# Contraction Timer vs MyFitBook

The clearest difference is device support: Contraction Timer at 3 against MyFitBook's 1. Contraction Timer also leads on iOS requirement (18.0 vs 26.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Contraction Timer sells 2 in-app purchases, starting at $4.99 per 7 days and MyFitBook sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Contraction Timer | MyFitBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 41 MB | 55 MB |
| Requires iOS | **18.0** | 26.4 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Yuliia Otmakhova](https://appshunter.io/developer/1896560217) | [Everydayapps OU](https://appshunter.io/developer/6812857925) |

## What reviewers say

### Contraction Timer

[App page](https://appshunter.io/ios/app/contraction-timer-birth/id6807493923)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |


### MyFitBook

[App page](https://appshunter.io/ios/app/myfitbook/id6812857923)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MyFitBook Monthly | $8.99 | per month |
| MyFitBook Yearly | $89.99 | per year |


## Frequently asked questions

### Is Contraction Timer free?

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

### Is MyFitBook free?

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

### Do Contraction Timer or MyFitBook have ads?

Neither Contraction Timer nor MyFitBook shows ads.

---

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