# 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 17.0). 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 | Every 2 months | — |
| Size | 83 MB | 38 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Rafia Hossain Anika](https://appshunter.io/developer/1831203696) | [Ferran Espuna](https://appshunter.io/developer/1608027657) |

## What reviewers say

### Contraction Tracker Timer!

[App page](https://appshunter.io/ios/app/contraction-tracker-timer/id6754606281)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Lifetime | $5.99 | one-time |


### 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.*