# Interval Workout & HIIT Timer vs Boxing Timer Round

The clearest difference is device support: Boxing Timer Round at 3 against Interval Workout & HIIT Timer's 1. Boxing Timer Round also leads on iOS requirement (15.1 vs 26.2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Interval Workout & HIIT Timer sells 2 one-off in-app purchases and Boxing Timer Round sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

Interval Workout & HIIT Timer ships an update every 3 weeks, Boxing Timer Round every 10 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Interval Workout & HIIT Timer | Boxing Timer Round |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/interval-workout-and-hiit-timer/id6757612687/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 53 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | iPhone | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Massive Interface LLC](https://appshunter.io/developer/1456804634) | [Doruk Dumlu](https://appshunter.io/developer/1895617634) |

## What reviewers say

### Interval Workout & HIIT Timer

[App page](https://appshunter.io/ios/app/interval-workout-and-hiit-timer/id6757612687)

This minimalist interval timer helps you focus on your workout by managing your timing. It offers multiple modes for HIIT, Tabata, and standard intervals, with customizable transition times and focus-friendly audio or haptic feedback. Seamlessly track progress on your lock screen.

**Highlights:** Multiple timer modes (HIIT, Tabata, standard), Customizable interval and rest periods, Smart 'Interval Gap' transition timer, Focus-friendly audio cues and haptic feedback, Live Activities and Dynamic Island integration, Background notifications

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Home and Lock Screen Support | $0.99 | one-time |
| Live Activities and Dynamic Island | $1.99 | one-time |


### Boxing Timer Round

[App page](https://appshunter.io/ios/app/boxing-timer-round/id6766887284)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Yearly | $9.99 | per year |
| Pro Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Interval Workout & HIIT Timer free?

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

### Is Boxing Timer Round free?

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

### Do Interval Workout & HIIT Timer or Boxing Timer Round have ads?

Neither Interval Workout & HIIT Timer nor Boxing Timer Round shows ads.

### Which is updated more often, Interval Workout & HIIT Timer or Boxing Timer Round?

Interval Workout & HIIT Timer ships an update every 3 weeks, and Boxing Timer Round every 10 days. Most recently, Interval Workout & HIIT Timer was updated on October 31, 2026 and Boxing Timer Round on October 31, 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.*