| Price from | $1/mo | $0.09/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| macOS | Yes | — |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | — |
| Self-hosted | — | Yes |
| Plans published | 3 | 6 |
| Spec score · Email Signature Management Software | 8.3 (#12) | 7.5 (#34) |
| Deployment | Deployment options include server-side signature injection, an Outlook add-in, and Gmail API integration; multiple methods can be used together. | Customers can use fully managed SigoraOne Cloud or run Sigora Self-Hosted inside infrastructure they control. |
| Purpose | Opensense centrally manages company email signatures, campaigns, sales insights, and compliance in one platform. | Sigora centrally manages Microsoft 365 email signatures and applies the correct signature server-side after a user sends. |
| Support | The pricing page lists US-based support, a dedicated customer success manager and technical contact, and 24x7 priority phone support. | The maker offers product-fit help, deployment and pricing discussions, and technical evaluation planning through its contact process. |
