E-Stethoskop & Auskultation
55
Quality Score
Solid
E-Stethoskop & Auskultation
Medium confidence
✍️ bumetric analysis
“
E-Stethoskop & Auskultation is an iOS app from Cherrysoft limited in the Education category, currently rated 4.2★ across 507 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 55: 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 tier
💡 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
$90K
↳ What it cost to build · not monthly revenue
Likely range $70K – $120K
$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 |
| 📦 Asset bundle (113 MB) | +$25K |
| ⚙ Education complexity ×1.20 | +$15K |
Total estimate
$90K
👥 Estimated audience size
43K
Lifetime downloads (US-equivalent)
Monthly active
7.7K
Daily active
2.3K
Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.
How we sized it
| 📲 Education engagement | ~85 installs / rating |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% sticky
🔬
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)
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 · 46/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
3.6
Product Quality
5.8
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
5.5
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.15★ across 507 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 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:
| Paid app ($0.00)METRIC | +$2,800 | |
| Multilingual (13 languages)METRIC | +$1,500 | |
| Good rating (4.2★)METRIC | +$800 | |
| Established app (7y old)METRIC | +$800 | |
| Early-stage install base (507 ratings)METRIC | +$400 |
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 · v3.5
physionet.org 2016 PCG dataset is integrated to the sound library.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- E-Stethoskop & Auskultation
- Developer
- Cherrysoft limited
- Bundle ID
- com.visne.hearthbeat
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 12+
- Languages
- AR, EN, FR, DE, EL, JA, KO, PT, RU, ZH, ES, ZH, TR
Company
- Website
- Not found
- Tagline
- Not found
- 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
- $287/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
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- cherrysoft.eu/contact
- About page
- cherrysoft.eu/about
📈Ratings growth507 ratings+50600% lifetimeShow 3-year history estimate ▾
Tracked (21 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
Turn your smartphone into an advanced tool for capturing and analyzing heart and bodily sounds with our user-friendly app.
Utilizing your device's built-in microphone, this app captures heart and bodily sounds and displays them in both time and frequency domains in real-time.
Experience the uniqueness of your own heartbeat - record, visualize, and share your heart's waveform with ease. Our intuitive app allows you to record and playback your own sound files, and even share them with friends for collaborative learning.… View full description on the official store →
Utilizing your device's built-in microphone, this app captures heart and bodily sounds and displays them in both time and frequency domains in real-time.
Experience the uniqueness of your own heartbeat - record, visualize, and share your heart's waveform with ease. Our intuitive app allows you to record and playback your own sound files, and even share them with friends for collaborative learning.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 113 MB🔞 12+📱 iOS 13.0+🔖 v3.5🔄 updated 0d ago🌐 AR, EN, FR, DE, EL +8📂 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 →
2026-03
⭐
Rating ↑ 1.79 → 4.00 (improved 2.21★)
2020-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
2020-05
⭐
Rating ↑ 1.50 → 2.00 (improved 0.50★)
2020-01
⭐
Rating ↑ 1.00 → 1.60 (improved 0.60★)
2018-06
🚀
First tracked snapshot — initial data captured
🧪
Tech & Domain Intel — cherrysoft.eu
- Mail provider
- Microsoft 365
Derived from public RDAP + DNS TXT records (no scraping, no login).
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4★ | 21 | 4★ this version |
| 🇧🇷 BR | 4.18145★ | 248 | 4.18145★ this version |
| 🇨🇦 CA | 3.59091★ | 44 | 3.59091★ this version |
| 🇩🇪 DE | 3.9697★ | 33 | 3.9697★ this version |
| 🇫🇷 FR | 4.19149★ | 47 | 4.19149★ this version |
| 🇬🇧 GB | 3.77778★ | 54 | 3.77778★ this version |
| 🇮🇳 IN | 4.33333★ | 21 | 4.33333★ this version |
| 🇯🇵 JP | 3.97778★ | 45 | 3.97778★ this version |
| 🇺🇸 US | 4.14989★ | 507 | 4.14989★ this version |
🔔
Track this app’s revenue
FREEGet an email when revenue moves by your threshold. No spam, unsubscribe in one click.
📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for E-Stethoskop & Auskultation: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Cherrysoft limited
View all →📦 Portfolio summaryINDIE studio
2apps·$430/mocombined
Lead-app heavy — top app contributes 67%
About this analysis
Why medium confidence: 507 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does E-Stethoskop & Auskultation make per month?▴
Based on our ML-calibrated revenue forecast, E-Stethoskop & Auskultation earns approximately $287/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
What apps are like E-Stethoskop & Auskultation?▴
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 E-Stethoskop & Auskultation?▴
E-Stethoskop & Auskultation is published by Cherrysoft limited 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 E-Stethoskop & Auskultation's BU Score?▴
E-Stethoskop & Auskultation has a BU Score of 55/100 (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.