chalkalong

Stuck on a math problem?

Snap a photo. A tutor walks you through it on a whiteboard, out loud, and you can interrupt any time to ask why.

Watch a demo lesson, no sign-up

No homework handy? Try one:

Your own lessons need a Google sign-in.

How it works

  1. 1

    Snap it

    Take a photo, upload a screenshot or PDF, paste it in, or type it on the math keyboard.

  2. 2

    Watch it teach

    It names the method in one sentence, then talks you through it while it writes on a whiteboard.

  3. 3

    Interrupt and ask

    Talk or type whenever you’re lost, or draw on the board and ask about any step.

See a real lesson

A calculus problem on paper, snapped with a phone. The tutor finds the tangent line out loud, stops to ask the student what comes next, then graphs the answer. Only the pauses are cut.

Try the interactive demo →

Ask it questions along the way. No account needed.

Free to try

Beta perks until Oct 31 or the first 200 sign-ups: 3 free lessons, with 10 voice minutes and 100 typed messages, yours to keep. After that, every account gets 1 free lesson, with 3 voice minutes and 15 typed messages.

The demo is always free. Pro is coming soon. Join the waitlist to hear first.

See pricing →
Which plan interests you?

We’ll only use your email to tell you when Pro launches.

Questions

Is it free?

Yes, to start. Beta members (the first 200 accounts, signed up by Oct 31) keep 3 free lessons, with 10 voice minutes and 100 typed messages, for good. After that, every account gets 1 free lesson, with 3 voice minutes and 15 typed messages, once. The demo is always free, and Pro is coming soon; see pricing.

Who is it for?

Students 13 and older (16 and older in the EU, EEA and UK unless a parent agrees). Middle school, high school and early university math all work.

Do you store my voice or my photos?

No. Your voice and your homework photo are processed in real time and then thrown away. We keep the board, the lesson’s text and the problem as text so you can pick up where you left off.

What subjects does it cover?

Math: arithmetic, algebra, geometry, trigonometry, calculus and more. Other subjects may come later.

What if it gets something wrong?

AI can make mistakes, so check its work like you would a friend’s. If you spot an error, hit “Report a mistake” in the lesson or email us, and we’ll look at it.

Does it work on my phone?

Yes. On a laptop or tablet the board is bigger and there’s more room to draw, so use one if it’s handy.