How it works
Here is what is under the hood, in plain terms: what it knows, how it teaches, where the real physicians come in, and what happens to your data. If you are the kind of student who reads the methods section first, this page is for you.
Nabu is built on vetted medical-education material, the board-relevant content you would actually trust, rather than whatever a general tool scraped off the web. That focus is part of why it scores 97.5% on Step 1 and 97.0% on Step 2 CK: it reasons on the exact questions you are facing, not a generalist guessing at medicine.
Most tools hand you the fact and move on. Nabu works the case the way a good attending teaches on rounds: it asks the next question, waits for you, and shows its reasoning so the why stays with you long after the answer would have faded. You can ask it to just give you the answer, but the default is to make you think, because that is what transfers to test day and to the wards.
The software can teach you at 2 a.m., but the part that gets you across the line is human. Every paid plan includes live, small-group office hours with a physician who scored 275+ on Step 2 CK, and Pro adds a monthly one-on-one with a resident physician. They are not a support desk: they teach, they catch what software misses, and they keep Nabu honest to what the exam and the wards actually demand. Meet them →
Tell Nabu your exam and your date, and it turns the syllabus into a weekly plan instead of an endless question bank. As you work, it notices the topics you tend to skip and the reasoning steps you stumble on, and points your time there. Study meets you where you are, so you spend your hours on the things that will move your score, not the things you already know.
When typing is too slow, you can reason out loud with it in real time, the way you would defend an answer to an attending. You can also share your screen, so a question you are stuck on, a UWorld explanation, or your own notes become the thing you work through together. It meets you in the material you are already studying, between shifts and on call.
Your study data is encrypted in transit and at rest, and we never sell your personal information. Your sessions exist to teach you. You can cancel anytime, and your study history remains yours.
The principles we build by
Anyone can show you the answer key. We would rather you leave a session understanding why, because that is the thing that survives contact with a new question. If a feature makes you think less, it does not ship.
Software is patient and always awake, and that matters. But it is not a substitute for a doctor who has sat where you are sitting. The weekly physician hours are not a bonus stapled on; they are part of how Nabu is meant to work.
We show you real benchmark numbers and tell you plainly where the human layer takes over. We would rather under-promise and earn your trust than oversell and lose it the first time it is wrong.
The goal is not to impress you with the machinery. The goal is a patient teacher that helps more students get through, with the technology quietly out of the way.
A note on honesty: Nabu is a strong, well-grounded tutor, but it is not infallible, and no tool should be your only source for a high-stakes exam. That is exactly why a real physician is in the loop every week. When something looks off, bring it to office hours. We would rather be corrected than be wrong.