Smooth Dojo: Judo & BJJ
BJJ & Judo: Techniques, Belts
£2.99 · Designed for iPad. Not verified for macOS.
New: a BJJ belt guide from white to black, plus BJJ transitions and terminology. 959 judo and jiu-jitsu techniques. One-time purchase, no ads, no subscriptions.
Smooth Dojo is a pocket technique library and belt guide for judo and Brazilian jiu-jitsu. Find any technique in seconds, see what your next grading asks for, and keep your own notes on what you are drilling.
BJJ TECHNIQUE LIBRARY
• 844 Brazilian jiu-jitsu techniques, each with a demonstration video
• Gi and No-Gi filter
• 10 categories: takedowns, guard play, guard passing, sweeps, back takes, transitions, submissions, escapes, defense and counters, concepts and drills
• Armbar, triangle, kimura, rear naked choke, De La Riva, half guard, leg locks and much more
JUDO TECHNIQUE LIBRARY
• 115 judo techniques: 72 throws (nage-waza) and 43 ground techniques (ne-waza)
• Japanese name and English meaning for every technique
• Demonstration video for each one: uchi mata, seoi nage, osoto gari, kesa gatame…
BELT GUIDE
• BJJ: what to master at each belt, from white to black
• Judo: kyu grading requirements up to shodan, following the published Canadian, French and US programs
• Every syllabus screen links to the original public document, so you can check it yourself
MY DOJO: TRACK YOUR TRAINING
• Pick the techniques you want to learn
• Mark each one Not started, In progress or Done
• Write notes: grips, entries, what your coach corrected
TERMINOLOGY & TRANSITIONS
• 227 searchable terms: judo Japanese vocabulary and a BJJ dictionary
• Judo transitions from standing to the ground, BJJ transitions and control positions
BUILT TO STAY OUT OF YOUR WAY
• One-time purchase. No subscriptions, no in-app purchases, no ads
• No account, no login, no tracking
• All text works offline; videos play when you are online
• Light and dark theme
For students preparing for a grading, coaches who need a quick mat-side reference, and anyone who trains judo, BJJ or both.
Smooth Dojo is an independent educational reference. It is not affiliated with or endorsed by any judo or jiu-jitsu federation. Demonstration videos are public YouTube clips owned by their creators.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
• BJJ belt guide: the skills to work on at each belt, white to black
• BJJ transitions and BJJ terminology, side by side with judo
• Switch between judo and BJJ right inside the belt guide
• Fixed typing in technique notes
• Fixed launch on iOS 27
The developer, Arkt Labs Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Arkt Labs Inc.
- Size
- 29.5 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Copyright
- © Arkt Labs Inc.

