What's in the app
Every feature currently available, what it does, and whether it needs an account or Pro. This page is generated from the app's feature list, so it stays current as features ship.
See what's newBelt-Grade Quiz
FreeMultiple-choice theory questions drawn from the syllabus for the grade you pick.
- Choose any grade from 10th Kup up to black belt and answer questions scoped to it.
- Each answer is marked immediately, with the correct option and an explanation.
- Rounds are scored as a percentage and timed, then saved to your history once you are signed in.
- Question of the Day gives everyone the same seeded question each day.
With Pro
- “Explain this answer” — a personalised AI breakdown of anything you got wrong.

Practice & Smart Review
FreeUntimed, unscored drilling — either shuffled questions or a spaced-repetition queue.
- Random mode serves shuffled questions filtered to your belt, with no score attached.
- Nothing you do here touches your quiz history or your leaderboard standing.
With Pro
- Smart Review — a spaced-repetition queue that resurfaces cards as you are about to forget them.

Match Drill
FreePair Korean terms with their English meanings against the clock.
- Korean is shown in Hangul with romanisation alongside it.
- Filter by category — kicks, blocks, stances, vital spots, attacking tools and more.

Survival Mode
FreeSudden-death theory — keep answering until your first wrong answer.
- Questions keep coming until you miss one; your score is the length of the chain.
- Twenty seconds a question, and running out of time counts as a miss.
- Each belt grade has its own board, all-time and weekly.
- Runs are scored on the server from the answers you gave, so a streak can't be self-reported.
- Nothing here touches your quiz history or your percentage standing.

Theory Library
FreeThe full ITF reference set, browsable by topic and by grade.
- Patterns — all 24 tuls, each with meaning, move count and history.
- The five Tenets, plus Stances, Blocking, Kicks and Offense sections.
- Glossary of Korean terminology, Vital Spots and the Theory of Power.

Pattern Pages & Printable Sheets
FreeA dedicated page per tul, exportable as a PDF study sheet.
- Move-by-move walkthrough naming the stance and technique at each step.
- Meaning, movement count, ready posture and diagram at a glance, plus practice notes.
- The 9 colour-belt tuls are free to read in full.
With Pro
- The 15 Dan-grade tuls, from Kwang-Gae through to Tong-Il.
- Download any pattern as a printable PDF study sheet, plus grading packs by grade.

Progress Dashboard
Free · sign inEverything you have done so far, in one place.
- Streak tracker, belt progress and headline stats across your attempts.
- Performance chart over time, plus your full quiz history.
- Daily Spotlight picks a colour-belt pattern to revisit.
- Shows only your own results — every query is scoped to your account.
With Pro
- Full-year quiz heatmap.
- Weak-area drilldown naming the topics costing you marks.
- Personalised practice picks based on what you keep missing.
Leaderboard
Free · sign inBest scores per belt grade across every student on the app.
- One tab per belt grade — grades with no questions in the syllabus aren't listed.
- Ranked by best percentage, with the fastest time breaking ties.
- Each row shows the student's club next to their name, when they've set one on their Profile.
- Your own row is badged “You” so you can find yourself.
- Switch between the all-time board and a weekly one that resets every Monday.
- A second board ranks Survival Mode runs by longest answer chain.
- Served pre-aggregated — other students' individual attempts stay private.
- Internal and test accounts are excluded from the standings.
AI Tutor
ProA chat tutor that answers theory questions and cites where the answer came from.
- Open it from the floating button on any page.
- Answers link back to the Library page they were drawn from.
- Pro only — 200 messages a month, resetting on the 1st.
Grading Plan
ProA dated run-up to your next grading, built from your rank and target date.
- Tasks are generated for your next grade and tracked with XP, streaks and badges.
- Set your rank and grading date on your Profile to switch it on.
Conditioning & Mobility
ProRank-tuned stretching, strength, cardio and recovery suggestions.
- A suggested weekly mix that sits alongside your grading plan.
- General guidance only — explicitly not medical advice.
Pro Plans
FreeMonthly, annual, or a one-off Grading Pass that expires on its own.
- Pro Monthly and Pro Annual are subscriptions you can cancel at any time.
- The Grading Pass is a single payment giving 90 days of Pro, with nothing to renew.
- Checkout and billing are handled by Stripe.

Ready to start?
The quiz, the library and the drills are free. Pro adds the study tooling.