# Boxing Interval Timer vs Knuckleheads Boxing

The clearest difference is in-app purchases: Knuckleheads Boxing at none against Boxing Interval Timer's 1. Knuckleheads Boxing also leads on rating (5.0 vs 4.8) and iOS requirement (14.0 vs 17.0). Boxing Interval Timer's advantage is ratings volume (13K vs 3) and update cadence (every 3 months vs every 15 months). On price, ads and device support there is nothing between them.

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

Knuckleheads Boxing holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Boxing Interval Timer has 13K ratings behind it against 3, so its average is the more settled of the two.

Boxing Interval Timer ships an update every 3 months, Knuckleheads Boxing every 15 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Boxing Interval Timer | Knuckleheads Boxing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (13K ratings)](https://appshunter.io/ios/app/boxing-interval-timer/id1318795527/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/knuckleheads-boxing/id1532452083/reviews)** |
| Number of ratings | **13K** | 3 |
| Positive reviews | 58.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 15 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 12 MB | 86 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thang Nguyen](https://appshunter.io/developer/921360262) | [J.R. Natale Logistics LLC](https://appshunter.io/developer/1532452085) |

## What reviewers say

### Boxing Interval Timer

[App page](https://appshunter.io/ios/app/boxing-interval-timer/id1318795527)

This app provides a customizable interval timer for various round-based sports and high-intensity interval training. Easily set times and sounds for preparation, rounds, and rest, with visual and auditory alerts to keep you on track during your workouts.

**Highlights:** Configurable sounds and times, Set preparation, round, and rest intervals, Inner round alerts, Color phase indication, Blinking warning alerts, Multiple custom profiles, Screen stays on automatically

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $5.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Straightforward app
- 💡 Customizable timer settings
- 👍 Versatile for various workouts
- 👍 Reliable and consistent

**What reviewers complain about**

- 🐛 Timer stops when phone is locked or app is in background
- 🐛 Inaccurate timer when switching apps
- 🔋 High battery consumption when screen is on
- 🔔 Lack of customizable sounds/alerts
- 📢 Excessive ads in free version

**Reported bugs**

- Timer stops when switching apps or locking phone
- Ads interfere with timer functionality
- Inconsistent timer performance (slowing down, stopping)
- Inability to close ads or navigate around them

**Requested features**

- Allow timer to run in background
- Add more sound/alert options (e.g. boxing bell, countdown)
- Improve ad placement to avoid interrupting workouts
- Provide more customization options for timer settings
- Implement tracking features (e.g. total time, weekly progress)


### Knuckleheads Boxing

[App page](https://appshunter.io/ios/app/knuckleheads-boxing/id1532452083)

Easily plan and schedule fitness classes directly from your device. View class schedules, sign up, check promotions, and access studio contact information. Stay connected to social pages and optimize your time with this convenient app.

**Highlights:** Class schedule viewing, Class sign-up, Promotion display, Studio location and contact, Social media integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Boxing Interval Timer free?

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

### Is Knuckleheads Boxing free?

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

### Which has better reviews, Boxing Interval Timer or Knuckleheads Boxing?

Knuckleheads Boxing is rated higher. Boxing Interval Timer averages 4.8 out of 5 from 13K ratings, while Knuckleheads Boxing averages 5.0 from 3 ratings.

### Do Boxing Interval Timer or Knuckleheads Boxing have ads?

Both Boxing Interval Timer and Knuckleheads Boxing show ads.

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

Boxing Interval Timer ships an update every 3 months, and Knuckleheads Boxing every 15 months. Most recently, Boxing Interval Timer was updated on October 15, 2026 and Knuckleheads Boxing on October 9, 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.*