# Whistle Timer vs Boxing Round Interval Timer

The clearest difference is rating: Boxing Round Interval Timer at 5.0 against Whistle Timer's 4.4. Boxing Round Interval Timer also leads on in-app purchases (none vs 1). Whistle Timer's advantage is ads (none vs shown) and review sentiment (29% vs 0%). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Whistle Timer sells 1 one-off in-app purchase. Boxing Round Interval Timer asks for nothing beyond the download.

Boxing Round Interval Timer holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Whistle Timer has 99 ratings behind it against 12, so its average is the more settled of the two. Written reviews complicate that: 29% of Whistle Timer's written reviews are positive against 0% of Boxing Round Interval Timer's, so the app with the better star average is not the one people write more warmly about.

Whistle Timer ships an update every 10 months, Boxing Round Interval Timer every 35 months. The most recent releases landed on September 15, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Whistle Timer | Boxing Round Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (99 ratings)](https://appshunter.io/ios/app/whistle-timer/id1279336519/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/boxing-round-interval-timer/id1512605025/reviews)** |
| Number of ratings | **99** | 12 |
| Positive reviews | **28.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 10 months** | Every 35 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 4 MB | 9 MB |
| Requires iOS | 15 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Applorium Ltd](https://appshunter.io/developer/1688522804) | [usman hamid](https://appshunter.io/developer/1168352618) |

## What reviewers say

### Whistle Timer

[App page](https://appshunter.io/ios/app/whistle-timer/id1279336519)

Create custom workout schedules with customizable work and break intervals. Save your training plans for future use and focus on your fitness goals. The app can run in the background to keep your workout on track.

**Highlights:** Customizable workout schedules, Add custom breaks, Save training plans, Background operation, Whistle sound option

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all settings | $2.99 | one-time |


### Boxing Round Interval Timer

[App page](https://appshunter.io/ios/app/boxing-round-interval-timer/id1512605025)

This customizable interval timer is designed for boxing and MMA training. It offers adjustable round sessions, rest periods, warm-up, and cool-down timers. Track your daily workouts and enjoy background music during your fitness routines.

**Highlights:** Customizable round sessions, Adjustable rest and interval timers, Warm-up and cool-down periods, Daily workout tracking, Background music support, Preloaded and custom workout settings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Whistle Timer free?

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

### Is Boxing Round Interval Timer free?

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

### Which has better reviews, Whistle Timer or Boxing Round Interval Timer?

Boxing Round Interval Timer is rated higher. Whistle Timer averages 4.4 out of 5 from 99 ratings, while Boxing Round Interval Timer averages 5.0 from 12 ratings.

### Do Whistle Timer or Boxing Round Interval Timer have ads?

Boxing Round Interval Timer shows ads; Whistle Timer does not.

### Which is updated more often, Whistle Timer or Boxing Round Interval Timer?

Whistle Timer ships an update every 10 months, and Boxing Round Interval Timer every 35 months. Most recently, Whistle Timer was updated on September 15, 2026 and Boxing Round Interval Timer on June 6, 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.*