Ped(z) vs Radcalc Reference
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ped(z)
This medical app provides pediatricians with a comprehensive set of calculators for body percentiles, blood pressure, echocardiography, and more. It supports various calculation methods and guidelines, aiding in accurate patient assessments. Developed by a pediatrician, it serves as a control tool for medical professionals.
- Body percentiles (height, weight, BMI)
- Blood pressure percentiles
- Pediatric and fetal echocardiography Z-scores
- Spirometry normal values
- Gestational age calculation
- QTc calculator
- Hyperbilirubinemia thresholds
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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
Radcalc Reference
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Radcalc is an offline-first reference tool for radiologists and imaging professionals. It brings together radiology calculators, incidental findings pathways, and tumor response criteria in a focused native app. Use calculator tools for orientation, browse condensed incidental-finding pathways, and review tumor-response criteria with cited references. All core content is bundled for offline access. Results and references are intended to support professional review, not replace clinical judgment. For educational and professional reference only. Radcalc is not a medical device and does not provide diagnosis or treatment. Verify results against the cited source guideline, local policy, and professional clinical judgment. Do not use for emergencies.
Screenshots
Verdict
The clearest difference is iOS requirement: Ped(z) at 11.0 against Radcalc Reference's 15.1. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Ped(z) | Radcalc Reference |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) — better | — |
| Positive reviews | 85.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 17 MB | 21 MB |
| Age rating | 17+ | 17+ |
| Developer | Daniel Gräfe | Parikh Radiology, P.L.L.C. |
In-app purchases
Ped(z)
No in-app purchases
Radcalc Reference
No in-app purchases
Questions
Is Ped(z) free?
Is Radcalc Reference free?
Do Ped(z) or Radcalc Reference have ads?
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