Best AtCoder Alternatives in 2026
Updated
20 apps from coding challenge platforms ranked against AtCoder on the same published basis.
- 1AtCoder vs CodeSignal
- 2AtCoder vs DMOJ
- 3AtCoder vs CSSBattle
- 4AtCoder vs Edabit
- 5AtCoder vs Eolymp
- 6AtCoder vs HackerEarth Assessments
- 8AtCoder vs beecrowd
- 9AtCoder vs Codeforces
- 10AtCoder vs CodingBat
- 11AtCoder vs Yandex Contest
- 12AtCoder vs GeeksforGeeks Practice
- 13AtCoder vs HackerRank
- 14AtCoder vs AlgoExpert
- 15AtCoder vs NextJudge
- 16AtCoder vs Coderbyte
- 17AtCoder vs TestDome
- 18AtCoder vs LeetCode
- 19AtCoder vs Qualified
- 20AtCoder vs Codility
- 21AtCoder vs SQLZoo
AtCoder alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | CodeSignal | 7.1 | Free plan | $24.99/mo | Android, API, iOS, Web |
| 2 | DMOJ | 7.0 | Free plan | Free | API, Linux, self-hosted, Web, Windows |
| 3 | CSSBattle | 6.9 | Free plan | $4.90/mo | Web |
| 4 | Edabit | 6.9 | Free plan | Free | Web |
| 5 | Eolymp | 6.9 | Free plan | Free | API, Web |
| 6 | HackerEarth Assessments | 6.9 | Free plan | Free | Linux, Mac, Web, Windows |
| 8 | beecrowd | 6.8 | Free plan | Free | API, Web |
| 9 | Codeforces | 6.8 | Free plan | Free | API, Web |
| 10 | CodingBat | 6.8 | Free plan | Free | Web |
| 11 | Yandex Contest | 6.8 | Free plan | Free | API, Web |
| 12 | GeeksforGeeks Practice | 6.7 | No | — | Android, iOS, Web |
| 13 | HackerRank | 6.5 | No | $165/mo | API, Mac, Web, Windows |
| 14 | AlgoExpert | 6.2 | No | $9.92/mo | Web |
| 15 | NextJudge | 6.1 | No | — | API, self-hosted, Web |
| 16 | Coderbyte | 6.0 | No | $99/mo | API, Browser, Web |
| 17 | TestDome | 6.0 | No | — | API, Web |
| 18 | LeetCode | 5.9 | No | — | Android, iOS, Web |
| 19 | Qualified | 5.9 | No | — | API, Web |
| 20 | Codility | 5.6 | No | — | Web |
| 21 | SQLZoo | 5.6 | No | — | Web |
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Questions about AtCoder alternatives
What is the best alternative to AtCoder?
CodeSignal, number 1 in coding challenge platforms with a score of 7.1 out of 10. The others here: DMOJ, CSSBattle, Edabit and 16 more.
What is the best free alternative to AtCoder?
CodeSignal is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.