Learn it properly. Remember it for good.
Interactive STEM lessons built on study techniques that actually work, with an AI tutor that never loses patience.
Five things you get on day one
Everything below is shipped and running. Two of the five are playable right here on this page.
Study smarter, not harder.
Evidence-based methods built into every lesson, not bolted on afterwards.
- Active recall: you retrieve the answer instead of re-reading it.
- Spaced repetition: reviews land right before you would forget.
- Elaboration: new ideas get tied to what you already know.
- Feynman technique: explain it back and the gaps show themselves.
- Interleaving: topics mix, so you learn to choose the method.
Study Smarter, Not Harder
Every lesson is built around proven cognitive science, so you learn faster and remember longer.
Tap a card to flip through the deck
Based on Dunlosky et al. (2013) and Roediger & Butler (2011)
Step 1: Learn the Concept
Read and understand the concept below before moving on.
Photosynthesis
The process by which green plants convert sunlight, water, and carbon dioxide into glucose and oxygen.
This is the actual player, not a picture of it
The same component a signed-in student runs, on a short physics deck. Answer the questions and it grades and scores them for real.
Then you do it twice more
Every lesson runs three mastery cycles, and the questions get harder each time: recognise it, then produce it, then explain it from memory. Progress is derived from what you answered, so there is nothing to tick off.
Fourteen tutors. One subscription.
Ada, Newton and Euler are answering questions today. The rest of the faculty is on the way.
Live now
Soon
One price. Everything in it.
Education should not be a luxury good. There are no per-course paywalls here and no upsell for the feature you actually needed. One subscription opens every subject, every tutor and every technique.
- Affordable on purposeFourteen AI tutors, every subject, every technique and Garden World for less than an hour with a private tutor.
- Built to be efficientActive recall, spaced repetition and the Feynman method are in the lesson design, so your study hour does more work.
- Nothing is gatedMaths, physics, programming, writing, art. Every subject we ship is included the day you sign up.
Choose your plan
Start on the free trial. Change or cancel whenever you like.
- All 14 AI tutors
- Every subject and study technique
- Interactive lessons and simulations
- Terrace notes and spaced review
- Garden World
- Offline access
- Everything in Core
- Up to 3 children
- Parent accounts
- Student progress tracking
- Parent dashboards
- Everything in Core
- Extended AI usage
- Music pack
- Language pack
- All future packs
Free 7-day trial. No card required.
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