# Coma scales vs Obstetrics Calculator

The clearest difference is review sentiment: Obstetrics Calculator at 55% against Coma scales's 0%. Obstetrics Calculator also leads on price (Free vs $0.99) and update cadence (every 2 months vs every 10 months). Coma scales's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Obstetrics Calculator is free to download; Coma scales costs $0.99 up front. Obstetrics Calculator sells 2 in-app purchases, starting at $1.99 per month. Coma scales asks for nothing beyond the download.

Coma scales ships an update every 10 months, Obstetrics Calculator every 2 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Coma scales | Obstetrics Calculator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obstetrics-calculator/id1564764019/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **54.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 37 MB | 90 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Mikael Cohen](https://appshunter.io/developer/949290741) | [Alexander Snegirev](https://appshunter.io/developer/1564764021) |

## What reviewers say

### 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


### Obstetrics Calculator

[App page](https://appshunter.io/ios/app/obstetrics-calculator/id1564764019)

This medical app provides a comprehensive suite of tools for calculating gestational age, estimated due dates, and various risk assessments related to pregnancy and women's health. It includes calculators for maternity leave, cervical assessments, and cancer risk estimations, designed for healthcare professionals.

**Highlights:** Gestational age and due date calculation, Multiple calculation methods (LMP, ultrasound, IVF), Maternity leave timeframe estimation, Bishop Score and TOLAC probability, Cancer risk estimations (Breast, Cervical, Ovarian), Follow-up after colposcopy

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ObCalc Pro | $1.99 | per month |
| Disable Ads | $10.99 | one-time |


## Frequently asked questions

### Is Coma scales free?

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

### Is Obstetrics Calculator free?

Obstetrics Calculator is free to download, with in-app purchases available.

### Do Coma scales or Obstetrics Calculator have ads?

Obstetrics Calculator shows ads; Coma scales does not.

### Which is updated more often, Coma scales or Obstetrics Calculator?

Coma scales ships an update every 10 months, and Obstetrics Calculator every 2 months. Most recently, Coma scales was updated on October 29, 2026 and Obstetrics Calculator on October 30, 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.*