# Boxing Interval Timer vs Core Advantage Interval Timer

The clearest difference is in-app purchases: Core Advantage Interval Timer at none against Boxing Interval Timer's 1. Core Advantage Interval Timer also leads on ads (none vs shown) and rating (5.0 vs 4.8). Boxing Interval Timer's advantage is ratings volume (13K vs 4) and review sentiment (59% vs 50%). On price, update cadence and device support there is nothing between them.

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

Core Advantage Interval Timer 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 4, so its average is the more settled of the two. Written reviews complicate that: 59% of Boxing Interval Timer's written reviews are positive against 50% of Core Advantage Interval Timer's, so the app with the better star average is not the one people write more warmly about.

Boxing Interval Timer ships an update every 3 months, Core Advantage Interval Timer every 2 months. The most recent releases landed on September 24, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | Boxing Interval Timer | Core Advantage Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (13K ratings)](https://appshunter.io/ios/app/boxing-interval-timer/id1318795527/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/core-advantage-interval-timer/id1326735105/reviews)** |
| Number of ratings | **13K** | 4 |
| Positive reviews | **58.6% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 16 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thang Nguyen](https://appshunter.io/developer/921360262) | [Core Advantage Pty Ltd](https://appshunter.io/developer/1326735104) |

## 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)


### Core Advantage Interval Timer

[App page](https://appshunter.io/ios/app/core-advantage-interval-timer/id1326735105)

Create and follow custom interval training routines or choose from pre-built workouts. This app supports various training styles, from high-intensity sprints to tempo control and stretching protocols, with adjustable music volume.

**Highlights:** Customizable workout builder, Pre-built workout library, Adjustable interval volume, Training metronome, Repeat sprint timer, Tempo control timer

**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 Core Advantage Interval Timer free?

Core Advantage Interval Timer is free to download, with no in-app purchases.

### Which has better reviews, Boxing Interval Timer or Core Advantage Interval Timer?

Core Advantage Interval Timer is rated higher. Boxing Interval Timer averages 4.8 out of 5 from 13K ratings, while Core Advantage Interval Timer averages 5.0 from 4 ratings.

### Do Boxing Interval Timer or Core Advantage Interval Timer have ads?

Boxing Interval Timer shows ads; Core Advantage Interval Timer does not.

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

Boxing Interval Timer ships an update every 3 months, and Core Advantage Interval Timer every 2 months. Most recently, Boxing Interval Timer was updated on September 24, 2026 and Core Advantage Interval Timer on August 17, 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.*