42
BU Score
Emerging
Ped(z) - Kinderarzt Rechner
✍️ bumetric analysis
“
Ped(z) - Kinderarzt Rechner is an iOS app from Daniel Gräfe in the Education category, currently rated 4.0★ across 3 ratings. Initial signal reads as no scraped reviews yet: judgment based on metadata only.
Our BU Score puts it at 42: Emerging (early traction worth watching). For a Education app, that means early traction worth watching.
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:
| Mature app (13y old)METRIC | +$1,500 | |
| Good rating (4.0★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (3 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 →💾 17 MB🔞 17+📱 iOS 11.0+🔖 v3.9.2🔄 updated 1y ago🌐 EN📂 Education💰 Paid🚀 Launched 2012 (13y old)
📝 About this app
Helpful pediatric app for pediatricians, developed by a pediatrician. Helps with:
• Body percentiles: Calculation of several somatic percentiles (height, weight, head circumference, BMI etc.) according to:
- Kromeyer-Hauschild et al. 2001
- Hesse et al. 2016/2017
- Braegger C et al. 2011 (Züricher Longitudinalstudie)
- KiGGS study RKI 2013
- WHO Growth Charts
- CDC Growth Charts 2000
- Zemel et al 2015 (Mb Down)
• Blood Pressure percentiles: Normal values for blood pressure according to:
- KiGGS study RKI 2013
- AHA 4. Task Force Report 2005
• Pediatric Echocardiography: Z-Scores for pediatric echocardiography according to:
- Gautier et al. 2010
- Kampmann et al. 2000
- Zilberman et al. 2005
- Peterssen et al. 2008
- Dallaire et al. 2011
- Dallaire et al. 2016
- Koestenberger et. al 2009, 2012, 2012, 2014
• Fetal echocardiography: Z-Scores for fetal echocardiography according to:
- Lee 2010
• Birth percentiles: Calculation for term and preterm newborns according to:
- Voigt et al. 2006
- Fenton TR, Kim JH. A systematic review and meta-analysis to revise the Fenton growth chart for preterm infants. BMC Pediatr. 2013; 13:59 biomedcentral.com/1471-2431/13/59
• Spirometry normal values: Spirometric z-scores and normal values according to:
- Quanjer, P.H. et al. 2012
• Kidney percentiles: Z-Scores for ultrasound according to:
- Deeg/Weitzel et al. 1997
- Weizel 2012
• Syringe pump: Calculates Dosage or other parameters
• Gestational age: No more counting days/weeks in calendars
• QTc calculator: Corrected QT interval, QTc, either by RR-Interval or heart rate
• Body surface area: BSA according to Mosteller or DuBois
• ECG normal values: For Children and adults according to Park MK and Guntheroth WG 2006
• Target height: Estimated target height calculated by their parent's height according to Hermanussen et al 2003
• Hyperbilirubinemia: Thresholds for phototherapy and exchange transfusion according to the german AWMF guideline 024 - 007
DISCLAIMER: No warranty. Use it only as control to your own calculations. Please seek a doctor’s advice in addition to using this app and before making any medical decisions
• Body percentiles: Calculation of several somatic percentiles (height, weight, head circumference, BMI etc.) according to:
- Kromeyer-Hauschild et al. 2001
- Hesse et al. 2016/2017
- Braegger C et al. 2011 (Züricher Longitudinalstudie)
- KiGGS study RKI 2013
- WHO Growth Charts
- CDC Growth Charts 2000
- Zemel et al 2015 (Mb Down)
• Blood Pressure percentiles: Normal values for blood pressure according to:
- KiGGS study RKI 2013
- AHA 4. Task Force Report 2005
• Pediatric Echocardiography: Z-Scores for pediatric echocardiography according to:
- Gautier et al. 2010
- Kampmann et al. 2000
- Zilberman et al. 2005
- Peterssen et al. 2008
- Dallaire et al. 2011
- Dallaire et al. 2016
- Koestenberger et. al 2009, 2012, 2012, 2014
• Fetal echocardiography: Z-Scores for fetal echocardiography according to:
- Lee 2010
• Birth percentiles: Calculation for term and preterm newborns according to:
- Voigt et al. 2006
- Fenton TR, Kim JH. A systematic review and meta-analysis to revise the Fenton growth chart for preterm infants. BMC Pediatr. 2013; 13:59 biomedcentral.com/1471-2431/13/59
• Spirometry normal values: Spirometric z-scores and normal values according to:
- Quanjer, P.H. et al. 2012
• Kidney percentiles: Z-Scores for ultrasound according to:
- Deeg/Weitzel et al. 1997
- Weizel 2012
• Syringe pump: Calculates Dosage or other parameters
• Gestational age: No more counting days/weeks in calendars
• QTc calculator: Corrected QT interval, QTc, either by RR-Interval or heart rate
• Body surface area: BSA according to Mosteller or DuBois
• ECG normal values: For Children and adults according to Park MK and Guntheroth WG 2006
• Target height: Estimated target height calculated by their parent's height according to Hermanussen et al 2003
• Hyperbilirubinemia: Thresholds for phototherapy and exchange transfusion according to the german AWMF guideline 024 - 007
DISCLAIMER: No warranty. Use it only as control to your own calculations. Please seek a doctor’s advice in addition to using this app and before making any medical decisions
🆕 What's New · v3.9.2
- Compatibility update
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Ped(z) - Kinderarzt Rechner
- Developer
- Daniel Gräfe
- Bundle ID
- com.grapp.kinderarztrechner
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 17+
- 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
- Not found
- 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/id1881678740
📈Ratings growth3 ratingsShow 3-year history estimate ▾
Tracked (1 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.
More by Daniel Gräfe
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Full revenue analysis
Read the article-style breakdown for Ped(z) - Kinderarzt Rechner: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.