IBJJF Rules vs Judokai lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Judokai lite
Master Judo techniques with an offline video library and interactive quizzes. Learn from world-class masters and track your progress. Transform your device into a virtual dojo for comprehensive Judo education.
- Offline video library
- Professional quality demonstrations
- Complete technique glossary
- Interactive quiz game
- Progress tracking
- Learn from Judo masters
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Take your Judo skills to the next level with the ultimate free Judo app! Whether you are a beginner stepping onto the tatami for the first time or an advanced judoka refining your technique, our app provides the most effective Kodokan Judo education available. WHY CHOOSE OUR JUDO APP? - Offline Video Library: Access flawless technique demonstrations anytime, anywhere - no internet connection required. - Professional Studio Quality: Crystal-clear videos filmed from multiple angles for optimal learning. - Complete Glossary: Master the original names and true meanings of every Judo technique. - Interactive Quiz Game: Test your Judo knowledge, track your progress, and have fun while learning. LEARN FROM THE MASTERS: Our content is meticulously directed by Judo pioneer Master Eduardo Costa, ensuring unmatched educational value. All techniques are flawlessly demonstrated by Master César Nicola - 2021 Judo World Veteran's Champion, international referee, and former Katas European Champion. Transform your smartphone into a virtual dojo. Download for free today, explore our updated techniques, and start your journey to Judo mastery!
Screenshots
Verdict
The clearest difference is update cadence: Judokai lite at every 2 weeks against IBJJF Rules's every 5 months. Judokai lite also leads on review sentiment (100% vs 89%). IBJJF Rules's advantage is ratings volume (698 vs 70) and iOS requirement (13.0 vs 15.6). On price, rating, ads and in-app purchases 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.
On the App Store both sit at effectively the same score — 4.8 for IBJJF Rules against 4.8 for Judokai lite. That said, the two scores are not equally well evidenced: IBJJF Rules has 698 ratings behind it against 70, so its average is the more settled of the two. Written reviews are what separate them: 89% of IBJJF Rules's written reviews are positive against 100% of Judokai lite's.
IBJJF Rules ships an update every 5 months, Judokai lite every 2 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | IBJJF Rules | Judokai lite |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (698 ratings) — better | 4.8 (70 ratings) |
| Positive reviews | 89.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 698 — better | 70 |
| Update frequency | Every 5 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 4 MB | 167 MB |
| Age rating | 4+ | 4+ |
| Developer | smudge.io PTY LTD | Eduardo Costa Producoes Audiovisuais LDA |
Customer experience
IBJJF Rules
Judokai lite
Bugs and requests
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
Judokai lite
Not enough reviews yet to summarise bugs or requests.
In-app purchases
IBJJF Rules
No in-app purchases
Judokai lite
No in-app purchases
