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AI study buddy · by ClassNotes

Meet Kobi — your AI study tutor.

Kobi is ClassNotes’ AI study buddy for Nigerian students. Ask it to explain a topic, help with homework, or coach you through WAEC, JAMB and NECO — all aligned to the Primary, JSS and SSS syllabus, in plain language.

Sign in to start free

Free to start — 5 questions a day. No course purchase needed.

What Kobi does

A study partner that never gets tired of your questions.

Explains any topic

Ask Kobi to break a tricky topic into plain language with worked examples — until it finally clicks.

Helps with homework

Stuck on a question? Kobi walks you through the steps and points you to the matching ClassNotes lesson.

Coaches exam prep

Built for WAEC, JAMB and NECO — practise past questions, get summaries, and plan your revision.

Speaks your language

Set Kobi’s reply language to get explanations in English or Nigerian languages, however suits you.

How it works

Three taps to an answer.

  1. 01

    Tap Ask Kobi

    Open the Ask Kobi button on any page, or from your dashboard.

  2. 02

    Ask anything

    Type a topic, a homework question, or “explain this like I’m 12”.

  3. 03

    Learn + revise

    Get a clear answer plus links to the lessons that go deeper.

Grounded in your syllabus

Kobi is tuned to the Nigerian curriculum and points you to ClassNotes’ curriculum-aligned lessons. It’s a study aid — always double-check important answers with your teacher or textbook.

Works on your phone

Chat in any browser or inside the ClassNotes app — no install. Start free with 5 questions a day, or upgrade to Kobi Unlimited for unlimited daily chats.

Kobi FAQ

Common questions.

What is Kobi AI?

Kobi is ClassNotes' AI study buddy — a friendly chat tutor that explains topics in plain language, helps with homework, and coaches you through WAEC, JAMB and NECO exam prep, all built around the Nigerian curriculum.

Is Kobi free? What do I get?

Yes. Every signed-in student gets a free daily allowance of Kobi messages (5 a day). Upgrade to Kobi Unlimited for unlimited daily chats. You don't need to buy a course to start chatting.

How do I start chatting with Kobi?

Tap the Ask Kobi button at the bottom of any page, or open Ask Kobi from your dashboard. Type your question and Kobi replies instantly. You just need a free ClassNotes account.

Which subjects and exams can Kobi help with?

Kobi covers the Primary, JSS and SSS syllabus and is tuned for WAEC, JAMB and NECO. Ask it to explain a topic, break down a past question, summarise a lesson, or build a study plan.

Can Kobi reply in Nigerian languages?

Yes. You can set Kobi's reply language, so it can answer in English as well as Nigerian languages — making explanations feel natural and easier to follow.

Can I trust Kobi's answers?

Kobi is a study aid, not a replacement for your teacher. It's grounded in ClassNotes' curriculum-aligned lessons and points you to the relevant notes, but always double-check important answers against your textbook or teacher.

Does Kobi work on my phone?

Yes. Kobi works in any browser and inside the ClassNotes app (PWA) on your phone — no install needed. You do need an internet connection to chat, since replies are generated live.

More questions? See all FAQs.

Ready when you are

Ask Kobi your first question — it’s free.

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