Comparing the Best React Challenge Platforms in 2025: Free, Paid, and Feature-Rich

Platform	Price	Tests	React Challenges	Other Challenges	Technology	Editor	TS	Vim Mode	Run on Ctrl+S	Pre-Styled	Extras
profrontend.dev	⚠️ Partial	❌	47	❌	Sandpack	CodeMirror	❌	❌	❌	❌	❌
greatfrontend.com	⚠️ Partial	✅	141	Many	Sandpack	Monaco	✅	❌	❌	❌	Quizzes, katas, blog, other libraries
reactpractice.dev	⚠️ Partial	⚠️ Partial	20	❌	No	No	❌	❌	❌	❌	Blog, feedback
reacterry.com	✅ Free	✅	29	95	Sandpack	Monaco	❌	❌	❌	❌	JS challenges, quizzes, theory
reactchallenges.live	✅ Free	❌	6	❌	Sandbox	External	❌	❌	❌	❌	❌
hackerrank.com/domains/react	⚠️ Partial	✅	10	✅	CodePair	Monaco	❌	❌	❌	✅	Other libraries, languages, certifications
reactchallenges.com	⚠️ Partial	✅	35	❌	Sandpack	Monaco	✅	✅	✅	✅	❌
frontend-challenges.com	✅ Free	❌	29	81	Sandpack	Monaco	⚠️ Partial	❌	❌	❌	Theory, quizzes, katas
clientside.dev	⚠️ Partial	✅	20	37	Sandpack	CodeMirror	❌	❌	❌	❌	Quizzes, katas
acecodinglab.com	⚠️ Partial	✅	14	❌	Sandpack	CodeMirror	❌	❌	❌	❌	❌

Know another React challenge platform? Share it in the comments and I’ll update the table!