# Contraction Timer Plus App 9m vs Luma

The clearest difference is update cadence: Luma at every 2 days against Contraction Timer Plus App 9m's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Contraction Timer Plus App 9m sells 4 in-app purchases, starting at $0.99 per month and Luma sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Contraction Timer Plus App 9m ships an update weekly, Luma every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Contraction Timer Plus App 9m | Luma |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Size | 134 MB | 22 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [ismail turan orkler](https://appshunter.io/developer/1798537729) | [TOBIAS JUSTINGER](https://appshunter.io/developer/1787675323) |

## What reviewers say

### Contraction Timer Plus App 9m

[App page](https://appshunter.io/ios/app/contraction-timer-plus-app-9m/id6742460772)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Monthly | $0.99 | per month |
| Weekly | $2.99 | per 7 days |
| Weekly | $2.99 | per 7 days |


### Luma

[App page](https://appshunter.io/ios/app/luma-baby-feeding-tracker/id6761003627)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luma Premium | $2.99 | one-time |


## Frequently asked questions

### Is Contraction Timer Plus App 9m free?

Contraction Timer Plus App 9m is free to download, with in-app purchases available.

### Is Luma free?

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

### Do Contraction Timer Plus App 9m or Luma have ads?

Both Contraction Timer Plus App 9m and Luma show ads.

### Which is updated more often, Contraction Timer Plus App 9m or Luma?

Contraction Timer Plus App 9m ships an update weekly, and Luma every 2 days. Most recently, Contraction Timer Plus App 9m was updated on October 25, 2026 and Luma on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*