| Price from | — | $2/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| Self-hosted | Yes | — |
| Plans published | 2 | 4 |
| Spec score · Presentation Management Software | 7.9 (#13) | 8.3 (#6) |
| Company history | The company says empower was officially launched in 2009. | Letsignit's about page says founder Damien Neyret founded the company in 2013 to help companies manage, design, and deploy on-brand email signatures. |
| Founded | 2005 | 2013 |
| Headquarters | Cologne, Germany | Marseille, France |
| Integrations | The product integrates with SharePoint, DAM and PIM systems, and Microsoft Teams; the company also offers custom extensions. | The site names Microsoft 365, Outlook, Exchange, Google Workspace, Gmail, Salesforce, HubSpot, and Salesloft among supported environments or tools. |
| Product | empower is a Microsoft 365 suite of add-ins for creating presentations, documents, spreadsheets, and emails using templates and a centralized content library. | Letsignit centralizes creation, management, and deployment of company email signatures. |
| Security | empower states that it is ISO 27001 certified and GDPR compliant, and that its backend and web apps are hosted on Microsoft Azure. | Letsignit states it is ISO 27001 and ISO 27018 certified and GDPR compliant. |
| Support | Maintenance, updates, and second-level support are included in the license fee; customers provide first-level support internally. | The pricing page lists a dedicated Customer Success and Support team of 16 experts for Email signatures & vCards and Slides. |