# Boxing Round Timer vs IBJJF Rules

The clearest difference is rating: IBJJF Rules at 4.8 against Boxing Round Timer's 3.2. IBJJF Rules also leads on ads (none vs shown) and review sentiment (89% vs 56%). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IBJJF Rules holds the better App Store score, 4.8 against 3.2. That said, the two scores are not equally well evidenced: IBJJF Rules has 693 ratings behind it against 49, so its average is the more settled of the two. Written reviews point the same way: 56% of Boxing Round Timer's written reviews are positive against 89% of IBJJF Rules's.

Boxing Round Timer ships an update every 3 months, IBJJF Rules every 5 months. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Boxing Round Timer | IBJJF Rules |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (49 ratings)](https://appshunter.io/ios/app/boxing-round-timer/id406841961/reviews) | **[4.8 (693 ratings)](https://appshunter.io/ios/app/ibjjf-rules/id667446064/reviews)** |
| Number of ratings | 49 | **693** |
| Positive reviews | 56.4% of reviews | **89.3% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Ad-supported | **Free** |
| Size | 7 MB | 4 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gamagori88](https://appshunter.io/developer/384325344) | [smudge.io PTY LTD](https://appshunter.io/developer/426335181) |

## What reviewers say

### Boxing Round Timer

[App page](https://appshunter.io/ios/app/boxing-round-timer/id406841961)

This interval timer is designed for boxing and other exercises, offering a simple interface for easy setup. Customize round numbers, round duration, and interval times to suit your workout needs. It automatically pauses for calls or other apps.

**Highlights:** Customizable rounds (1-15 or infinity), Adjustable round and interval times, Automatic pause for calls/other apps, Simple and intuitive user interface, Suitable for boxing and various exercises

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Useful app
- 👍 Simple and easy to use
- 🔔 Clear bell sound
- 💡 Good options for rounds, rest time, and time
- 👍 Flexible for various activities

**What reviewers complain about**

- 🐛 Sound issues (no sound, low volume, inconsistent)
- 🔒 Can't run in background or with screen locked
- 🔋 Drains battery
- 🐛 Crashes, freezes, or stops working

**Reported bugs**

- Sound stopped working
- Timer stops when phone is locked or app is in background
- Crashes after iOS 9 update

**Requested features**

- Add 45 second rest time option
- Distinguish rest rounds with visual cue
- Add countdown before first round
- Allow locking screen without pausing timer
- Increase volume/customizable sound


### IBJJF Rules

[App page](https://appshunter.io/ios/app/ibjjf-rules/id667446064)

Access a comprehensive guide to International Brazilian Jiu Jitsu Federation competition rules. Quickly find details on scoring, fouls, age and weight limits, and fight durations for referees, coaches, and athletes.

**Highlights:** IBJJF rules reference, Severe technical fouls, Points and scoring, Age limits, Weight classes, Fight durations

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive user interface
- 🚀 Quick reference guide for rules
- 📚 Comprehensive IBJJF ruleset information
- ⚡ Easy navigation and accessibility
- 🎯 Helpful for competitors, coaches, and referees

**What reviewers complain about**

- 📖 Insufficient detailed information
- 🔄 Outdated rule updates
- 🌐 Limited language options

**Reported bugs**

- App functionality issues (non-functional features)

**Requested features**

- Weight classes and divisions tab
- Portuguese language support
- Updated IBJJF 2020+ rules
- AJP (Asian Jiu-Jitsu Pro) rules inclusion


## Frequently asked questions

### Is Boxing Round Timer free?

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

### Is IBJJF Rules free?

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

### Which has better reviews, Boxing Round Timer or IBJJF Rules?

IBJJF Rules is rated higher. Boxing Round Timer averages 3.2 out of 5 from 49 ratings, while IBJJF Rules averages 4.8 from 693 ratings.

### Do Boxing Round Timer or IBJJF Rules have ads?

Boxing Round Timer shows ads; IBJJF Rules does not.

### Which is updated more often, Boxing Round Timer or IBJJF Rules?

Boxing Round Timer ships an update every 3 months, and IBJJF Rules every 5 months. Most recently, Boxing Round Timer was updated on September 23, 2026 and IBJJF Rules on September 21, 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.*