Master React Through Real-World Challenges
Write React and TypeScript in a full Monaco editor with IntelliSense, autocomplete, and optional Vim mode.
Run your code against a real Node + Jest server — the same setup you’d face in production and technical interviews.
Last challenges
Try a Free React Challenge
Try a real challenge right in your browser. Write code with TypeScript and IntelliSense, run tests on a live Node + Jest server, and see your solution validated instantly — no setup required.
Simple, transparent pricing
Limited-time offer: enjoy reduced pricing while there are fewer than 100 challenges!
monthly plan
$9/month
Billed monthly
- 1Full access to 50+ challenges across all levels
- 2New challenges added every week
- 3Exclusive advanced topics: Redux, React 19, compound components
- 4View solutions and learn from working code
annual plan
$5/month
Billed $60yearly
save 44%!
- 1Full access to 50+ challenges across all levels
- 2New challenges added every week
- 3Exclusive advanced topics: Redux, React 19, compound components
- 4View solutions and learn from working code
quarterly plan
$7/month
Billed $21quarterly
save 22%!
- 1Full access to 50+ challenges across all levels
- 2New challenges added every week
- 3Exclusive advanced topics: Redux, React 19, compound components
- 4View solutions and learn from working code
FREE
- 1Start solving free coding challenges
- 2All challenges include TypeScript and pre-styled layouts
- 3Code editor with optional Vim mode
- 4Run and test your code instantly in the browser