# Modern Interval Workout Timer vs HIIT 974

The clearest difference is in-app purchases: HIIT 974 at none against Modern Interval Workout Timer's 3. Modern Interval Workout Timer's advantage is iOS requirement (18.0 vs 26.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Modern Interval Workout Timer sells 3 in-app purchases, starting at $0.99 per month. HIIT 974 asks for nothing beyond the download.

Modern Interval Workout Timer ships an update every 4 days, HIIT 974 every 3 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Modern Interval Workout Timer | HIIT 974 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/modern-interval-workout-timer/id6733239641/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 9 MB | 1 MB |
| Requires iOS | **18.0** | 26.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Marc Gauthier](https://appshunter.io/developer/834944348) | [Johan Chapelain](https://appshunter.io/developer/6779238523) |

## What reviewers say

### Modern Interval Workout Timer

[App page](https://appshunter.io/ios/app/modern-interval-workout-timer/id6733239641)

This versatile timer supports HIIT, Tabata, circuit training, and combat sports like boxing. Customize visuals, sounds, and presets for a personalized workout experience. Track and replay past sessions with a clean, ad-free interface.

**Highlights:** Interval and regular timer modes, Customizable themes and sounds, Large, bold visuals, Pre-made and saved presets, Workout log and replay, Ad-free experience

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (monthly subscription) | $0.99 | per month |
| Premium (yearly subscription) | $4.99 | per year |
| Lifetime premium | $14.99 | one-time |


### HIIT 974

[App page](https://appshunter.io/ios/app/hiit-974/id6779238521)

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

**In-app purchases:** none


## Frequently asked questions

### Is Modern Interval Workout Timer free?

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

### Is HIIT 974 free?

HIIT 974 is free to download, with no in-app purchases.

### Do Modern Interval Workout Timer or HIIT 974 have ads?

Neither Modern Interval Workout Timer nor HIIT 974 shows ads.

### Which is updated more often, Modern Interval Workout Timer or HIIT 974?

Modern Interval Workout Timer ships an update every 4 days, and HIIT 974 every 3 days. Most recently, Modern Interval Workout Timer was updated on October 12, 2026 and HIIT 974 on October 15, 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.*