Chalk writes on the board and talks you through it — like a real tutor at a chalkboard.
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Send feedback
Bug? Idea? Something confusing? Tell us. Goes straight to the team.
What are you studying?
Pick the math you're working on right now. We'll track your progress per course and use this to surface the right lessons.
Enter your beta code
Beta codes unlock a free 20-message trial with the full feature set —
board, voice tutor, lessons, and progress tracking. Don't have one?
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Choose your plan
What counts as a message?
One message is one question or reply you send the tutor — typed, spoken, or scanned. The tutor's whole answer, drawings and all, is included. Failed sends and retries are free.
Chalk Lite, Plus, and Pro are monthly auto-renewable subscriptions. Payment is charged to your Apple Account (or card on the web) at confirmation of purchase. Subscriptions renew automatically at the listed monthly price unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings (or from this page on the web). Unused messages don't roll over.