Backed by modern learning science
Ritsu is the AI tutor that trains you to deeply understand, practice, retain, and apply whatever you're learning. Drop in a textbook chapter, slide deck, YouTube video, or paper — and get coached step by step.
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Success formula
Most courses teach you what to learn — not how to learn it. Strong learners rely on a system of twelve study habits. Most students use only a few of them consistently.
| Activity | Most students | The top 1% | Ritsu |
|---|---|---|---|
| Reading / watching | Rereading, highlighting, rewatching | Recalling it without looking | Makes you recall as you learn |
| Understanding | Assuming you understood | Asking questions from every angle | Questions you from every angle |
| Study plan | No plan — whatever's due next | A structured path, broken into small units | Builds that path from your material |
| Problem sets | Reading the solution. Or asking AI. | Solving. Checking. Distilling. Applying. | Solve first. Feedback second. |
| Review | Cramming the night before | Review timed to the forgetting curve | Brings concepts back for spaced review |
| Mistakes | Reading the right answer, moving on | Finding the misconception behind it | Diagnoses the misconception, then makes you retry |
| Papers | Reading until you're lost | Rebuilding the argument, step by step | Makes you rebuild the argument |
| Progress | A feeling: "I think I know it" | A score on every concept | Scores mastery concept by concept |
| Practice | Practicing at the end, if there's time | Practicing from day one, at the weak spots | Targets practice at your weak spots |
| Structure | Notes, chapter by chapter | A concept map of the subject | Maps how every concept connects |
| Depth | Taking it at face value | Why. What if. What breaks it. | Keeps pushing with why and what-if |
| Tools | A textbook and a chatbot | A system: recall, spacing, mapping, testing | Runs the whole method in one workflow |
Solution
Put in anything you're studying, and Ritsu will coach you until it's yours.
Your chapter, your slides, your lecture recording. No formatting. No prompting.
The chapter comes back as an ordered path of small units — every item traced to the page it came from.
40+ commands turn learning science into interactive activities. They help you /test, /explain, /quiz, and /solve problems until you understand deeply.
Every concept gets a score. The map lights up as you master it — and what starts to fade comes back before you lose it.
Every course from here on
Build a better way to learn once, then carry it into every course — deeper understanding, stronger recall, sharper problem-solving, and a learning advantage that keeps growing.
Ritsu guides you to understand, recall, question, practice, and apply — the way strong learners study.
Don't stop at “I get it.” Explain it, connect it, solve with it, and use it until you truly own it.
Learn at a higher level — and let it show in what you understand, solve, and achieve.
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The method
Forty-two commands, each one a method from learning science, all running on your own chapter, slide deck or lecture recording. Nothing to set up. Nothing to make.
Your study plan
Top students break the material down before they start. Drop in a chapter, a slide deck, a lecture — Ritsu cuts it into small units and puts them in the right order, with your progress on top. There's nothing left to plan. You just follow the path.
Deep understanding
Top students don't stop at what. Ritsu pushes the same way they do: asking /why until you reach the reason, challenging you to /explain it in your own words, tying it to something you already know. You stop borrowing the idea. You own it.
Learning commands
Top students don't have one study move — they have a dozen, and know which one to use when. Ritsu names all of them: /quiz, /mindmap, /timeline, /diagram, /code, /crossword. A chatbot gives you a box to type in. This gives you a vocabulary.
Problem sets
Top students attempt it cold, then check. /solve holds the solution back until you've written your attempt — then grades it, shows you where it broke, and makes you redo it. Reading a solution feels like learning. It isn't.
When you're wrong
Top students don't just check the answer — they find the misunderstanding underneath it. Ritsu reads what you actually wrote, names the idea you have backwards, and points at the page it came from. Every error leaves you with something.
Spaced repetition
Top students revisit an idea just before it fades — that's the whole trick. Ritsu tracks the moment for you and brings the concept back as a question. No cards to make. Week two is still there in week twelve.
Knowledge map
Top students know, concept by concept, what's solid. Every answer you give updates one map of your subject, each concept carrying a score you earned — not a self-rating. What you've proven lights up; the dim ones get drilled next.
All in one
The top-1% system takes four apps and an evening per chapter to feed: cards to make, summaries to write, practice to hunt down. One upload gives you all of it, from your own material. Nothing to buy on top. Nothing to make.
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The science inside
Ritsu turns learning science into what you actually do: recall, explain, question, practice, connect, and revisit.
Henry Roediger III & Jeffrey Karpicke (2006)
Instead of showing you the answer, Ritsu asks you to pull it from memory. You produce what you know — and rereading alone never counts as mastery.
Nine situations, six modes
Nine situations, and a way to shape the plan for each. Whatever's in front of you this week, there's already a path built for it.
Most students read it twice and keep a fifth. You'll close it understanding every concept deeply — and still understanding it months from now.
Most students skim the slides the night before. You'll master what's behind each one, not just what's printed on it.
Most students rewatch at 1.5× and retain almost nothing. You'll come out of two hours with concepts you genuinely own, and keep.
Most students stall at page three and quietly give up. You'll understand the argument well enough to explain it, question it, and build on it.
Most students read the solution and feel like they understand. You'll understand the method deeply enough to solve every problem like it, not just this one.
Most students check their score and move on. You'll turn every mistake into a concept you've locked down for good.
Most students forget it by tomorrow. You'll understand it properly the first time, and still have it when you need it.
Most students end up with four folders and no thread. You'll have every piece in one place, and learn each one properly instead of half-learning all of them.
Most students re-read everything and run out of time. You'll spend all three days on the things you'd actually get wrong — deeply enough that they stay.
What changes
You leave behind
You get
You don't sit down and build a plan from scratch. Your study time goes into learning, not choosing.
Ritsu breaks what you're studying into an ordered path, so the next step is always clear.
Rereading, highlighting, and waiting for something to feel familiar are no longer the whole session.
Recall it. Explain it. Question it. Solve with it. Revisit it. Ritsu keeps the whole process in one workflow.
Seeing an idea before isn't the same as being able to explain it or use it.
Explain it from memory, connect it, solve with it, and apply it before it counts as mastered.
Being shown the right answer doesn't tell you why your reasoning went wrong.
Ritsu identifies the misconception behind the mistake, then guides you through a retry.
“I think I know it” doesn't tell you what's solid or where your next hour should go.
Every concept carries an earned mastery score, so strengths and gaps are clear at a glance.
Learning it for the test only to lose it afterward isn't mastery.
Ritsu brings concepts back over time, so what you've learned stays within reach.
Files here, flashcards there, a chatbot somewhere else — your learning system shouldn't live across five tabs.
Upload once, then plan, learn, practice, track, and review in Ritsu.
The hours spent preparing to study, before any studying happened, are gone. That was never studying anyway.
Ritsu builds the setup from your material, so more of your time goes into learning — not preparing to learn.
From students
Ritsu's knowledge map finally showed me what I don't know.
Mei L.
physics, year 1
I'd read a paper three times and still not be able to say what the contribution was. Ritsu walks me back through the argument one step at a time.
Yusuf K.
first-year PhD · molecular biology
Far better for learning than ChatGPT. Ritsu makes me do the thinking, so I actually get smarter.
Nikhil D.
data science master's
Ritsu comes at the same idea from six directions — /why, /analogy, /eli5 — until one of them lands. For me it's always the analogy.
Tomás R.
computer science, year 2
Ritsu won't call a concept mastered until I can actually use it.
Sofia M.
law, 1L
Ritsu tracks the forgetting curve for every concept and brings pharmacology back right as I start to lose it. I haven't crammed once this year.
Amara J.
nursing, year 2
Nine chapters of notes, and I'd never once noticed they were one subject. Ritsu maps how every concept connects to the others.
Kwame A.
biochemistry, year 2
Every question Ritsu asks cites the page it came from. Nine weeks out from Step 1, I have never once had to wonder whether it invented something.
Leila W.
MS2 · Step 1 prep
Ritsu built my deck in a minute. I haven't made a flashcard in four months.
Grace T.
MCAT retake
Anki, Quizlet, ChatGPT, and a tutor I couldn't afford. Ritsu replaced all four. If you're still running five tabs for one subject, switch.
Farah N.
CFA Level II
Ritsu doesn't just mark me wrong. It names the idea I had backwards, and shows me the page in my own textbook.
Jun P.
pre-med · organic chemistry
Ritsu's /solve won't show me the solution until I've written my attempt. I hated that for a week. Then my marks moved.
Devin O.
mechanical engineering, year 3
Ritsu makes me explain it back, then keeps asking. The gap fills in while I'm talking, not while I'm reading.
Oscar T.
mathematics, year 3
I used to be a memoriser. Ritsu made me explain things instead of reciting them. Same brain, completely different student.
Isaac B.
economics, year 3
Ritsu makes it harder on purpose: recall before reveal, solve before solution. Bjork called those desirable difficulties. I called them annoying, until I noticed I was still holding week two in week twelve.
Ben K.
chemical engineering, final year
The people at the top of my cohort were never smarter than me. They had a system — recall, explain, solve, space. Ritsu runs all four on my own lecture notes, and the gap closed in a term.
Ruth E.
mathematics, year 2
Your move
Two plans, one product — only the fuel differs. No setup fee, no contract, no cancellation fee. If it isn't working two weeks from now, you get every cent back.
For most students
$29/month
$29/mo · 14-day full refund · cancel anytime
Secure checkout · 14-day full refund
Exam season, grad school, heavy course loads
$59/month · billed monthly
$59/mo · 14-day full refund · cancel anytime
Secure checkout · 14-day full refund
A tool that turns any chapter into a finished flashcard deck in about one minute
You spent Sunday making cards. Which means you didn't study on Sunday.
Drop your chapter in and the deck is done — every card carrying two rotating thinking questions, so you learn the idea instead of memorising the question.
You get Sunday back, and the cards do three times the work.
Pre-made decks run $99–299 a year — built from someone else's syllabus.
A test that checks whether you have truly mastered your material — across all seven levels of Bloom's framework
Your revision stats say 91%. Your exam says otherwise. Both are right.
You aren't under-studying, you're studying at the wrong level — and nothing you own can see the difference. This scores all seven separately: remember, understand, apply, analyse, evaluate, create.
You stop studying more, and start studying where you're actually failing.
An expert-marked diagnostic assessment runs $200–400. Once.
A tutor that makes you teach the concept back, then keeps asking until you actually know it
You understand it right up until you have to say it out loud.
It asks you to explain the idea in your own words and keeps probing — around the fourth question you hit the exact sentence where your understanding ends.
You stop borrowing the idea. You start owning it.
The Feynman technique needs a second person to push back. That's where it always dies.
A tool that turns your own explanation into a map of what you understand — and what you only named
You can list nine concepts from the chapter. You can't say how any two of them connect.
Explain the topic in plain words and Ritsu assembles what you actually said into a map, where the ideas you built stand apart from the ones you only repeated.
You stop seeing a list of terms and start seeing the shape of the subject.
Mapping tools draw what you type. This one draws what you understand.
A tool that writes exam-grade questions about your own chapter, at any difficulty you ask for
When you quiz yourself, you only ask what you already know.
To write the question that exposes your gap, you'd have to already see the gap. This writes the ones that come at a concept sideways — the angle you never thought to check.
Run it on something you felt sure about. Better to be wrong now than in March.
A question bank costs $199–319 — for one exam, one subject.
Three tools that read your past papers and build new ones that look like the real exam
You did every problem in the book, and the real exam looked like neither.
Heatmap shows where the marks actually live — usually two chapters you've been skimming. Problem Set Creator builds fresh sets; Test Maker assembles a full paper with an answer key.
You never run out of practice, and the practice finally looks like the exam.
Nobody sells the heatmap. It's what a veteran exam tutor carries in their head at $80/hr.
Four tools that turn a pile of material into a dated study schedule you can start tonight
Six hundred pages, three weeks, and no idea where to start.
Five minutes tells you which study habit is costing you most. Split PDF cuts the six hundred pages into parts you can finish; Roadmap Builder turns them into twelve dated sessions.
You stop losing the first twenty minutes of every session. Across a term, that's a subject.
Four small tools aimed at the place where most study time actually dies.
A 7-day course that rebuilds how you learn — for anyone who decided they weren't smart enough
Somewhere along the way you decided you weren't smart enough. You were wrong.
You were running a method that doesn't work, at a level nobody taught you to check, with no way to see your own gaps — anyone doing that gets your results. Seven short lessons take it apart.
By the end of week one you stop believing you're the problem.
It isn't sold anywhere. It doesn't exist outside this page.
Pay $29 today and all 8 unlock straight away — free, on top of your plan. They stay yours every month you're subscribed, and there's nothing else to buy.
Today
You pay and everything unlocks. Upload your first chapter.
Days 1–14
Use all of it. Every command, every feature, your own material.
Day 14
The refund window closes. Not right for you? Message us before then and you get every cent back.
Any month after
Cancel in one click. You keep the free tier for good.
14-day full refund · cancel anytime
The guarantee
Step 1
Try everything
14 days — every command, every feature, your own material.
Step 2
Not working? One email
No questions, no exit survey, no hoops.
Step 3
Every cent back
Refunded in full. That's it.
The risk is on us. All you're putting up is two weeks of studying you were going to do anyway.
Applies to your first paid subscription.
FAQ
Short answers to real questions — and whatever's still uncertain, the 14-day refund covers it.
A file. That's the whole list. Nothing to install, nothing to configure — it runs in the browser. Drop in a chapter and you're working inside a minute.
The choice
Option one
You close this tab. The chapter is still there. You'll open it again on Sunday, read it twice, highlight a bit more, and hope it lands this time. Three weeks from now you're in the same seat, three chapters further behind, still not sure what you actually know. You already know how this one goes — it's why you read this far.
Option two
You pay $29, fully refundable for two weeks. Tonight you drop in the chapter you've been avoiding. Thirty seconds later there's a plan. Twenty minutes later you know exactly which three concepts you don't have. By the weekend you have them — and you do it again with the next chapter, and the one after that.
Same twelve weeks either way. The only thing you're choosing is what you'll have at the end of them.
14-day full refund · cancel anytime
