| Price from | $2/mo | $1/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | — | Yes |
| Plans published | 4 | 3 |
| Spec score · Email Signature Management Software | 8.3 (#11) | 8.3 (#12) |
| Spec score · Email Signature Software | 8.3 (#10) | 8.2 (#13) |
| Founded | 2013 | 2013 |
| Headquarters | Marseille, France | San Francisco, California, United States |
| Integrations | The site names Microsoft 365, Outlook, Exchange, Google Workspace, Gmail, Salesforce, HubSpot, and Salesloft among supported environments or tools. | Listed integrations include Microsoft 365, Google Workspace, Salesforce, HubSpot, Marketo, Active Directory, Okta, Workday, and others. |
| Security | Letsignit states it is ISO 27001 and ISO 27018 certified and GDPR compliant. | Opensense says its SOC 2 Type II attestation covers Security, Confidentiality, and Availability and is completed annually. |
| Support | The pricing page lists a dedicated Customer Success and Support team of 16 experts for Email signatures & vCards and Slides. | The pricing page lists US-based support, a dedicated customer success manager and technical contact, and 24x7 priority phone support. |
