FAQ
What is free?
Every lesson, the lab on each lesson, your progress, and search.
Is there a Pro plan?
Pro is not on sale yet. The pricing page shows the planned plans. Nothing is charged today.
Do I get a certificate?
Not yet. Certificates are planned for Pro.
Do I need an account?
No. Progress is saved in this browser. Google sign-in is optional; cross-device sync comes later.