IBJJF Rules vs MAT+
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.
MAT+
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MAT+ is the all-in-one management platform and student companion built for Jiu-Jitsu academies. For academy teams, MAT+ brings memberships, billing, attendance, class scheduling, curriculum and belt progression together in one place. For students and families, the app makes it easy to view schedules, book classes, follow progress, manage memberships, receive academy updates and stay connected with the community. Key features: • Member and membership management • Attendance and check-ins • Class schedules and bookings • Curriculum and belt progression • Rewards and achievements • Billing and payment records for academy services • Academy announcements and notifications • Student profiles and family access MAT+ is a secure, account-based service for participating academies and their members. An existing MAT+ account is required.
Screenshots
Verdict
The clearest difference is update cadence: MAT+ at every 3 days against IBJJF Rules's every 5 months. IBJJF Rules's advantage is iOS requirement (13.0 vs 15.0). On price, ads, 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 ships an update every 5 months, MAT+ every 3 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | IBJJF Rules | MAT+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (697 ratings) — better | — |
| Positive reviews | 89.3% of reviews | — |
| Number of ratings | 697 — better | — |
| Update frequency | Every 5 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | smudge.io PTY LTD | MAT PLUS PTY LTD |
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
MAT+
Not enough reviews yet to summarise bugs or requests.
In-app purchases
IBJJF Rules
No in-app purchases
MAT+
No in-app purchases
