# Contraction Timer & Tracker IO vs Contraction Timer

The clearest difference is ratings volume: Contraction Timer & Tracker IO at 86 against Contraction Timer's 1. Contraction Timer & Tracker IO also leads on update cadence (every 2 months vs every 5 months). Contraction Timer's advantage is rating (5.0 vs 4.8) and iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Contraction Timer & Tracker IO sells 2 in-app purchases, starting at $1.99 per 7 days and Contraction Timer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Contraction Timer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Contraction Timer & Tracker IO has 86 ratings behind it against 1, so its average is the more settled of the two.

Contraction Timer & Tracker IO ships an update every 2 months, Contraction Timer every 5 months. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Contraction Timer & Tracker IO | Contraction Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (86 ratings)](https://appshunter.io/ios/app/contraction-timer-and-tracker-io/id1633196366/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/contraction-timer-nest/id6752668822/reviews)** |
| Number of ratings | **86** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 42 MB | 101 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [ATN Marketing SRL](https://appshunter.io/developer/910577403) | [Nina Petit](https://appshunter.io/developer/1636482447) |

## What reviewers say

### Contraction Timer & Tracker IO

[App page](https://appshunter.io/ios/app/contraction-timer-and-tracker-io/id1633196366)

This app helps expectant mothers track labor contractions by measuring duration, frequency, and interval. It detects labor phases and alerts users when it's time to go to the hospital. Features include one-tap tracking, Lock Screen widgets, and dark mode.

**Highlights:** One-tap contraction timing, Duration, frequency, and interval calculation, Labor phase detection, Hospital alerts based on 5-1-1 rule, Lock Screen widget, Dark mode and offline support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contraction Tracker Timer Weekly | $1.99 | per 7 days |
| Contraction Tracker & Timer + | $4.99 | one-time |


### Contraction Timer

[App page](https://appshunter.io/ios/app/contraction-timer-nest/id6752668822)

This app helps expectant mothers track labor contractions with one-tap simplicity. It provides real-time statistics, breathing guidance, and helpful advice on when to seek medical attention. An optional premium upgrade offers advanced features like data export and a hospital bag checklist.

**Highlights:** One-tap contraction tracking, Automatic duration and interval measurement, Real-time statistics, Intensity logging, Breathing guidance with music, Data export (CSV/PDF), Hospital bag checklist

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nest Premium – Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Contraction Timer & Tracker IO free?

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

### Is Contraction Timer free?

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

### Which has better reviews, Contraction Timer & Tracker IO or Contraction Timer?

Contraction Timer is rated higher. Contraction Timer & Tracker IO averages 4.8 out of 5 from 86 ratings, while Contraction Timer averages 5.0 from 1 ratings.

### Do Contraction Timer & Tracker IO or Contraction Timer have ads?

Neither Contraction Timer & Tracker IO nor Contraction Timer shows ads.

### Which is updated more often, Contraction Timer & Tracker IO or Contraction Timer?

Contraction Timer & Tracker IO ships an update every 2 months, and Contraction Timer every 5 months. Most recently, Contraction Timer & Tracker IO was updated on October 11, 2026 and Contraction Timer on September 29, 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.*