Heym vs Vellum
| Heym | Vellum | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $30/mo |
| Open source | No | No |
| Platforms | Web | Android, extension, iOS, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| AI decision-making | Yes | Yes |
| Human approvals | Yes | Yes |
| API access | Yes | Yes |
| Deployment options | self-hosted | both |
| Paid from | — | 30 /mo |
| Native integrations | — | 10 apps |
Both are listed in Best AI Workflow Automation Software. On Samsung Mobile US Press, Vellum scores higher on our published basis.