# Contraction Timer Tracker . vs Auma

The clearest difference is update cadence: Auma at every 9 days against Contraction Timer Tracker .'s every 3 months. Contraction Timer Tracker .'s advantage is iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Contraction Timer Tracker . sells 5 in-app purchases, starting at $4.99 per 7 days and Auma sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Contraction Timer Tracker . ships an update every 3 months, Auma every 9 days. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Contraction Timer Tracker . | Auma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/auma-sueno-de-tu-bebe/id6807302968/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 152 MB | 25 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maria Garcia](https://appshunter.io/developer/1824216345) | [Amparo Yolanda Minguet Perez](https://appshunter.io/developer/6807302970) |

## What reviewers say

### Contraction Timer Tracker .

[App page](https://appshunter.io/ios/app/contraction-timer-tracker/id6748081703)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


### Auma

[App page](https://appshunter.io/ios/app/auma-sueno-de-tu-bebe/id6807302968)

This app helps parents determine the optimal time to put their baby to sleep based on their individual sleep patterns, not just age. It tracks naps, night sleep, and wake-ups to calculate sleep windows and pressure, making bedtime easier for babies aged 0-3 years.

**Highlights:** Personalized bedtime calculation, Real-time sleep windows, Sleep routine alerts, Sleep statistics and actigrams, Discover baby's sleep patterns, 30-day report for pediatrician, Home screen widget

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mensual | $9.99 | per month |
| Anual | $39.99 | per year |


## Frequently asked questions

### Is Contraction Timer Tracker . free?

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

### Is Auma free?

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

### Do Contraction Timer Tracker . or Auma have ads?

Neither Contraction Timer Tracker . nor Auma shows ads.

### Which is updated more often, Contraction Timer Tracker . or Auma?

Contraction Timer Tracker . ships an update every 3 months, and Auma every 9 days. Most recently, Contraction Timer Tracker . was updated on October 11, 2026 and Auma on October 16, 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.*