT
Minimal and easy to use
Focused on what matters
No complicated medical jargon
Fast, visual learning
🆕 What's New · v3.1.0
refreshed look.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Human Muscular System Guide
- Developer
- Ryan Bittorf
- Bundle ID
- com.ryanbittorf.Muscles
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 12+
- Languages
- EN
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
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $86/mo
- Top-grossing rank
- Outside top 99 in US Education
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- 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
- https://apps.apple.com/us/app/letterloop-group-newsletters/id6468623700
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- https://apps.apple.com/us/iphone/story/id1648916522
📈Ratings growth1 ratingsShow 3-year history estimate ▾
Tracked (3 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
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.
Full revenue analysis
Read the article-style breakdown for Human Muscular System Guide: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.