| Price from | €12/mo | — |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Plans published | 3 | 3 |
| Spec score · Gantt Chart Software | 8.2 (#16) | 8.3 (#12) |
| AI data handling | The maker says chart data is sent to Claude only when a user invokes an AI feature and is not used to train AI models. | Gantter says it trains AI models with non-identifiable data and uses customer data only in dynamic prompts for contextual suggestions. |
| Support | Business includes priority support, and the maker says vulnerability reports sent to [email protected] are answered within 48 hours. | Gantter provides instant access to ongoing real-person support for every client. |