Simple pricing

Free previews, Starter from $9/mo. Pro with AI tutor & voice — coming soon.

Free

Read previews and one full course — no card required.

Free
Browse courses
  • System Design Primer (full course)
  • First 2 lessons of every other course
  • npx learnaos CLI for your own repos
  • Self-host converted HTML anywhere
Most popular

Starter

Full access to every course in the library.

$9/mo
Start Starter — $9/mo
  • All lessons in every course
  • Book-style reader with sidebar navigation
  • Pick up where you left off — progress syncs across devices
  • New courses as we add them
  • Notebook & code file rendering
  • Cancel anytime
Coming soon

Pro

Everything in Starter, plus AI-powered learning tools. Coming soon.

Coming soon
  • Everything in Starter
  • Voice narration — listen to any lesson
  • Read courses in multiple languages
  • AI course tutor (ask questions anytime)
  • Quizzes & knowledge checks per lesson

Compare features

Swipe horizontally to compare plans

FeatureFreeStarterPro (coming soon)
System Design Primer courseFull accessFull access
Other courses2 lessons eachAll lessons
CLI tool
Hosted reader
Cross-device progress sync
Voice narrationComing soon
Multi-language readingComing soon
AI course tutorComing soon
Quizzes & knowledge checksComing soon
SupportCommunityEmail

Frequently asked questions