# Contraction Timer & Tracker IO vs Contraction Timer ™

The clearest difference is review sentiment: Contraction Timer & Tracker IO at 50% against Contraction Timer ™'s 0%. Contraction Timer & Tracker IO also leads on rating (4.8 vs 4.6). On price, ratings volume, update cadence and ads 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 2 in-app purchases, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

Contraction Timer & Tracker IO holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 86 and 162 respectively. Written reviews point the same way: 50% of Contraction Timer & Tracker IO's written reviews are positive against 0% of Contraction Timer ™'s.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 11, 2026 and October 17, 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)** | [4.6 (162 ratings)](https://appshunter.io/ios/app/contraction-timer/id6451054162/reviews) |
| Number of ratings | 86 | **162** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 42 MB | 18 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [ATN Marketing SRL](https://appshunter.io/developer/910577403) | [Twisted Society AB](https://appshunter.io/developer/965217853) |

## 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/id6451054162)

Easily monitor labor patterns with a simple, intuitive interface. Log contractions with a single tap to gain smart insights into duration and frequency. Share your progress with your care team for informed support during your birthing journey.

**Highlights:** One-tap contraction tracking, Smart insights on duration and frequency, Simple, distraction-free design, Share and export contraction data, Monitor labor patterns

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contraction Timer Plus | $19.99 | per year |
| Contraction Timer Lifetime | $0.99 | 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 & Tracker IO is rated higher. Contraction Timer & Tracker IO averages 4.8 out of 5 from 86 ratings, while Contraction Timer ™ averages 4.6 from 162 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 2 months. Most recently, Contraction Timer & Tracker IO was updated on October 11, 2026 and Contraction Timer ™ on October 17, 2026.

---

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