# PetProov vs Contraction Timer

The clearest difference is price: Contraction Timer at Free against PetProov's $4.99. Contraction Timer also leads on in-app purchases (none vs 2). PetProov's advantage is ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

Contraction Timer is free to download; PetProov costs $4.99 up front. PetProov sells 2 one-off in-app purchases. Contraction Timer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PetProov | Contraction Timer |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/contraction-timer-pregnancy/id6749267179/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Ad-supported |
| Size | 142 MB | 5 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Petproov](https://appshunter.io/developer/1728487807) | [家豪 魏](https://appshunter.io/developer/1828818535) |

## What reviewers say

### PetProov

[App page](https://appshunter.io/ios/app/petproov/id6478172113)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additional Pet Check | $4.99 | one-time |
| Pet risk report | $4.99 | one-time |


### Contraction Timer

[App page](https://appshunter.io/ios/app/contraction-timer-pregnancy/id6749267179)

This app assists expectant mothers in tracking labor progress by timing contractions, monitoring their frequency and duration. It offers visual representations of labor stages and includes features for logging birth events. It serves as a smart companion throughout the delivery process.

**Highlights:** Time contractions, Monitor frequency and duration, Visualize labor stages, Push timer, Birth log

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

**In-app purchases:** none


## Frequently asked questions

### Is PetProov free?

PetProov costs $4.99, and also offers in-app purchases.

### Is Contraction Timer free?

Contraction Timer is free to download, with no in-app purchases.

### Do PetProov or Contraction Timer have ads?

Contraction Timer shows ads; PetProov does not.

### Which is updated more often, PetProov or Contraction Timer?

PetProov ships an update every 2 months, and Contraction Timer every 2 months. Most recently, PetProov was updated on October 16, 2026 and Contraction Timer on October 12, 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.*