# SimuSurg vs Obstetrics Calculator

The clearest difference is rating: Obstetrics Calculator at 5.0 against SimuSurg's 4.0. Obstetrics Calculator also leads on update cadence (every 2 months vs every 29 months). SimuSurg's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. Obstetrics Calculator sells 2 in-app purchases, starting at $1.99 per month. SimuSurg asks for nothing beyond the download.

Obstetrics Calculator holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews complicate that: 75% of SimuSurg's written reviews are positive against 55% of Obstetrics Calculator's, so the app with the better star average is not the one people write more warmly about.

SimuSurg ships an update every 29 months, Obstetrics Calculator every 2 months. The most recent releases landed on October 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SimuSurg | Obstetrics Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/simusurg/id1174517345/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obstetrics-calculator/id1564764019/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | **75.0% of reviews** | 54.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 153 MB | 90 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Royal Australasian College of Surgeons](https://appshunter.io/developer/987745459) | [Alexander Snegirev](https://appshunter.io/developer/1564764021) |

## What reviewers say

### SimuSurg

[App page](https://appshunter.io/ios/app/simusurg/id1174517345)

This app offers a virtual surgical environment for practicing minimally invasive techniques. It features four levels of clinical scenarios to progressively challenge users, focusing on instrument familiarity, movement control, and device operation in a simulated gaming setting.

**Highlights:** Virtual surgical environment, Four progressive clinical scenarios, Instrument familiarization practice, Degrees of movement training, Device control simulation, Camera scope operation

**Features:** macOS Compatibility

**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 SimuSurg free?

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

### Is Obstetrics Calculator free?

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

### Which has better reviews, SimuSurg or Obstetrics Calculator?

Obstetrics Calculator is rated higher. SimuSurg averages 4.0 out of 5 from 2 ratings, while Obstetrics Calculator averages 5.0 from 1 ratings.

### Do SimuSurg or Obstetrics Calculator have ads?

Obstetrics Calculator shows ads; SimuSurg does not.

### Which is updated more often, SimuSurg or Obstetrics Calculator?

SimuSurg ships an update every 29 months, and Obstetrics Calculator every 2 months. Most recently, SimuSurg was updated on October 8, 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.*