# Perinatal Calculators vs NeoTools

The clearest difference is price: Perinatal Calculators at Free against NeoTools's $19.99. Perinatal Calculators also leads on update cadence (monthly vs every 8 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Perinatal Calculators is free to download; NeoTools costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Perinatal Calculators ships an update monthly, NeoTools every 8 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Perinatal Calculators | NeoTools |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/perinatal-calculators/id959395503/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Monetization | **Free** | Paid |
| Size | 2 MB | 33 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [David Deschamps](https://appshunter.io/developer/959395502) | [Infantools](https://appshunter.io/developer/1253149414) |

## What reviewers say

### Perinatal Calculators

[App page](https://appshunter.io/ios/app/perinatal-calculators/id959395503)

This app provides essential obstetrical and perinatal calculators for healthcare providers. It aids in patient counseling with tools for assessing risks like extreme prematurity and Down Syndrome, and managing conditions like gestational diabetes. All calculations are performed locally without an internet connection.

**Highlights:** Extreme prematurity calculator, VBAC success calculators, Down Syndrome risk assessment, Gestational diabetes insulin calculation, CCAMs CVR calculator, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### NeoTools

[App page](https://appshunter.io/ios/app/neotools/id1545753332)

A medical reference app for healthcare professionals caring for newborns. It offers clinical calculations, a handbook for common challenges, and detailed drug information with dosing and interactions.

**Highlights:** Clinical calculations for neonatology, Handbook for common newborn challenges, Detailed drug information and dosing, Diagnosis and therapy guidance, Links to online articles and references

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

**In-app purchases:** none


## Frequently asked questions

### Is Perinatal Calculators free?

Perinatal Calculators is free to download, with no in-app purchases.

### Is NeoTools free?

NeoTools costs $19.99, with no in-app purchases.

### Do Perinatal Calculators or NeoTools have ads?

Neither Perinatal Calculators nor NeoTools shows ads.

### Which is updated more often, Perinatal Calculators or NeoTools?

Perinatal Calculators ships an update monthly, and NeoTools every 8 months. Most recently, Perinatal Calculators was updated on November 1, 2026 and NeoTools on November 3, 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.*