AlgoExpert vs AtCoder
| AlgoExpert | AtCoder | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | $9.92/mo | Free |
| Open source | No | No |
| Platforms | Web | Web |
| Primary use | interviews | contests |
| Languages supported | JavaScript, TypeScript, Python, Swift, Kotlin, C++, Java, C#, Go | C, C++, C#, Java, Python, Rust, Ruby, Go, Kotlin, Swift, JavaScript, TypeScript, PHP, Perl, Lua, Scala, Haskell, OCaml, Nim, Pascal, R, SQL, Prolog, PowerShell, Bash, Fortran, COBOL, Julia, Dart, Elixir, Erlang, F#, D, Crystal, Clojure, Common Lisp, Scheme, Visual Basic, Lean, LLVM IR |
| Problem library size | 160 problems | 5,000 problems |
| Solution explanations | Yes | Yes |
| Free plan | — | Yes |
Both are listed in Best Coding Challenge Platforms. On Freedom251, AtCoder scores higher on our published basis.