# Gestational Age (baby's age) vs Contraction Timer・

The clearest difference is ads: Contraction Timer・ at none against Gestational Age (baby's age)'s shown. Contraction Timer・ also leads on update cadence (weekly vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Gestational Age (baby's age) sells 4 in-app purchases, starting at $2.99 per month and Contraction Timer・ sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Gestational Age (baby's age) ships an update fortnightly, Contraction Timer・ weekly. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Gestational Age (baby's age) | Contraction Timer・ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (198 ratings)](https://appshunter.io/ios/app/gestational-age-babys-age/id1536304956/reviews)** | — |
| Number of ratings | **198** | — |
| Positive reviews | 67.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 85 MB | 36 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | +12 |
| Developer | [Daniel Correia](https://appshunter.io/developer/1501094984) | [Aliaksei Siarheyeu](https://appshunter.io/developer/1830807935) |

## What reviewers say

### Gestational Age (baby's age)

[App page](https://appshunter.io/ios/app/gestational-age-babys-age/id1536304956)

This app helps healthcare professionals quickly calculate gestational age, estimate due dates, and track prenatal care. It offers tools for monitoring pregnancy progress, including clinical charts, fetal weight estimation, and patient history organization.

**Highlights:** Gestational age calculation (LMP & Ultrasound), Estimated Due Date (EDD) calculation, Prenatal care tracking, Clinical charts and curves (weight gain, fundal height, BMI), Fetal weight estimation, Patient history organization, Report export

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Semesterly subscription | $5.99 | per 6 months |
| Yearly subscription | $9.99 | per year |
| Lifetime purchase | $3.99 | one-time |


### Contraction Timer・

[App page](https://appshunter.io/ios/app/contraction-timer/id6768253933)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contractions Timer Plus | $2.99 | per 7 days |
| Contractions Timer Plus - Lifetime | $7.99 | one-time |


## Frequently asked questions

### Is Gestational Age (baby's age) free?

Gestational Age (baby's age) is free to download, with in-app purchases available.

### Is Contraction Timer・ free?

Contraction Timer・ is free to download, with in-app purchases available.

### Do Gestational Age (baby's age) or Contraction Timer・ have ads?

Gestational Age (baby's age) shows ads; Contraction Timer・ does not.

### Which is updated more often, Gestational Age (baby's age) or Contraction Timer・?

Gestational Age (baby's age) ships an update fortnightly, and Contraction Timer・ weekly. Most recently, Gestational Age (baby's age) was updated on October 22, 2026 and Contraction Timer・ on October 9, 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.*