Prismwell
Our first product

Yumio

GCSE revision with a tutor that takes the board. Yumio works through questions with you, step by step, and marks your answers as you go.

The Yumio website
How it works

Learn it. Try it. Get it marked.

  1. Yumio teachesPick a topic and Yumio works through a question on a live whiteboard, explaining each step in plain English.
  2. You answerThen it's your turn. You write your working and Yumio watches, ready to help if you get stuck.
  3. It marks every stepNot just the final answer. You see exactly where marks are won and lost, the way an examiner would.
  4. It remembersYumio keeps track of your gaps and mistakes, and brings them back at the right time so they stick.
Inside the app

Everything you need to revise, in one place.

01

Teach me

Yumio works through GCSE questions with you on a whiteboard and marks your answers step by step.

02

Paper Together

Sit a paper in a room with your friends. Work on a shared whiteboard, type your answers and press Check together.

03

Lessons

Short lessons that explain the idea first, so practice actually makes sense.

04

Practice and question bank

Exam-style questions by topic, with full working and marks so you know what examiners want.

05

Flashcards and recall

Quick-fire recall that brings back what you are about to forget, before you forget it.

06

Your gaps and mistakes

Yumio notices what keeps tripping you up and turns it into a plan for what to do next.

07

Revision plan

A plan that fits around your exams and your week, and adjusts as you go.

08

Games that teach

Rapid fire, Spot the slip, Teach back and Ranked: short, competitive ways to sharpen up.

09

Worksheets

Printable practice for when you want pen and paper.

Subjects

Built for GCSE.

Yumio covers the subjects that matter most to the most students, and it's made to be used all year, not just in exam season.

GCSE MathsCombined ScienceEnglishExam-style papersStep-by-step markingFree to start
Meet Yum

Your revision buddy.

Yum is the face of Yumio. Students dress Yum up and unlock new looks as they revise. Have a go: pick a colour and a hat, or let Yum surprise you.

Colour

Style

Start revising with Yumio. It's free to start.