Ujitsu vs OSS Academy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ujitsu
This app is a comprehensive platform for jiu-jitsu practitioners. It allows users to book classes, track their progress, find training partners, and connect with a global community. Tools are also available for athletes and academies to build their presence.
- Book jiu-jitsu classes
- Track training progress and set goals
- Find sparring partners
- Connect with a global grappler community
- Tools for athletes and academies
- Stay updated on tournaments and events
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Ujitsu is the all-in-one platform designed for every jiu-jitsu practitioner – whether you're just starting, training for competition, or coaching the next generation. Book classes, track your progress, find sparring partners, and engage with a global community of grapplers, all from one seamless app. Why Ujitsu? • Find & book classes – train with top coaches at academies near you. • Track your journey – log your progress, set goals, and analyze performance. • Compete & connect – stay updated on tournaments, events, and exclusive insights. • Grow your brand – tools for athletes and academies to showcase their skills and build their presence. Master the art, elevate your training, and be part of the most engaged jiu-jitsu network. Download Ujitsu now and take your game to the next level! -- Ujitsu Terms of Use: https://ujitsu.com/termsofuse Ujitsu Privacy Policy: https://ujitsu.com/privacypolicy Subscriptions Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
OSS Academy
This platform streamlines the management of combat sports academies, offering tools for class scheduling, attendance tracking, payments, and student progression. It supports academy owners, professors, and practitioners with features for managing finances, teaching, and tracking martial arts journeys.
- Smart class scheduling
- Attendance tracking (QR code)
- Member management with roles
- Integrated payment processing
- Student progression tracking
- Competition management
- Built-in store for merchandise
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OSS Academy is the all-in-one platform to run your combat sports academy, BJJ, Judo, MMA, Grappling, and help your students progress. Classes, payments, attendance, competitions, community: everything lives in one app. FOR ACADEMY OWNERS Run your academy end-to-end: • Smart scheduling with recurring class rules • Attendance tracking, manual or by QR code • Members, roles (student, professor, co-owner) and managed accounts for kids • Approval, blocking and invite-code onboarding • Owner dashboard with KPIs, alerts and quick actions • In-depth analytics: attendance, demographics, instructor performance PAYMENTS & SUBSCRIPTIONS The most complete financial toolkit on the market: • Stripe Connect built in for card payments • Cash, checks and bank transfers • Sport vouchers (Pass Sport, CAF, BAZ, CNAS Pass+ and more) • Split payments (combine several methods in a single transaction) • Subscription products (monthly, yearly, packs, free trials) • Pro-rated or full-month billing • Outstanding-balance tracking and full payment history PROFESSORS Tools built for teaching: • Create and manage classes • Rate students on each lesson material • Personal stats (teaching hours, classes given) • Attention dashboard to spot struggling students early • Post updates and polls to the academy feed FOR PRACTITIONERS Track your journey: • Clear agenda of all your sessions • Join a class in one tap • QR scan for attendance • Public and private competitions (filter by federation, weight, age, belt) • Academy leaderboard • Full graduation and belt history • Attendance and progression stats COMPETITIONS Live the competition: • Discover public and academy-private events • Register with category selection • Real-time status (interested, registered, on site) • Brackets, results and podiums • Personal competition history GRADUATIONS Structure your members' progress: • Custom graduation paths • Configurable promotion criteria • Complete history per practitioner • Multi-sport (BJJ, Judo, MMA, Grappling) BUILT-IN STORE Sell your gear: • Merch catalog (gi, t-shirts, equipment) • Order tracking • CSV export for fulfillment COMMUNITY Bring your academy to life: • Feed of posts, photos and polls • Likes, comments and pinned announcements • Public member profiles • Push notifications PERSONALIZATION • Light, dark or automatic mode • Multi-academy from a single account • Built for mobile, tablet and web • Multilingual SECURITY • Two-factor authentication (2FA) • Secure data storage • GDPR compliant • Your personal data is never shared SUPPORT Our team is reachable directly from the app for any question or suggestion. OSS Academy is where martial arts tradition meets modern software. Whether you own an academy, teach a class or step on the mats, OSS Academy makes your day easier and your community stronger. Download OSS Academy and take your academy to the next level. OSS!
Screenshots
Verdict
The clearest difference is in-app purchases: OSS Academy at none against Ujitsu's 4. OSS Academy also leads on review sentiment (100% vs 67%) and device support (3 vs 1). Ujitsu's advantage is update cadence (weekly vs every 2 weeks). On price and ads 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. Ujitsu sells 4 in-app purchases, starting at $4.99 per month. OSS Academy asks for nothing beyond the download.
Ujitsu ships an update weekly, OSS Academy every 2 weeks. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.
| Parameter | Ujitsu | OSS Academy |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 71 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | Ujitsu DMCC | Jeremy Roustang |
Customer experience
Ujitsu
OSS Academy
In-app purchases
Ujitsu
- Personal Monthly Plan1 Month trial$4.991 Month
- Personal Annual Plan1 Month trial$34.991 Year
- Academy Basic Monthly Plan1 Month trial$49.991 Month
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- Academy Basic Annual Plan1 Month trial$359.001 Year
OSS Academy
No in-app purchases









