Each word comes back just before it would be forgotten.
No flashcards. No coin-grinding. The engine watches your child's recall and plants each word in their week at exactly the right moment — then leaves them alone the rest of the time.
Curve adapted from Ebbinghaus, H. (1885). Über das Gedächtnis: Untersuchungen zur experimentellen Psychologie. Leipzig: Duncker & Humblot. Translated by Ruger & Bussenius (1913) as Memory: A Contribution to Experimental Psychology, Teachers College, Columbia University.
We didn't invent how children learn words.
We just took the research seriously.
Vocabulous! is in active correspondence with the researchers whose work we build on. Here's what they figured out — and what we did about it.
Read the research →What we do behind the scenes so you don't have to think about it.
Every tutor is interviewed, trained on Vocabulous! pedagogy, observed in early sessions, and background-checked.
Your child's data is never sold and never used to train external models. We follow strict data-protection standards and are independently audited.
Personal data is encrypted with hybrid post-quantum cryptography to defeat the "harvest now, decrypt later" problem.
Tablets, laptops, Chromebooks — anything with a modern browser. Built to feel right on the device your child already uses.