Percentilez vs PediaTools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Percentilez
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Monitoring children's growth is vital for every health professional working with children. This app is made for professionals to be used on a daily basis. It is optimised for speed and reliability. ***Choose from international references*** The free version includes WHO Growth Standards (ages 0-5). In the pro version (available as an in-app-purchase) you can choose from 18 different references including CDC and preterm data. ***Correct for preterm birth*** The app supports correction for preterm birth. For children born preterm you can change between the corrected and the actual age on the tap of a button. ***Calculate target height*** Use the Hermanussen formula to estimate target height and see the target height range in the height diagram. ***Maintain a patient data base*** Store patients and add further measurements on other occasions. There is a search function to quickly find a stored patient. ***Use imperial or metric units*** Global support for unit change. ***Export to pdf*** Export diagrams as pdf documents ready for use in your patient documentation. Download this valuable tool today to help you in your daily practise! Please note: use this app on your own responsibility. It is only intended as a help for self calculation of these values. Percentiles and z-values are linearly interpolated.
PediaTools
This medical app provides pediatric calculators for blood counts, fluid requirements, and nutrition. It also includes tools for GFR, hyponatremia correction, and IV drip rates, along with various pediatric scoring systems.
- Pediatric blood count values
- Hydrocaloric and electrolyte calculations
- Total Parenteral Nutrition calculations
- Glomerular filtration rate (GFR) computation
- Hyponatremia correction calculator
- IV drip rate calculator
- Pediatric scoring systems
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This application offers a comprehensive set of clinical tools for pediatric and neonatal care: » Reference values for complete blood count in pediatric patients of all ages. » Calculates daily fluid and electrolyte requirements. » Pediatric diabetic ketoacidosis (DKA) fluid management calculator » Age-based reference values for serum immunoglobulins, lymphocytes, and complement. » Reference values for laboratory tests such as TSH, FSH, LH, DHEA-S, T4, and other endocrinological parameters. » Calculates requirements for pediatric and neonatal parenteral nutrition. » Estimates the glomerular filtration rate and generates an age-based reference table. » Calculates the correction of hyponatremia and hypernatremia, as well as the free water deficit based on estimated total body water. » Allows calculation of medications used in common pediatric emergency conditions, such as croup, asthma, cardiorespiratory arrest, seizures, anaphylaxis, and hypoglycemia. » Calculates the intravenous infusion rate of drugs used in emergencies. » Includes pediatric and neonatal scales such as Silverman-Andersen, Apgar, Ballard, Pediatric Appendicitis Score, Alvarado, Westley, Pulmonary Score, Wood-Downes-Ferrés, among others. Please note that if you are not a healthcare professional, it is essential to consult a pediatrician before making any medical decision.
Screenshots
Verdict
The clearest difference is price: Percentilez at Free against PediaTools's $3.99. Percentilez also leads on update cadence (every 2 weeks vs every 5 weeks). PediaTools's advantage is in-app purchases (none vs 1) and chart position (#194 vs unranked). On ads, device support and iOS requirement 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
Percentilez is free to download; PediaTools costs $3.99 up front. Percentilez sells 1 one-off in-app purchase. PediaTools asks for nothing beyond the download.
Percentilez ships an update every 2 weeks, PediaTools every 5 weeks. The most recent releases landed on October 4, 2026 and October 30, 2026 respectively.
| Parameter | Percentilez | PediaTools |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | — | 5.0 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Paid |
| Best chart rank | — | #194 — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 3 MB | 134 MB |
| Age rating | 17+ | 4+ |
| Developer | Manuel Metzger | Gerson Rodriguez |
In-app purchases
Percentilez
- Percentilez Pro$6.99
PediaTools
No in-app purchases
Questions
Is Percentilez free?
Is PediaTools free?
Do Percentilez or PediaTools have ads?
Which is updated more often, Percentilez or PediaTools?
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