# IntervalTimer(x) vs GutHarmony

The clearest difference is price: IntervalTimer(x) at Free against GutHarmony's $0.99. GutHarmony's advantage is update cadence (every 2 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

IntervalTimer(x) ships an update every 3 weeks, GutHarmony every 2 days. The most recent releases landed on July 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | IntervalTimer(x) | GutHarmony |
| --- | --- | --- |
| 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 2 days** |
| Monetization | Free | — |
| Size | 9 MB | 4 MB |
| Requires iOS | 18.1 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [ShapeHaven Innovations LLC](https://appshunter.io/developer/1747127977) | [Midean Ismail](https://appshunter.io/developer/1877104465) |

## 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


### GutHarmony

[App page](https://appshunter.io/ios/app/gutharmony/id6760734925)

**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 GutHarmony free?

GutHarmony costs $0.99, with no in-app purchases.

### Do IntervalTimer(x) or GutHarmony have ads?

Neither IntervalTimer(x) nor GutHarmony shows ads.

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

IntervalTimer(x) ships an update every 3 weeks, and GutHarmony every 2 days. Most recently, IntervalTimer(x) was updated on July 6, 2026 and GutHarmony on September 21, 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.*