IBJJF Rules vs 1Fitness
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.
1Fitness
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Experience Fitness For All - All in One! Get personalized workouts, expert guidance, and a supportive community with our comprehensive fitness app. Achieve your goals, from strength to stamina, with ease. Your elite 1Fitness personal trainer will accompany you every step of the way. Download now and start your fitness journey! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: IBJJF Rules at none against 1Fitness's 3. IBJJF Rules also leads on iOS requirement (13.0 vs 15.1). 1Fitness's advantage is update cadence (fortnightly vs every 5 months). On price, ads 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. 1Fitness sells 3 in-app purchases, starting at $9.99 per 7 days. IBJJF Rules asks for nothing beyond the download.
IBJJF Rules ships an update every 5 months, 1Fitness fortnightly. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.
| Parameter | IBJJF Rules | 1Fitness |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (698 ratings) — better | — |
| Positive reviews | 89.3% of reviews | — |
| Number of ratings | 698 — better | — |
| Update frequency | Every 5 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | smudge.io PTY LTD | Abdolhosein Hashemizadeh |
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
1Fitness
Not enough reviews yet to summarise bugs or requests.
In-app purchases
IBJJF Rules
No in-app purchases
1Fitness
- Basic$9.997 Days
- Premium$19.997 Days
- VIP$49.997 Days
