# Contraction Counter vs Tummy Safe

The clearest difference is in-app purchases: Tummy Safe at none against Contraction Counter's 3. Tummy Safe also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Contraction Counter sells 3 in-app purchases, starting at $4.99 per 7 days. Tummy Safe asks for nothing beyond the download.

Contraction Counter ships an update every 2 months, Tummy Safe every 4 days. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Contraction Counter | Tummy Safe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 28 MB | 22 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | +4 | 17+ |
| Developer | [NBApps](https://appshunter.io/developer/1443534730) | [Andreea Bodurski](https://appshunter.io/developer/1895795351) |

## What reviewers say

### Contraction Counter

[App page](https://appshunter.io/ios/app/contraction-counter-timer/id6737130904)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Week | $4.99 | per 7 days |
| One Month | $7.99 | per month |
| Lifetime | $2.99 | one-time |


### Tummy Safe

[App page](https://appshunter.io/ios/app/tummy-safe/id6764470643)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contraction Counter free?

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

### Is Tummy Safe free?

Tummy Safe is free to download, with no in-app purchases.

### Do Contraction Counter or Tummy Safe have ads?

Neither Contraction Counter nor Tummy Safe shows ads.

### Which is updated more often, Contraction Counter or Tummy Safe?

Contraction Counter ships an update every 2 months, and Tummy Safe every 4 days. Most recently, Contraction Counter was updated on September 30, 2026 and Tummy Safe on October 6, 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.*