# IntervalTimer(x) vs Race Countdown

The clearest difference is price: IntervalTimer(x) at Free against Race Countdown's $0.99. Race Countdown's advantage is iOS requirement (15.1 vs 18.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

IntervalTimer(x) is free to download; Race Countdown costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | IntervalTimer(x) | Race Countdown |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/intervaltimerx/id6745199760/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 9 MB | 2 MB |
| Requires iOS | 18.1 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ShapeHaven Innovations LLC](https://appshunter.io/developer/1747127977) | [树伟 杨](https://appshunter.io/developer/1843510075) |

## What reviewers say

### IntervalTimer(x)

[App page](https://appshunter.io/ios/app/intervaltimerx/id6745199760)

This app provides a customizable interval timer for workouts, focus sessions, and breaks. It offers audio cues, visual progress, and tracks workout history locally. Optional body metrics can be entered for calorie estimates, all stored securely on your device.

**Highlights:** Customizable work/rest/sets intervals, Audio cues for transitions, Workout history log, Local calorie estimates, Offline functionality, Siri Shortcuts integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Race Countdown

[App page](https://appshunter.io/ios/app/race-countdown/id6753940820)

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

**In-app purchases:** none


## Frequently asked questions

### Is IntervalTimer(x) free?

IntervalTimer(x) is free to download, with no in-app purchases.

### Is Race Countdown free?

Race Countdown costs $0.99, with no in-app purchases.

### Do IntervalTimer(x) or Race Countdown have ads?

Neither IntervalTimer(x) nor Race Countdown shows ads.

### Which is updated more often, IntervalTimer(x) or Race Countdown?

IntervalTimer(x) ships an update every 3 weeks, and Race Countdown every 3 weeks. Most recently, IntervalTimer(x) was updated on September 17, 2026 and Race Countdown on October 10, 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.*