# Boxing Interval Timer vs Timer4BJJ

The clearest difference is review sentiment: Boxing Interval Timer at 59% against Timer4BJJ's 0%. Boxing Interval Timer also leads on rating (4.8 vs 1.0) and ratings volume (13K vs 1). Timer4BJJ's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Boxing Interval Timer sells 1 one-off in-app purchase. Timer4BJJ asks for nothing beyond the download.

Boxing Interval Timer holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Boxing Interval Timer has 13K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 59% of Boxing Interval Timer's written reviews are positive against 0% of Timer4BJJ's.

Boxing Interval Timer ships an update every 3 months, Timer4BJJ every 7 months. The most recent releases landed on October 6, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Boxing Interval Timer | Timer4BJJ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (13K ratings)](https://appshunter.io/ios/app/boxing-interval-timer/id1318795527/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/timer4bjj/id6463508608/reviews) |
| Number of ratings | **13K** | 1 |
| Positive reviews | **59.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 1 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) | [INVENTIVE TECHNOLOGY CONSULTING GmbH](https://appshunter.io/developer/1704547940) |

## 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)


### Timer4BJJ

[App page](https://appshunter.io/ios/app/timer4bjj/id6463508608)

This app helps practitioners time their Brazilian Jiu-Jitsu rolling and rest periods. It allows for custom configurations of multiple rounds with distinct durations, streamlining training sessions.

**Highlights:** Customizable roll and rest times, Multiple round configurations, Simple and practical interface, Efficient training tool

**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 Timer4BJJ free?

Timer4BJJ is free to download, with no in-app purchases.

### Which has better reviews, Boxing Interval Timer or Timer4BJJ?

Boxing Interval Timer is rated higher. Boxing Interval Timer averages 4.8 out of 5 from 13K ratings, while Timer4BJJ averages 1.0 from 1 ratings.

### Do Boxing Interval Timer or Timer4BJJ have ads?

Boxing Interval Timer shows ads; Timer4BJJ does not.

### Which is updated more often, Boxing Interval Timer or Timer4BJJ?

Boxing Interval Timer ships an update every 3 months, and Timer4BJJ every 7 months. Most recently, Boxing Interval Timer was updated on October 6, 2026 and Timer4BJJ on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*