# Ped(z) vs Coma scales

The clearest difference is review sentiment: Ped(z) at 85% against Coma scales's 0%. Ped(z) also leads on price (Free vs $0.99) and update cadence (every 6 weeks vs every 10 months). Coma scales's advantage is iOS requirement (9.0 vs 11.0). On ads, in-app purchases and device support there is nothing between them.

Ped(z) is free to download; Coma scales costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ped(z) ships an update every 6 weeks, Coma scales every 10 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Ped(z) | Coma scales |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/pedz-pediatric-calculator/id498776330/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **85.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 10 months |
| Monetization | **Free** | Paid |
| Size | 17 MB | 37 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [Daniel Gräfe](https://appshunter.io/developer/498769632) | [Mikael Cohen](https://appshunter.io/developer/949290741) |

## What reviewers say

### Ped(z)

[App page](https://appshunter.io/ios/app/pedz-pediatric-calculator/id498776330)

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.

**Highlights:** Body percentiles (height, weight, BMI), Blood pressure percentiles, Pediatric and fetal echocardiography Z-scores, Spirometry normal values, Gestational age calculation, QTc calculator, Hyperbilirubinemia thresholds

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Coma scales

[App page](https://appshunter.io/ios/app/coma-scales/id1016779143)

This medical app offers essential tools for assessing patient consciousness. It includes the Glasgow Coma Scale for head injuries, the FOUR Score for intubated patients, and the Disability Rating Scale for predicting recovery.

**Highlights:** Glasgow Coma Scale (Adult & Pediatric), FOUR Score, Disability Rating Scale, Apple Watch companion app, Fast consciousness assessment

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ped(z) free?

Ped(z) is free to download, with no in-app purchases.

### Is Coma scales free?

Coma scales costs $0.99, with no in-app purchases.

### Do Ped(z) or Coma scales have ads?

Neither Ped(z) nor Coma scales shows ads.

### Which is updated more often, Ped(z) or Coma scales?

Ped(z) ships an update every 6 weeks, and Coma scales every 10 months. Most recently, Ped(z) was updated on October 26, 2026 and Coma scales on October 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*