| Price from | Free | $79/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| macOS | Yes | — |
| Linux | Yes | — |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 5 |
| Spec score · Code review software | 8.6 (#12) | 7.9 (#33) |
| Founded | 2021 | 2018 |
| Integrations | Arcanist works with Git, Mercurial, and SVN workflows and can integrate with linters and unit testing frameworks. | ReviewNB supports GitHub Enterprise Server, GitHub cloud, and Bitbucket cloud. |
| Purpose | Phorge is an open source platform for collaborating on, managing, organizing, and reviewing software development projects. | ReviewNB provides rich diffs and cell-level comments for reviewing Jupyter notebook pull requests. |
| Support | The project identifies Ponder questions and the #phorge IRC channel on libera.chat as support options, while noting IRC responses may be slow. | The Enterprise plan lists priority support, and the site provides [email protected] for contact. |