AdSigner vs Letsignit
AdSigner
adsigner.com
Letsignit
letsignit.comSide by side
| Figure | AdSigner | Letsignit |
|---|---|---|
| Price from | €1.20/mo | $2/mo |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | — |
| Plans published | 10 | 4 |
| Spec score · Email Signature Management Software | 8.7 (#6) | 8.3 (#11) |
| Spec score · Email Signature Software | 8.7 (#5) | 8.3 (#10) |
| Campaigns | Campaign banners can promote offers, events, content, and company news in employee emails. | Email signatures can carry targeted marketing banners, internal campaigns, surveys, and A/B tests with performance tracking. |
| Company history | An AdSigner company article says the team was working on a client communication challenge in 2012, which led them to recognize email's advertising potential. | Letsignit's about page says founder Damien Neyret founded the company in 2013 to help companies manage, design, and deploy on-brand email signatures. |
| Headquarters | Ljubljana, Slovenia | Marseille, France |
| Integrations | Directory sync supports Microsoft Entra ID, Google Directory, JSON endpoints, custom API sources, and manual Excel, CSV, or JSON imports. | The site names Microsoft 365, Outlook, Exchange, Google Workspace, Gmail, Salesforce, HubSpot, and Salesloft among supported environments or tools. |
| Product | AdSigner centrally manages employee email signatures and can deploy them across an organization. | Letsignit centralizes creation, management, and deployment of company email signatures. |
| Security | AdSigner says it does not route or access email content and processes employee directory data and signature configuration to generate signatures. | Letsignit states it is ISO 27001 and ISO 27018 certified and GDPR compliant. |
| Support | Standard support is included with subscriptions and offers a response within 24 business hours via email or chat. | The pricing page lists a dedicated Customer Success and Support team of 16 experts for Email signatures & vCards and Slides. |
Plans
AdSigner
- Signature Users (1 user)Free
- Signature Users (501+)€1.20 a month
- Signature Users (51–500)€1.40 a month
- Signature Users (21–50)€1.60 a month
- Signature Users (6–20)€1.80 a month
- Signature Users (2–5)€2 a month
- Additional data transfer€6 a month
- Core Platform€8 a month
- Directory Sync€15 a month
- Extended Analytics€15 a month
Letsignit
- Email signatures & vCards$2 a month
- Platform$2 a month
- Slides$2 a month
- EnterprisePriced on request
In their own words
AdSigner
AdSigner centrally manages employee email signatures and can deploy them across an organization. It supports distinct branded signatures for departments, roles, regions, locations, or company brands. Campaign banners can carry offers, events, content, or company news in employee emails. Analytics tracks signature and campaign views, clicks, and click-through rates, with reports exportable to Excel, CSV, or JSON. Employee directory data can be synced from Microsoft Entra ID or Google Directory, supplied through JSON endpoints or custom API sources, or imported from Excel, CSV, or JSON files. Deployment options include Microsoft 365 and Outlook add-ins, Google Workspace and Gmail add-ons, AdSigner Agent for Outlook or Thunderbird, HTML copy-and-paste, and API-based deployment. AdSigner says it processes directory data and signature configuration to generate signatures without routing or accessing email content. Its security page states that it is GDPR compliant, offers a Data Processing Agreement, and has an SSL certificate. Administrators can enforce disclaimers and restrict compliance settings through role-based permissions. Standard support is included with subscriptions, with email or chat responses within 24 business hours. The platform lists API, extension, web, and Windows.