# Modern Interval Workout Timer vs HartKnock Boxing Timer

The clearest difference is in-app purchases: HartKnock Boxing Timer at none against Modern Interval Workout Timer's 3. HartKnock Boxing Timer also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price and ads 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. HartKnock Boxing Timer asks for nothing beyond the download.

## The numbers

| Metric | Modern Interval Workout Timer | HartKnock Boxing Timer |
| --- | --- | --- |
| 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 | — |
| Monetization | Freemium | — |
| Size | 9 MB | 43 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marc Gauthier](https://appshunter.io/developer/834944348) | [Michael Kane](https://appshunter.io/developer/677284939) |

## 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 |


### HartKnock Boxing Timer

[App page](https://appshunter.io/ios/app/hartknock-boxing-timer/id6743677255)

**Features:** macOS Compatibility

**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 HartKnock Boxing Timer free?

HartKnock Boxing Timer is free to download, with no in-app purchases.

### Do Modern Interval Workout Timer or HartKnock Boxing Timer have ads?

Neither Modern Interval Workout Timer nor HartKnock Boxing Timer shows ads.

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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.*