| Price from | €24/mo | $49/mo |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 8 | 6 |
| Spec score · Programmatic SEO Software | 8.7 (#3) | 7.5 (#10) |
| API | Harbor's enterprise page says it has a REST API, an MCP server, and webhooks. | The documentation describes a Public Blog API that fetches published blog content for display on websites, including static sites. |
| Native integrations | 6 | The integrations page lists WordPress, Webflow, Shopify, Ghost, Wix, Squarespace, HubSpot, Google Business Profile, Instagram, Facebook, and custom webhook CMS connections. |
| Product | Harbor is an AI-powered SEO content platform that researches content opportunities, generates articles, publishes them, and tracks rankings. | theStacc describes itself as an SEO engine that writes, optimizes, and publishes content and manages local search and social media for businesses. |
| Security | Harbor states that it encrypts personal data in transit and at rest and uses access controls, least-privilege access, backups, and incident response procedures. | The documentation says social accounts are connected through secure sign-in and that theStacc never sees or stores social passwords. |
| Support | The about page says a real person usually responds to support requests, often co-founder Hamish, and the Powerhouse plan includes priority support. | The About page says the core team is in Jaipur and reads every support email; it lists [email protected] for contact. |