CheckiO vs LeetCode
| CheckiO | LeetCode | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Android, iOS, Web |
| Free plan | Yes | Yes |
| Paid from | 4.99 /mo | — |
| Feedback mode | mixed | mixed |
| Learning format | mixed | mixed |
| Programming languages | Python, TypeScript | C++, Java, Python, C, C#, JavaScript, Ruby, Swift, Go, Scala, Kotlin, Rust, MySQL, Bash |
| Project-based learning | No | No |
| Mobile apps | No | Yes |
| Computer science topics | Yes | Yes |
Both are listed in Best Coding Learning Software, Best Coding Challenge Platforms. On Samsung Mobile US Press, LeetCode scores higher on our published basis.