# Interval Timer vs Contraction Timer & Trackerㅤ

The clearest difference is rating: Contraction Timer & Trackerㅤ at 5.0 against Interval Timer's 4.2. On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $4.99 per 7 days and Contraction Timer & Trackerㅤ sells 6 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Contraction Timer & Trackerㅤ holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 10 and 5 respectively.

Interval Timer ships an update monthly, Contraction Timer & Trackerㅤ fortnightly. The most recent releases landed on September 10, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Interval Timer | Contraction Timer & Trackerㅤ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (10 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workouts/id6742372753/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/contraction-timer-and-tracker/id6748024020/reviews)** |
| Number of ratings | **10** | 5 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 31 MB | 55 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Lori Nguyen](https://appshunter.io/developer/1872689629) | [Sophia Chen](https://appshunter.io/developer/1823945508) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workouts/id6742372753)

This advanced interval timer supports HIIT, Tabata, and circuit training with customizable work, rest, and cooldown periods. Stay focused with voice alerts, background operation, and music integration for any fitness routine.

**Highlights:** Customizable workouts, Pre-set & custom intervals, Voice & sound alerts, Music integration, Background operation, Dark & light mode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Timer (weekly) | $4.99 | per 7 days |
| Premium Timer (monthly) | $12.99 | per month |
| Premium Timer (yearly) | $39.99 | per year |


### Contraction Timer & Trackerㅤ

[App page](https://appshunter.io/ios/app/contraction-timer-and-tracker/id6748024020)

This app helps expectant mothers track labor contractions by monitoring duration, intervals, and frequency. It offers a detailed history, checklists for pregnancy stages, and informative articles. Upgrade to premium for advanced features like intensity ratings and full history editing.

**Highlights:** Contraction timer and counter, Detailed contraction history, Pregnancy stage checklists, Informative childbirth articles, Contraction intensity rating, Hourly contraction statistics, Manual record editing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Interval Timer free?

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

### Is Contraction Timer & Trackerㅤ free?

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

### Which has better reviews, Interval Timer or Contraction Timer & Trackerㅤ?

Contraction Timer & Trackerㅤ is rated higher. Interval Timer averages 4.2 out of 5 from 10 ratings, while Contraction Timer & Trackerㅤ averages 5.0 from 5 ratings.

### Do Interval Timer or Contraction Timer & Trackerㅤ have ads?

Neither Interval Timer nor Contraction Timer & Trackerㅤ shows ads.

### Which is updated more often, Interval Timer or Contraction Timer & Trackerㅤ?

Interval Timer ships an update monthly, and Contraction Timer & Trackerㅤ fortnightly. Most recently, Interval Timer was updated on September 10, 2026 and Contraction Timer & Trackerㅤ on September 3, 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.*