Feynman Method · AI-powered

If you can't explain it to a goose… …you don't really know it.

Professor Goose is your AI study companion. Explain concepts out loud — the goose listens, asks hard questions, and exposes exactly what you don't understand yet.

Freeto start, no card needed
text chat, always free
Anysubject, any level

How it works

Teaching is the best way
to learn.

The Feynman Technique is simple: if you can explain something clearly, you understand it. Professor Goose makes sure you actually can.

1

Pick a concept

Type or say what you want to study — a physics law, a historical event, a coding pattern. Anything counts.

2

Explain it out loud

Talk to the goose like you're the professor. No notes, no peeking. Just you and what you think you know.

3

Get pushed on the gaps

The goose asks follow-up questions that expose exactly where your understanding breaks down. That's where real learning happens.

"If you can't explain it simply, you don't understand it well enough."

— Richard Feynman, Nobel Laureate in Physics

Features

A study partner that
doesn't let you off the hook.

Built around the only study method that's actually been proven to work.

Voice-first learning

Talk, don't type. Speaking forces your brain to retrieve and articulate — the exact process that builds long-term memory and exam-day recall.

Socratic questioning

The goose doesn't just listen — it probes. "But why does that happen?" "What would happen if…?" It finds the holes in your understanding.

Any subject, any level

Quantum mechanics or the French Revolution, calculus or corporate finance — the goose knows it all and expects you to explain it back.

Session history

Your conversations are saved. Pick up exactly where you left off, or revisit a topic you struggled to explain last time.

Unlimited text chat

Prefer typing? The goose is always available over text — no voice credits, no limits. Great for reviewing or studying late at night.

Actually kind of fun

The goose has a real voice and personality. It pushes back, laughs when you say something absurd, gets confused when you skip steps. Learning shouldn't be miserable.

Pricing

Start free. Go deeper.

No credit card required. The goose is patient — try it first.

Free

$0

forever

  • Daily voice sessions with the goose
  • Unlimited text chat, always
  • Any subject or topic
  • Session history across devices
Get started free

FAQ

Questions the goose
gets asked a lot.

Developed by Nobel-winning physicist Richard Feynman, the technique has four steps: choose a concept, explain it as if teaching someone with no background, identify gaps, and simplify. Professor Goose automates steps 3 and 4 — it finds the gaps for you and asks you to fill them.
Yes. The Feynman method is subject-agnostic — it works for anything you need to understand deeply, not just memorise. Students have used Professor Goose for physics, history, law, programming, economics, biology, medicine and more.
Rubber duck debugging is a real software engineering technique — explaining your problem out loud (even to an inanimate object) often reveals the solution. A goose is a duck with more attitude. It asks follow-up questions. It judges you a little. It works better.
The free plan includes a daily allowance of voice sessions plus unlimited text chat forever. Most students find the free tier is enough for a solid daily study habit.
Your sessions are private to your account. We don't sell or share your study data. Voice is processed to generate the goose's responses and not retained — we don't store audio recordings.
ChatGPT answers your questions. Professor Goose refuses to. The goose only asks questions back — it never teaches, never corrects, never gives answers. That constraint is what forces the active recall that actually makes knowledge stick. It's a fundamentally different mode of engagement.