Onyx

Any book. Mastered in half the time.

Upload any book. Learn it in 20 minutes a day.

4.8 from 3346 student reviews
Nielson, Onyx student

“Onyx is the best AI for studying I have used by far!”

Nielson · Postgrad Psychology

+22.5%

average mark improvement

48 hrs

to see better results

5 min

from scribbles to study notes

50%

study time saved

"I'll read it someday"

Book in. Skill out.

Here's how any book becomes a skill on Onyx.

  1. Minute 1

    Drop in any book

    Textbook, PDF or ebook. No planning, no deciding where to start.

  2. Minute 5

    Your learning path is built

    The whole book, split into short lessons in the right order.

  3. Day 1

    First lesson done

    20 minutes. A quick quiz at the end proves it stuck.

  4. Day 7

    First chapters mastered

    Short daily lessons, with reviews timed so you don't forget.

  5. Day 14

    Skill unlocked

    Done in half the time. You don't just finish the book, you can use it.

50% study time saved

Same material, half the hours.

Sound like you?

Big books stall most people. It's not you, it's the format.

You bought the book, read chapter one, and it has been on your shelf ever since.

You're changing careers and need to get up to speed, fast.

You have a professional exam coming and a 600-page textbook to get through.

You only have 20 minutes a day, and don't want to waste them re-reading.

Onyx gives you a clear path through any book, one small win at a time.

INSIDE ONYX

From confused to exam-ready

Watch Onyx turn your notes into marks.

1 of 28 features

Upload anythingNotes, slides or a whole textbook. Onyx reads every page for you.

From a PDF to a learning path

Real screens from Onyx.

Your roadmap, with study tools for every section.

Tap Teach Me and Onyx explains it out loud.

Tricky ideas explained like you’re 5.

Talk to your AI tutor, live.

Test coming up? Flip on Cram Mode.

A rapid diagnostic, calibrated to your past papers.

Exam-style questions that find your weak spots.

Your critical gaps, first in line.

Talk through your approach, then get an understanding score.

Flint keeps you company while you study.

All your subjects, organised in one place.

Upload your notes. Your learning path builds itself.

Clear modules, one step at a time.

Your whole course, mapped out. Nothing gets missed.

Study guides that explain it simply, with a tutor on the side.

Every section comes with its own study tools.

Flashcards, quizzes, mock exams, slides and more.

Make as many study tools as you need.

Interactive slides with knowledge checks built in.

Concept maps that unlock as you prove you get it.

Timed mock exams, just like the real thing.

See exactly where you went wrong, and why.

Meet Flint, the study buddy who keeps you coming back.

Tap to enlarge · Swipe for more →

Why Onyx

Studying isn't an add-on in Onyx. It's the whole point.

You've probably tried ChatGPT, Claude, Gemini or NotebookLM. They're great at answering questions. Onyx is built to get you through your exams, in less time.

  • Boost your marks
  • Save hours of study time
  • Feel less stressed
For studyingOnyxChatGPT & coNotebook LM
Built from your own notes & slides
Step-by-step study roadmap for your course
Shows what you'd get wrong before the test
Mock exams in your past-paper style
Tracks what you've mastered & what to review
Teaches you, not just gives the answer
Real human tutors when you're stuck

Pick your plan

Unlimited books, unlimited help. Cancel anytime.

R499R399/sem

Access until 30 June 2027

Unlimited, one payment · access until 30 June 2027.

No subscription — single once-off payment. No auto-renewal.

  • AI Tutor trained on your notes
  • Unlimited AI generations
  • Claude, Gemini, OpenAI & other top models, all for 1 simple price
  • Every study tool included
  • New tools & features when released
  • 7-day money-back guarantee

That thing you've always wanted to learn? Start today.

Try it, and if it doesn't help you learn, you get your money back.

7-day money-back guarantee

Frequently asked questions

Everything you need to know about Onyx AI.