If you can't explain it simply, you don't understand it. Pick a topic, explain the concept, and let AI test whether you truly get it.
Named after physicist Richard Feynman, it's a learning method based on one principle: explain a concept in simple terms to find out what you actually understand — and what you don't. Research shows it significantly improves retention compared to passive study.
Choose from 64 templates across science, business, humanities, and tech
Answer questions that test whether you can explain concepts simply
AI identifies what you missed and scores your understanding
| Prismer Feynman | ChatGPT / Quizlet | |
|---|---|---|
| Tests your explanation ability | — | |
| Structured learning path | — | |
| Score tracking | — | |
| No prompt engineering needed | — | |
| Ready-made topic templates | 64 topics | — |
| Try before signing up | 3 questions free | Requires account |
Pick a topic. Explain the concept. Find out if you truly understand it.
Start a Feynman Quiz — Free