| Price from | Free | $2/mo |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | — | Yes |
| Plans published | 1 | 3 |
| Spec score · Coding Learning Software | 7.7 (#23) | 8.3 (#9) |
| Languages | Matching JavaScript or Python code updates in real time as users build with blocks. | The site says it supports more than 55 programming languages. |
| Purpose | CodeDam is a free visual coding playground for kids that teaches loops, variables, and logic with blocks and displays JavaScript or Python code as they build. | Codewars helps people improve coding skills by practicing community-created programming exercises called kata. |
| Support | The site lists [email protected] as its contact email. | The About page lists [email protected] as a contact address. |