# Contraction Tracker & Timer vs Nine Moons

The clearest difference is in-app purchases: Nine Moons at none against Contraction Tracker & Timer's 2. Nine Moons also leads on iOS requirement (13.0 vs 15.1). Contraction Tracker & Timer's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Contraction Tracker & Timer sells 2 in-app purchases, starting at $2.99 per 7 days. Nine Moons asks for nothing beyond the download.

## The numbers

| Metric | Contraction Tracker & Timer | Nine Moons |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | — |
| Size | 36 MB | 38 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [OMAR EL ISMAILI](https://appshunter.io/developer/1896518179) | [Ferran Espuna](https://appshunter.io/developer/1608027657) |

## What reviewers say

### Contraction Tracker & Timer

[App page](https://appshunter.io/ios/app/contraction-tracker-and-timer/id6767897329)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Monthly Premium | $5.99 | per month |


### Nine Moons

[App page](https://appshunter.io/ios/app/nine-moons-pregnancy-by-weeks/id6784132419)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contraction Tracker & Timer free?

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

### Is Nine Moons free?

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

### Do Contraction Tracker & Timer or Nine Moons have ads?

Nine Moons shows ads; Contraction Tracker & Timer does not.

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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.*