| Price from | $19/mo | $39/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Plans published | 3 | 5 |
| Spec score · Web Annotation Tools | 7.9 (#13) | 8.0 (#12) |
| Integrations | Heurio's marketing page lists integrations to Trello, Jira, and more. | The site lists integrations including Jira, Linear, Trello, GitHub, ClickUp, Asana, GitLab, Notion, and Monday.com. |
| Product | Heurio is a collaborative website review tool for design, development, and marketing teams. | Marker.io collects website feedback, bug reports, UAT reports, and annotations with screenshots and technical metadata. |
| Support | Heurio offers documentation, a support form for account, billing, or feature questions, and a system status page. | Business includes an account manager, priority support, security reviews, and a custom uptime SLA. |
