SimMon
62
Quality Score
Solid
SimMon
Low confidence
✍️ bumetric analysis
“
SimMon is an iOS app from Castle Andersen ApS in the Education category, currently rated 4.7★ across 10 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 62: 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
$1.5K
per month
→
12-mo forecast
$1.3K – $4.7K
per month
→
24-mo forecast
$1.2K – $11.0K
per month
INDIE 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
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
📈
Pays back in ~5 months at current MRR
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
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$200K
↳ What it would sell for · not monthly revenue
Marketplace range $150K – $275K · 17× MRR multiple
💸
~3.3× return on build cost
Synthetic estimate. Multiple band derived from ad-supported + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
How the multiple was built
| 📺 Ad-supported base | 15× MRR |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Education category multiple | +6% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
17× MRR
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$1.5K/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$1.3K – $3.0K
12 months
$1.3K – $4.7K
24 months
$1.2K – $11.0K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Pre-traction · 37/100INDIE TIERFREE (NO MONETIZATION)limited signalGrowth Velocity
5.0
Founder Strength
5.1
Product Quality
2.3
Revenue Strength
3.2
Monetization Maturity
0.5
Defensibility
4.5
Market Position
2.0
Operational Safety
7.3
- 💰 Revenue: Modest — $601 - $3762/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.7★ across 10 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Moderate — rating drift -1.00 ★ (recent 50 vs lifetime).
🎯 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 = $27K-$48K. Portfolio play ($12K/mo combined) commands premium.
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:
| Paid app ($0.00)METRIC | +$2,800 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| Mature app (16y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Pre-traction phase (10 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 · v1.8.14
- Bug fixes
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- SimMon
- Developer
- Castle Andersen ApS
- Bundle ID
- dk.castleandersen.dreamteam.simmon
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- DA, EN, DE, HU
Company
- Website
- Not found
- Tagline
- SimMon goes where you go.
- Description
- Not found
- 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
- $12.1K/mo
- Top-grossing rank
- Outside top 100 in US Education
- All-time revenue
- Not found
- Pricing
- Not found
Founder
Founder data not yet collected for this app.
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
Contacts & Socials data not yet collected for this app.
⭐Recent App Store Reviews12 latest · avg 3.92★ · 58.3% 5★ · 8.3% 1★
5★7 (58%)
4★1 (8%)
3★1 (8%)
2★2 (17%)
1★1 (8%)
+0 ratings/week
Praise: great ×4 awesome ×2 amazing ×2 love ×1 fantastic ×1
Top positive
★★★★★ Great product!
I am super happy with this. I paid $1000 for another trainer program and I like this one better. We strap a large iPad onto the monitor. When the students connect the leads to our simulated patient, you can add the data using your iPhone as…
★★★★★ Awesome and Good price!!!
Very smart and intuitive app! Good to teach in all occasion!…
Top negative
★☆☆☆☆ Not so good
SVT, NSR, and VT are all the same waveform!!
Very limited ability to show different clinical situations.…
★★☆☆☆ Defibrillator
If you have an iPhone as your only option, using as the monitor, the device will not allow defibrillator option…
📈Ratings growth10 ratings+900% lifetimeShow 3-year history estimate ▾
Tracked (15 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.
💰Pricing History$0.00 → $22.99 (+0%)
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
SimMon is a basic remote controlled patient monitor for full scale medical simulation.
Using SimMon on any pair of devices, iOS 13 or newer, gives you a simple remotely controlled simulated patient monitor.
An iPad makes for an ideal multi-touch controlled remote and the big screen makes a great bedside patient monitor.
Open SimMon on your two devices of choice and connect via WiFi or Bluetooth. Change the blood pressure, oxygen saturation, respiration rate or heart rate by touching the value and dragging your finger up or down.
Simple setup. Easy operation. Low cost.… View full description on the official store →
Using SimMon on any pair of devices, iOS 13 or newer, gives you a simple remotely controlled simulated patient monitor.
An iPad makes for an ideal multi-touch controlled remote and the big screen makes a great bedside patient monitor.
Open SimMon on your two devices of choice and connect via WiFi or Bluetooth. Change the blood pressure, oxygen saturation, respiration rate or heart rate by touching the value and dragging your finger up or down.
Simple setup. Easy operation. Low cost.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 9 MB🔞 4+📱 iOS 15.6+🔖 v1.8.14🔄 updated 0d ago🌐 DA, EN, DE, HU📂 Education💰 Paid
📅
What Worked™ · Development Pipeline
8 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 ↑ 4.00 → 4.70 (improved 0.70★)
2026-05
📈
Crossed 10 ratings — social-proof flywheel kicking in
2026-05
💲
Went paid — introduced $22.99 price point
2021-10
📈
Crossed 10 ratings — social-proof flywheel kicking in
2014-02
⭐
Rating ↓ 4.25 → 3.60 (dropped 0.65★)
2012-06
⭐
Rating ↑ 3.50 → 4.00 (improved 0.50★)
2012-06
⭐
Rating ↑ 2.00 → 3.50 (improved 1.50★)
2011-08
🚀
First tracked snapshot — initial data captured
🗣
Voice of Customer
Based on 67 reviews across 7 markets● 66% positive · ● 22% neutral · ● 12% negative · Rating drift: -1.00★ (declining — recent 50: 3.7★ vs lifetime: 4.7★)
Sentiment by country (−1 to +1)
🇦🇺 AU
+0.87
🇬🇧 GB
+0.64
🇺🇸 US
+0.63
🇫🇷 FR
+0.45
🇨🇦 CA
+0.27
🇯🇵 JP
+0.00
🇩🇪 DE
-0.11
Top praise themes
high fidelity ×4 teaching tool ×3 simulated patient ×3 life support ×3 highly recommend ×3 simulation training ×3 medical simulation ×3 simple ×12
Top complaint themes
basic ×4 support ×4 ist ×3
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 5★ | 3 | 5★ this version |
| 🇧🇷 BR | 0★ | 0 | — |
| 🇨🇦 CA | 4.5★ | 2 | 4.5★ this version |
| 🇩🇪 DE | 4★ | 3 | 4★ this version |
| 🇫🇷 FR | 5★ | 1 | 5★ this version |
| 🇬🇧 GB | 5★ | 2 | 5★ this version |
| 🇮🇳 IN | 0★ | 0 | — |
| 🇯🇵 JP | 5★ | 1 | 5★ this version |
| 🇺🇸 US | 4.7★ | 10 | 4.7★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
About this analysis
Why low confidence: only 10 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
📌 Final verdict — read this before you trust the numbers above
SimMon is a early-stage iOS app in the education space with weak public traction — only 10 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 SimMon make per month?▴
Our model estimates SimMon earns roughly $12K/mo, but with only 10 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 SimMon?▴
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 SimMon?▴
SimMon is published by Castle Andersen ApS 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 SimMon's BU Score?▴
SimMon has a BU Score of 62/100 (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.