| Price from | $5/mo | $8/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 5 | 3 |
| Spec score · Kanban Software | 9.2 (#1) | 8.2 (#16) |
| Intended users | The maker describes Flow-e as an email client for managers and small business owners. | The pricing page describes Free as for individuals and solo creators, Teams for growing teams, and Enterprise for large organizations with advanced needs. |
| Product | Flow-e is a Kanban-like visualization layer on an Outlook inbox that turns it into a visual task board. | Kan describes itself as an open-source alternative to Trello and a visual kanban app for organizing work and tracking progress. |
| Support | The desktop page directs users to email [email protected] for feedback or bug reports about the beta app. | The Teams plan includes priority email support; Enterprise lists a dedicated account manager and custom SLA. |