AO Surgery Reference
50
Quality Score
Solid
AO Surgery Reference
Low confidence
✍️ bumetric analysis
“
AO Surgery Reference is an iOS app from AO Foundation in the Education category, currently rated 4.4★ across 14 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 50: Solid (established niche player). For a Education app, that means established niche player. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
💰 Monthly revenue · now vs forecast
● Right now
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
per month
MID tierFREE
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
🤖Also on Android
$745/mo · 3K ratings · 4.4★
View →
ONE-TIME · BUILD
💰 Estimated build cost
$60K
↳ What it cost to build · not monthly revenue
Likely range $45K – $80K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Slow ROI — current MRR is well below build cost
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| ⚙ Education complexity ×1.20 | +$10K |
Total estimate
$60K
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Below median · 42/100MID TIERFREE (NO MONETIZATION)underperforming peersRevenue Strength
3.7
Product Quality
3.5
Market Position
2.0
Growth Velocity
5.0
Defensibility
7.5
Operational Safety
6.0
Founder Strength
5.7
Monetization Maturity
0.5
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.43★ across 14 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 378d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (378d since update).
🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.
💵 For acquirers: Estimated asking range 18-32× monthly = $90K-$160K.
Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
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:
| Mature app (15y old)METRIC | +$1,500 | |
| Good rating (4.4★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (14 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.
🆕 What's New · v4.1.1
Bug Fixes and Improvements:
Various bug fixes to enhance stability and performance.
Adjustments for a smoother and more reliable app experience.
Thank you for your feedback — we're continuously working to improve your experience
Various bug fixes to enhance stability and performance.
Adjustments for a smoother and more reliable app experience.
Thank you for your feedback — we're continuously working to improve your experience
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- AO Surgery Reference
- Developer
- AO Foundation
- Bundle ID
- org.aofoundation.aosurgery
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 17+
- Languages
- EN
Company
- Website
- Not found
- Tagline
- AO Foundation: Transforming Surgery–Changing Lives
- Description
- The AO is a medically-guided, not-for-profit organization, a global network of surgeons, and the world's leading education, innovation, and research organization specializing in the surgical treatment of trauma and musculoskeletal disorders.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
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 100 in US Education
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- twitter.com/aofoundation?lang=en
- linkedin.com/authwall?trk=bf&trkInfo=…
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
- Socials
- facebook facebook.com/AO.Foundation · instagram instagram.com/aofoundation_official · linkedin linkedin.com/authwall?trk=bf&trkInfo=… · twitter twitter.com/aofoundation?lang=en
- Not found
- Phone
- +41 81 414 21 11
- Contact page
- aofoundation.org/what-we-do/education…
- About page
- aofoundation.org/who-we-are
⭐Recent App Store Reviews15 latest · avg 4.73★ · 93.3% 5★ · 6.7% 1★
5★14 (93%)
4★0 (0%)
3★0 (0%)
2★0 (0%)
1★1 (7%)
+1 ratings/week
Praise: great ×10 best ×2 amazing ×2 perfect ×1 fantastic ×1
Top positive
★★★★★ The best kind of effort put in to orthopaedics world!
I'm seriously impressed by the way this app works, it's a huge benefit for any orthopaedic surgeon who is about to deal with a variety of cases after stepping in to operation theatre each morning, surgeons might already know most …
★★★★★ cool
i wanna be a future orthopedics surgeon and this is a really interesting app.. download it.…
Top negative
★☆☆☆☆ App not working
This is a great app when it’s working however, lately whenever I open it, nothing happens and I’m looking at a blank white screen.…
📈Ratings growth14 ratings+1300% lifetimeShow 3-year history estimate ▾
Tracked (18 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.
📝 About this app
QUICK ONLINE REFERENCE IN CLINICAL LIFE
Gain easy access to the award-winning AO Surgery Reference. AO Surgery Reference is an online repository for surgical knowledge. It describes the complete surgical management process from diagnosis to aftercare for all fractures of a given anatomical region, and also assembles relevant material that the AO has published before. It gives access to:
• aid in surgical decision making for 353 fracture types
• 172 approaches
• 1222 surgical procedures
• all richly illustrated with more than 30'000 Illustrations
and much more.… View full description on the official store →
Gain easy access to the award-winning AO Surgery Reference. AO Surgery Reference is an online repository for surgical knowledge. It describes the complete surgical management process from diagnosis to aftercare for all fractures of a given anatomical region, and also assembles relevant material that the AO has published before. It gives access to:
• aid in surgical decision making for 353 fracture types
• 172 approaches
• 1222 surgical procedures
• all richly illustrated with more than 30'000 Illustrations
and much more.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 518 KB🔞 17+📱 iOS 13.0+🔖 v4.1.1🔄 updated 0d ago🌐 EN📂 Education💰 Paid
📅
What Worked™ · Development Pipeline
5 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
⭐
Rating ↓ 5.00 → 4.43 (dropped 0.57★)
2026-05
📈
Crossed 10 ratings — social-proof flywheel kicking in
2026-05
🔄
Monetization changed: freemium → free
2011-12
📈
Crossed 10 ratings — social-proof flywheel kicking in
2010-11
🚀
First tracked snapshot — initial data captured
🗣
Voice of Customer
Based on 68 reviews across 7 markets● 66% positive · ● 24% neutral · ● 10% negative · Rating drift: -0.05★ (stable — recent 50: 4.38★ vs lifetime: 4.43★)
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇬🇧 GB
+0.86
🇺🇸 US
+0.81
🇨🇦 CA
+0.76
🇩🇪 DE
+0.40
🇮🇳 IN
+0.37
🇦🇺 AU
+0.33
🇧🇷 BR
-0.06
Top praise themes
sehr gut ×8 muito bom ×7 auf deutsch ×3 excellent ×8 trauma ×8 update ×7 ótimo ×6 iphone ×5
Top complaint themes
version ×4 working ×3
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.42856★ | 14 | 4.42856★ this version |
| 🇬🇧 GB | 5★ | 2 | 5★ this version |
| 🇩🇪 DE | 3★ | 4 | 3★ this version |
| 🇫🇷 FR | 5★ | 2 | 5★ this version |
| 🇯🇵 JP | 0★ | 0 | — |
| 🇨🇦 CA | 0★ | 0 | — |
| 🇦🇺 AU | 0★ | 0 | — |
| 🇧🇷 BR | 4.8★ | 5 | 4.8★ this version |
| 🇮🇳 IN | 4.8★ | 10 | 4.8★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
More by AO Foundation
View all →📦 Portfolio summaryINDIE studio
6apps·$1K/mocombined
✓ Diversified — top app contributes 45%; risk spread across portfolio
About this analysis
Why low confidence: only 14 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
📌 Final verdict — read this before you trust the numbers above
AO Surgery Reference is a early-stage iOS app in the education space with weak public traction — only 14 ratings, no founder-verified MRR, and not ranked in any monitored grossing chart. The app appears to be monetised, but public signals are too sparse for a precise revenue estimate.
Bottom line: treat all revenue, audience and acquisition-value numbers on this page as directional only — not founder-verified facts.
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does AO Surgery Reference make per month?▴
Our model estimates AO Surgery Reference earns roughly $86/mo, but with only 14 ratings the confidence interval is wide. No founder-verified MRR is available for this app, so this is a model output calibrated against comparable apps in the same category. See methodology for the formula.
What apps are like AO Surgery Reference?▴
Browse the full Education category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
Who makes AO Surgery Reference?▴
AO Surgery Reference is published by AO Foundation on the Apple App Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is AO Surgery Reference's BU Score?▴
AO Surgery Reference has a BU Score of 50/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.