# GestAge vs Obstetric Calculator Plus

The clearest difference is rating: Obstetric Calculator Plus at 4.7 against GestAge's 2.0. Obstetric Calculator Plus also leads on in-app purchases (none vs 2) and ads (none vs shown). GestAge's advantage is update cadence (every 3 months vs every 19 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. GestAge sells 2 one-off in-app purchases. Obstetric Calculator Plus asks for nothing beyond the download.

Obstetric Calculator Plus holds the better App Store score, 4.7 against 2.0. Both are backed by a comparable volume of ratings — 3 and 6 respectively.

GestAge ships an update every 3 months, Obstetric Calculator Plus every 19 months. The most recent releases landed on September 21, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | GestAge | Obstetric Calculator Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/gestage/id430169277/reviews) | **[4.7 (6 ratings)](https://appshunter.io/ios/app/obstetric-calculator-plus/id1606532563/reviews)** |
| Number of ratings | 3 | **6** |
| Positive reviews | 81.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 19 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 34 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [J. Verchere](https://appshunter.io/developer/430169280) | [Mehdi Taghavi](https://appshunter.io/developer/1606532565) |

## What reviewers say

### GestAge

[App page](https://appshunter.io/ios/app/gestage/id430169277)

This medical app assists healthcare professionals and pregnant individuals in accurately calculating due dates and gestational age. It provides essential tools for managing pregnancy timelines.

**Highlights:** Calculate due date, Calculate gestational age, Pregnancy timeline management, Tools for healthcare professionals, Tools for pregnant women

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ultrasound scan tools | $0.99 | one-time |
| Just get rid of the ads ! | $9.99 | one-time |


### Obstetric Calculator Plus

[App page](https://appshunter.io/ios/app/obstetric-calculator-plus/id1606532563)

This medical app assists healthcare professionals in calculating gestational age, fetal age, and estimated due dates for pregnant patients. It also includes BMI calculation to support patient care.

**Highlights:** Gestational age calculation, Fetal age calculation, Estimated date of delivery, BMI calculation, Supports LMP and ultrasound dates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GestAge free?

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

### Is Obstetric Calculator Plus free?

Obstetric Calculator Plus is free to download, with no in-app purchases.

### Which has better reviews, GestAge or Obstetric Calculator Plus?

Obstetric Calculator Plus is rated higher. GestAge averages 2.0 out of 5 from 3 ratings, while Obstetric Calculator Plus averages 4.7 from 6 ratings.

### Do GestAge or Obstetric Calculator Plus have ads?

GestAge shows ads; Obstetric Calculator Plus does not.

### Which is updated more often, GestAge or Obstetric Calculator Plus?

GestAge ships an update every 3 months, and Obstetric Calculator Plus every 19 months. Most recently, GestAge was updated on September 21, 2026 and Obstetric Calculator Plus on July 5, 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.*