# Nine Moons vs Contraction Timer

The clearest difference is in-app purchases: Nine Moons at none against Contraction Timer's 3. Nine Moons also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). Contraction Timer's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Contraction Timer sells 3 one-off in-app purchases. Nine Moons asks for nothing beyond the download.

## The numbers

| Metric | Nine Moons | Contraction Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Size | 38 MB | 59 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Ferran Espuna](https://appshunter.io/developer/1608027657) | [Armands Klavins](https://appshunter.io/developer/1890739993) |

## What reviewers say

### 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


### Contraction Timer

[App page](https://appshunter.io/ios/app/contraction-timer-waves/id6804288746)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Tip | $2.99 | one-time |
| Lunch Tip | $9.99 | one-time |
| Dinner Tip | $24.99 | one-time |


## Frequently asked questions

### Is Nine Moons free?

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

### Is Contraction Timer free?

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

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

Nine Moons shows ads; Contraction 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.*