| Price from | $299/mo | $5/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 5 | 2 |
| Spec score · Blogging Platforms | 9.0 (#8) | 8.4 (#46) |
| Blog analytics | Yes | Yes |
| Custom domain | Yes | Yes |
| Free plan | Yes | Yes |
| Integrations | The documentation describes SMTP email configuration, including a default port of 587 with STARTTLS. | Letterpad’s publishing documentation says its editor is integrated with an AI model for text analysis and suggestions, and with Unsplash for cover images. |
| Privacy | The maker says Inkwell makes no outbound connections to third-party services and sends no telemetry; self-hosting keeps data on the operator’s server. | The privacy policy says Letterpad servers are maintained in the United States and that it may share information with service providers supporting its business. |
| Support | The optional monthly support retainer includes priority bug triage, security patches within 48 hours, quarterly upgrades, private email, and scheduled office hours. | The Pro plan lists priority support. |
| Theme customization | custom code | custom code |