# HIITTimer vs Interval Timer One

The clearest difference is rating: Interval Timer One at 5.0 against HIITTimer's 4.4. Interval Timer One also leads on ads (none vs shown) and monetization model (free vs ad-supported). HIITTimer's advantage is ratings volume (43 vs 2). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Interval Timer One holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: HIITTimer has 43 ratings behind it against 2, so its average is the more settled of the two.

HIITTimer ships an update every 6 weeks, Interval Timer One every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | HIITTimer | Interval Timer One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (43 ratings)](https://appshunter.io/ios/app/hiittimer-training-timer/id1512459496/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/interval-timer-one/id6449265364/reviews)** |
| Number of ratings | **43** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 63 MB | 2 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Marc Prez Calmet](https://appshunter.io/developer/1481950395) | [jun hyun](https://appshunter.io/developer/1688453095) |

## What reviewers say

### HIITTimer

[App page](https://appshunter.io/ios/app/hiittimer-training-timer/id1512459496)

This app provides a versatile timer for various high-intensity interval training routines like HIIT, EMOM, and Tabata. It allows users to create custom workouts, track progress, and offers multiple training modes with an intuitive interface.

**Highlights:** Customizable interval timers, Support for HIIT, EMOM, Tabata, AMRAP, Progress tracking for workouts, Multiple training modes, Intuitive and easy-to-use interface

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

**In-app purchases:** none


### Interval Timer One

[App page](https://appshunter.io/ios/app/interval-timer-one/id6449265364)

This user-friendly interval timer app simplifies fitness routines by allowing effortless customization of workout durations. It offers intuitive controls for setting intervals, pausing, resuming, and adjusting the timer, ensuring a focused and efficient training experience without unnecessary features.

**Highlights:** Intuitive interval customization, Pause and resume functionality, Adjust timer forward/backward, Uninterrupted timer operation, Plays music without disruption

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HIITTimer free?

HIITTimer is free to download, with no in-app purchases.

### Is Interval Timer One free?

Interval Timer One is free to download, with no in-app purchases.

### Which has better reviews, HIITTimer or Interval Timer One?

Interval Timer One is rated higher. HIITTimer averages 4.4 out of 5 from 43 ratings, while Interval Timer One averages 5.0 from 2 ratings.

### Do HIITTimer or Interval Timer One have ads?

HIITTimer shows ads; Interval Timer One does not.

### Which is updated more often, HIITTimer or Interval Timer One?

HIITTimer ships an update every 6 weeks, and Interval Timer One every 2 months. Most recently, HIITTimer was updated on November 3, 2026 and Interval Timer One on November 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.*