Pricing
Learning should be accessible
Every course, lesson and exercise is free forever. Pro unlocks more AI and power features — and funds the open-source project.
Free
Everything you need to learn.
$0
- All courses & lessons
- Interactive code exercises
- Quizzes & progress tracking
- Notes synced to your account
- AI tutor — 20 questions/day
Pro
For serious learners.
$4.20 /mo
billed yearly
- Everything in Free
- AI tutor — 200 questions/day
- AI-generated practice quizzes
- Downloadable certificates
- Priority access to new tracks
Teams & Schools
For classrooms and bootcamps.
Custom
- Everything in Pro
- Cohort progress dashboard
- Custom learning paths
- SSO & invoicing
Questions
Will the courses stay free?+
Yes. All lessons, exercises and quizzes are free and open source (MIT). Pro only adds extra AI capacity and convenience features.
Do I need an account?+
No. You can learn as a guest — progress is stored on your device. An account syncs it across devices and enables the AI tutor.
Is Arabic fully supported?+
Every lesson, quiz and the whole interface are available in Arabic with full right-to-left layout.