BJJ-Specific Gym Software. Built for Progress.

Run Smarter. Track Progress. Build a Winning Gym.

Fair & transparent belt and stripe tracking –
No more guesswork. No more awkward talks.
Class & attendance management –
Full control for coaches and students. Everyone knows where they need to be.
Keep students motivated –
Clear progress. Clear goals. Fewer dropouts.
Grow your gym & brand –
Scale what works. Drop what doesn’t. JitsuJoin handles the rest.

Kapitalanlage Immobilien Rentenlücke schließen Vermögen aufbauen Steuern senken

Try JitsuJoin Free
Multiple devices showcasing different views of the Join Jitsu app.
One System That Does It All.
One System That Does It All.
One System That Does It All.
One System That Does It All.
One System That Does It All.
One System That Does It All.
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12 140
Satisfied USERS
+
220
Active GYMS
+
21 000
Organized classes
+
10
Years of Business experience
JITSUJOIN
What’s Really Slowing Your Gym Down?

Here are the 4 silent killers we see in BJJ gyms again and again

You’ve got great coaches. Loyal students. Solid mats.
So why does it still feel like you’re spinning your wheels?The truth?

It’s not the training that holds most gyms back – it’s everything else.

Revenue Leaks

You're not charging too little.
You’re just leaving money on the table — through missed check-ins, no-shows, and zero visibility into who’s active and who’s drifting.

Silent Dropouts

Motivated white belts disappear without warning. Why?
Because they don’t see progress. No roadmap. No feedback. No reason to stay.

Tracking Chaos

Belts are given “by feel”. Attendance lives in notebooks. Promotions lead to awkward questions.
Your time goes into fixing systems — not building athletes.

Reputation Fade

Word gets around. If your gym feels disorganized or unfair, students don’t bring their friends.
Without structure, trust crumbles — and growth slows.

Build the System to Support It.

The Fix? One System That Does It All.

No more sticky notes, lost attendance lists or “gut feeling” promotions. If your coaching is world-class, your gym structure should be too.

JitsuJoin gives you back control — with clean tracking, fair promotions, better planning, and zero chaos.
Because great coaching deserves a great system behind it.

Tired of guessing who's ready for the next stripe?

Try JitsuJoin Free — start today.
Gym success: More than just training

Great Coaching Isn’t Enough. Not Anymore.

You run killer classes. You know your craft.
But behind the scenes? It’s messy. Unclear schedules. Frustrated students. Missed check-ins.

Let’s be real:
Being a great coach doesn’t guarantee a great gym.
Structure does.

Without a system, here’s what slips through the cracks:
Class scheduling – You’re repeating info in chats and chasing no-shows.
Student communication – Motivation fades when students feel lost or ignored.
Progress tracking – Without clarity, promotions feel random and students drift.

JitsuJoin gives you the system that supports your coaching —so your students stay longer, train harder, and your gym actually grows.

Group photo of Jiu-Jitsu practitioners celebrating a competition win in front of a World Jiu-Jitsu bannerTwo Jiu-Jitsu athletes sparring on the mat, practicing techniques
A Jiu-Jitsu instructor in a black gi reading a notebook during a breakTwo athletes in white gis performing grappling techniques during a Jiu-Jitsu classA Jiu-Jitsu champion holding two trophies on stage in front of a championship bannerA Jiu-Jitsu instructor demonstrating a technique to students on the mat
A Jiu-Jitsu practitioner in a blue gi practicing a submission technique on a partnerA Jiu-Jitsu student in a black gi focusing during trainingTwo athletes grappling during a no-gi Jiu-Jitsu session
Jiu-Jitsu students in blue and black gis training together in a classA group of Jiu-Jitsu practitioners celebrating a championship victory in front of the World Jiu-Jitsu bannerA mixed group of Jiu-Jitsu practitioners training on the mats, focusing on drills
How JitsuJoin Elevates Your Gym

Optimize. Retain. Grow.

You’re already doing the hard part — now let’s make it scalable.

JitsuJoin helps you turn structure into strength and coaching into long-term growth. Here's how:

Try JitsuJoin Free. Start Today.

Maximize Gym Profitability

Stop losing revenue to no-shows, confusion, and student dropouts.
Track attendance and engagement in real-time and turn data into action.

Effortless Gym Operations

Ditch spreadsheets and chaotic chats.
Automate schedules, attendance, and promotions — so you can coach, not babysit systems.

Keep Students Training Longer

When students know where they stand, they stick around.
JitsuJoin keeps them motivated with visible progress and crystal-clear goals.

Get Coaches on the Same Page

No more mixed signals or miscommunication.
Your entire coaching team sees who’s showing up, who’s improving, and who needs extra support.

Build a Gym That Students Recommend

Consistency builds trust.
Trust builds community.
And community builds the kind of gym people talk about — and bring friends to.

You’ve Got the Coaching. We’ve Got the System.

You already know what makes a great gym on the mat.
Let’s build that same clarity and control behind the scenes.

More structure.
More retention.
More growth — without more stress.

Try JitsuJoin Free. Start Today.
team of professionals

Meet the Team Behind JitsuJoin

We didn’t start with software.
We started on the mat — running Europe’s largest ALLIANCE gym and leading the charge at DREAM ART Europe.

We’ve felt the chaos.
We’ve dealt with the “Who gets the next stripe?” moments.
We’ve juggled schedules, dropouts, and late-night admin overload.

That’s exactly why we built JitsuJoin:
A system designed by people who live BJJ daily — for coaches and gym owners who want more than just survival.

We didn’t guess what you need.
We’ve lived it. Now we’ve solved it.

Portrait of Kilian Dütsch, CEO, Founder, and Software Expert.

CEO – Founder – Software

Kilian co-founded Alliance BJJ Germany, which grew into the largest Alliance academy in Europe. In 2022, together with Philip Eger, he transformed it into Dream Art Europe – the first and biggest Dream Art gym on the continent. He has also been a lead software developer at renowned companies like SpaceX, General Electric and Daimler.

Now, he brings that same level of precision and vision to JitsuJoin — building tools that make gyms as structured, scalable, and elite as the teams that train inside the

Portrait of Philip Eger, responsible for Content Creation and a BJJ Black Belt.

Business Development – BJJ Black Belt

Philip is the co-founder of Alliance BJJ Germany and the driving force behind its transformation into Dream Art Europe — the first and largest Dream Art academy in Europe.

With a deep background in business development and systems thinking, Philip has spent years solving the operational headaches that most gyms still wrestle with today. From student retention to scalable structures — he’s been there, fixed that.

Now, with JitsuJoin, he’s turning those insights into real solutions for gym owners who want to grow without losing control.

Portrait of Jürgen Krauss, Project Manager specializing in Customer Care.

Project Manager – Customer Care

Jürgen is the backbone of JitsuJoin’s operations. As an experienced project manager, he ensures everything runs smoothly — from feature rollouts to customer onboarding.

Having worked with premium brands like Audi, Lamborghini, and Bentley, he brings a sharp eye for quality, service, and user experience.

At JitsuJoin, Jürgen makes sure that every gym feels heard, supported, and fully equipped to succeed — because building a strong system is only half the job. The other half is making people love using it.

Start your journey to success

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do you Have questions?

Frequently asked questions

Is JitsuJoin just another gym software?

What makes JitsuJoin different from other systems?

Do I need to be “tech-savvy” to use JitsuJoin?

How long does setup take?

Can I customize belt and stripe rules?

Does it work for both students and coaches?

What if I already use something else?

Is there support if I get stuck?

How do I get started?

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