Boxing Round Timer vs IBJJF Rules
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Boxing Round Timer
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.
- 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
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A round timer for boxing, kickboxing, martial arts, HIIT and Tabata training. Huge, high-contrast digits let you read the remaining time from across the gym. FEATURES • Your music keeps playing Use it with Apple Music or Spotify running. The gong is mixed over your music instead of interrupting it. • A real gong Recorded from an actual gong, not a synthesised beep. • A warning before the bell A sound marks the last 10 or 30 seconds of a round. You can turn it off. • The screen changes colour during rest Tell work from rest at a glance, without reading the numbers. • The screen stays awake Auto-lock is disabled while the timer runs, so you can leave the phone on the floor. • Vibration Get the cue without sound. Switch it on or off. SETTINGS • Round time: 30 seconds, or 1 to 10 minutes • Rest: 0 seconds, 15 seconds, 30 to 150 seconds, or 3 to 10 minutes • Rounds: 1 to 15, or unlimited TIPS • Wearing gloves? You can tap START with your tongue. • If the sounds are too quiet, check the ringer volume in Settings > Sounds & Haptics. NOTE • The timer does not advance while you are in another app. It resumes where it left off when you come back.
IBJJF Rules
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.
- IBJJF rules reference
- Severe technical fouls
- Points and scoring
- Age limits
- Weight classes
- Fight durations
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This app provides a ready reference for referees, coaches and athletes involved in International Brazilian Jiu Jitsu Federation competitions. Details of IBJJF rules including severe technical fouls, points, age limits, weights and fight durations are provided. This app is not endorsed by or affiliated with the International Brazilian Jiu Jitsu Federation.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Boxing Round Timer | IBJJF Rules |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (49 ratings) | 4.8 (693 ratings) — better |
| Positive reviews | 56.4% of reviews | 89.3% of reviews — better |
| Number of ratings | 49 | 693 — better |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Gamagori88 | smudge.io PTY LTD |
Customer experience
Boxing Round Timer
IBJJF Rules
User reviews
Boxing Round Timer
From 49 App Store ratingsWhat we love
- 🚀 Useful app
- 👍 Simple and easy to use
- 🔔 Clear bell sound
- 💡 Good options for rounds, rest time, and time
- 👍 Flexible for various activities
Room to improve
- 🐛 Sound issues (no sound, low volume, inconsistent)
- 🔒 Can't run in background or with screen locked
- 🔋 Drains battery
- 🐛 Crashes, freezes, or stops working
IBJJF Rules
From 693 App Store ratingsWhat we love
- 👍 Simple and intuitive user interface
- 🚀 Quick reference guide for rules
- 📚 Comprehensive IBJJF ruleset information
- ⚡ Easy navigation and accessibility
- 🎯 Helpful for competitors, coaches, and referees
Room to improve
- 📖 Insufficient detailed information
- 🔄 Outdated rule updates
- 🌐 Limited language options
Bugs and requests
Boxing Round Timer
Reported bugs
3 issues- Sound stopped working
- Timer stops when phone is locked or app is in background
- Crashes after iOS 9 update
Requested features
5 requests- 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
Reported bugs
1 issue- App functionality issues (non-functional features)
Requested features
4 requests- Weight classes and divisions tab
- Portuguese language support
- Updated IBJJF 2020+ rules
- AJP (Asian Jiu-Jitsu Pro) rules inclusion
In-app purchases
Boxing Round Timer
No in-app purchases
IBJJF Rules
No in-app purchases
Questions
Is Boxing Round Timer free?
Is IBJJF Rules free?
Which has better reviews, Boxing Round Timer or IBJJF Rules?
Do Boxing Round Timer or IBJJF Rules have ads?
Which is updated more often, Boxing Round Timer or IBJJF Rules?
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