Pricing
One subscription. Start free with the first project of every discipline, then go Pro to unlock the whole catalogue.
Free, $0
A free account unlocks the first project of every one of the 33 disciplines, so you can try each field for real. No card required.
Pro, $12 per month or $100 per year
Every project of every discipline, all 9,130 levels, the full timed playground, and your progress saved across devices. The yearly plan is fifteen months of access for the price of twelve. Cancel anytime.
Professional certifications
Optional credentials, sold separately per discipline from $49 per exam, not part of the subscription.
Frequently asked questions
What is actually free?
A free account unlocks the first project of every discipline, all 33 of them, so you can try each field for real before deciding.
Do I need a credit card to start?
No. Create a free account and start writing code. You only add a card when you decide to go Pro.
What does Pro include?
Every project of every discipline, all 9,130 levels, the full timed playground, and your progress saved across devices.
How much does Pro cost?
Pro is $12 per month, or $100 per year, which is fifteen months of access for the price of twelve. Cancel anytime.
Are certifications included in Pro?
No. Professional certifications are a separate purchase, priced per discipline from $49 per exam. They are optional credentials you sit when you are ready.
Can I cancel anytime?
Yes. Cancel whenever you like and you keep access until the end of the period you paid for.
Browse the disciplines or start with the first project, free.