| Price from | Free | €8/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | — | Yes |
| Plans published | 2 | 3 |
| Spec score · Code Playground Software | 7.7 (#33) | 8.3 (#10) |
| Spec score · Coding Playgrounds | 7.3 (#117) | 8.5 (#31) |
| Free plan | Yes | Yes |
| Private projects | Yes | Yes |
| Security | Ideone says its Sphere Engine technology runs programs on a remote server in a secure way within a complete runtime environment. | The privacy policy says data is encrypted in transit with SSL/TLS and is not encrypted while live in its database. |
| Support | The FAQ directs users to contact [email protected] for help with persistent internal errors and other inquiries. | The privacy policy directs users to contact JSFiddle by email for help exercising information rights or account assistance. |