# Interval Timer vs Timer for HIIT training

The clearest difference is review sentiment: Timer for HIIT training at 67% against Interval Timer's 21%. Timer for HIIT training also leads on in-app purchases (none vs 3) and rating (4.7 vs 4.5). Interval Timer's advantage is ads (none vs shown) and update cadence (every 3 months vs every 37 months). On price and device support there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $2.99 per month. Timer for HIIT training asks for nothing beyond the download.

Timer for HIIT training holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Interval Timer has 534 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 21% of Interval Timer's written reviews are positive against 67% of Timer for HIIT training's.

Interval Timer ships an update every 3 months, Timer for HIIT training every 37 months. The most recent releases landed on October 1, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Interval Timer | Timer for HIIT training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (534 ratings)](https://appshunter.io/ios/app/interval-timer-run-and-hiit/id956283665/reviews) | **[4.7 (10 ratings)](https://appshunter.io/ios/app/timer-for-hiit-training/id1352280983/reviews)** |
| Number of ratings | **534** | 10 |
| Positive reviews | 21.1% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 37 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 15 MB | 5 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roma Sosnovsky](https://appshunter.io/developer/956283664) | [Sergio Musoles Tornador](https://appshunter.io/developer/1235548127) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-run-and-hiit/id956283665)

Organize your running and high-intensity interval training sessions with ease. Quickly set up custom time intervals for running, walking, warm-ups, and cool-downs. Receive voice and vibration notifications for interval changes, and enjoy background music playback.

**Highlights:** Intuitive design, Customizable time intervals, Warm-up and cool-down timers, Voice and vibration notifications, Background music support, Foreground/background operation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Run Pro Monthly | $2.99 | per month |
| Interval Run Pro Annual | $19.99 | per year |
| Full Version | $2.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Customizable intervals
- 🚀 Straightforward app
- 👍 Works as advertised
- 👍 Great for getting back into running

**What reviewers complain about**

- 🔇 No audio prompts when screen is locked
- 🔋 High battery consumption
- 🔒 Limited free version
- 🐛 Inconsistent performance
- 🔇 Voice prompts not loud enough

**Reported bugs**

- Timer resets or freezes during workout
- Prompts not working when phone is locked or in pocket
- Unexpected interval changes or duration changes
- Compatibility issues with music playback

**Requested features**

- Option to pause/resume timer
- Larger time remaining display
- Apple Watch app
- Ability to play audio prompts even with screen off
- More interval options (run/walk/jog)


### Timer for HIIT training

[App page](https://appshunter.io/ios/app/timer-for-hiit-training/id1352280983)

This interval training app helps you manage your workouts for various activities like cycling, running, weightlifting, and HIIT. It offers customizable timers for sets, repetitions, and pauses, with visual cues to guide your sessions.

**Highlights:** Customizable time settings, Customizable number of series, Customizable number of repetitions, Pause and resume sessions, Visual cue screen color changes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is Timer for HIIT training free?

Timer for HIIT training is free to download, with no in-app purchases.

### Which has better reviews, Interval Timer or Timer for HIIT training?

Timer for HIIT training is rated higher. Interval Timer averages 4.5 out of 5 from 534 ratings, while Timer for HIIT training averages 4.7 from 10 ratings.

### Do Interval Timer or Timer for HIIT training have ads?

Timer for HIIT training shows ads; Interval Timer does not.

### Which is updated more often, Interval Timer or Timer for HIIT training?

Interval Timer ships an update every 3 months, and Timer for HIIT training every 37 months. Most recently, Interval Timer was updated on October 1, 2026 and Timer for HIIT training on June 1, 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.*