Every lesson, lab and video, on either plan.
You have lifetime access.
Every lesson, board, video, lab and paper is open to you, including everything added later.
You are on the yearly plan.
Every lesson, board, video, lab and paper is open to you. Lifetime below is the one upgrade: pay once, and nothing renews.
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Launch offer 50% off your first payment on either plan LAUNCH50 ends 1 Nov, 18:30 UTC
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- Free
- Lesson 1 of every track, with its boards and videos, plus a few more lessons, labs and papers open to everyone. No account needed.
- Free account
- Lessons 2 and 3 of every track, 33 more lessons, with progress and review cards synced on every device.
- Plan
- All 617 lessons, 92 labs, 219 videos and 551 boards, every paper discussion and the full review decks.
Questions
What is free?
The first lesson of every track, with its boards and videos, plus a few lessons, labs and papers picked for the home page. No account needed. A free account opens lessons 2 and 3 of every track, 33 more lessons.
What do I get with a plan?
All 617 lessons, every board, video, lab and paper, and the full review decks, synced across your devices.
Can I get a refund?
Yes, within 14 days, on either plan. Refund policy.
What if chalk ever shuts down?
You get at least 60 days of notice by email, and the unused part of what you paid comes back: the rest of a yearly plan, or for lifetime, the unused part of the 2 years after you bought it. Refund policy.
Do I need a background in computer science?
No. Every track starts from the basics and builds up, and each idea is told as a story before it gets its proper name.
Can I read a whole lesson before paying?
Yes. Lesson one of every track is free with no account, and lessons 2 and 3 open with a free Google sign-in. Read those before you decide.
Is it written by AI?
AI tools helped build chalk. Everything is reviewed before it goes up, and the terms page says how. Terms.
Does it work on a phone?
Yes. Lessons, boards and videos are laid out for a phone, and the labs run in the browser with nothing to install.