Best Coding Challenge Platforms in 2026
Updated
30 coding challenge platforms ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
30ranked
0free plans on this page
$9.92/molowest paid tier
4 Oct 2026last checked
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 26 Qualified No phone app RecognisedPhone appDocumentedFree plan 5.4
- 27 AlgoExpert No phone app RecognisedPhone appDocumentedFree plan 5.4$9.92/mo Primary use: interviewsLanguages supported: JavaScript, TypeScript, Python, Swift, Kotlin, C++, Java, C#, GoProblem library size: 160 problems
- 28 Codility No phone app RecognisedPhone appDocumentedFree plan 5.3
- 29 CodeChef IDE No phone app RecognisedPhone appDocumentedFree plan 4.8
- 30 Topcoder No phone app RecognisedPhone appDocumentedFree plan 4.7
