# Interval Timer □ HIIT Timer vs dimensionaltraining Fitness

The clearest difference is in-app purchases: dimensionaltraining Fitness at none against Interval Timer □ HIIT Timer's 5. dimensionaltraining Fitness also leads on update cadence (fortnightly vs every 5 weeks) and iOS requirement (13.0.0 vs 15.6). Interval Timer □ HIIT Timer's advantage is ratings volume (87K vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Interval Timer □ HIIT Timer sells 5 in-app purchases, starting at $1.99 per month. dimensionaltraining Fitness asks for nothing beyond the download.

dimensionaltraining Fitness holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Interval Timer □ HIIT Timer has 87K ratings behind it against 1, so its average is the more settled of the two.

Interval Timer □ HIIT Timer ships an update every 5 weeks, dimensionaltraining Fitness fortnightly. The most recent releases landed on October 28, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Interval Timer □ HIIT Timer | dimensionaltraining Fitness |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (87K ratings)](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dimensionaltraining-fitness/id6446325203/reviews)** |
| Number of ratings | **87K** | 1 |
| Positive reviews | 60.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Freemium | **Free** |
| Size | 34 MB | 32 MB |
| Requires iOS | 15.6 | **13.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Float Tech, LLC](https://appshunter.io/developer/483697886) | [kqool Fitness Inc.](https://appshunter.io/developer/1638521079) |

## What reviewers say

### Interval Timer □ HIIT Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113)

Create custom workout timers with adjustable intervals for exercise and rest.  Track your progress with detailed history and statistics, and repeat past workouts easily.  Enjoy audio cues without interrupting your music.

**Highlights:** Customizable intervals, Workout and rest timers, Voice or beep guides, Background audio support, Workout history and statistics, Repeat previous workouts

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pass | $1.99 | per month |
| Premium Pass | $2.99 | per month |
| Lifetime Pass | $14.99 | one-time |
| Lifetime Pass | $19.99 | one-time |
| Premium Forever Promo | $29.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Customizable settings
- 🚀 Intuitive interface
- 🚀 Effective for HIIT workouts
- 👍 Helpful voice prompts

**What reviewers complain about**

- 🔒 Requires subscription after limited free use
- 🐛 Music volume issues with voice prompts
- 🐛 Inconsistent behavior when switching apps
- 🐛 Lack of final workout notification

**Reported bugs**

- Timer not always accurate
- Favorites/saved workouts feature not working
- Inconsistent behavior when pausing/resuming

**Requested features**

- Ability to save and name custom workouts
- More flexibility in exercise/rest time settings
- Option to adjust volume of voice prompts


### dimensionaltraining Fitness

[App page](https://appshunter.io/ios/app/dimensionaltraining-fitness/id6446325203)

Access your personalized member portal to sign up for classes, manage your membership, and stay informed about events. This app connects you directly to the services offered by Dimensional Training Studios.

**Highlights:** Personalized member portal, Class sign-up, Membership management, Event notifications, Studio updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer □ HIIT Timer free?

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

### Is dimensionaltraining Fitness free?

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

### Which has better reviews, Interval Timer □ HIIT Timer or dimensionaltraining Fitness?

dimensionaltraining Fitness is rated higher. Interval Timer □ HIIT Timer averages 4.8 out of 5 from 87K ratings, while dimensionaltraining Fitness averages 5.0 from 1 ratings.

### Do Interval Timer □ HIIT Timer or dimensionaltraining Fitness have ads?

Neither Interval Timer □ HIIT Timer nor dimensionaltraining Fitness shows ads.

### Which is updated more often, Interval Timer □ HIIT Timer or dimensionaltraining Fitness?

Interval Timer □ HIIT Timer ships an update every 5 weeks, and dimensionaltraining Fitness fortnightly. Most recently, Interval Timer □ HIIT Timer was updated on October 28, 2026 and dimensionaltraining Fitness on October 20, 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.*