gSignature vs Letsignit – which email signature solution to choose in 2026?

Who's who? – target and market presence

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gSignature is a solution aimed at a wide range of companies – from small and medium-sized businesses (SMBs) to medium-sized organizations and large enterprises. Its strength lies in its scalability and flexibility – it works equally well in smaller teams as well as in structures with several domains and thousands of users.

Letsignit, on the other hand, mainly targets the SMB and MM segments, with a strong focus on the European Union (headquartered in France) and users of Microsoft 365.

Both platforms are available on Microsoft AppSource, and Letsignit is also available on Google Workspace Marketplace, which facilitates implementation in mixed infrastructure environments.

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Price transparency

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• gSignature openly publishes its price range on its website and offers a Free Plan with no monthly minimum, making it easy to test the tool without financial risk.
• Letsignit publishes a per-seat price list with no minimum thresholds, but does not offer a freemium plan.

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This is a practical difference – gSignature makes it easier for smaller or trial organizations to get started without any initial commitments.

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Implementation: Microsoft 365, Google Workspace, and hybrid environments

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A modern email signature system must work where your business works. Both tools support the main environments:

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Microsoft 365 / Exchange Online

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• gSignature – full support for both server-side and client-side through Outlook add-in and browser extensions (Chrome, Edge).
• Letsignit – server-side deployment and Outlook add-in.

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This means that signatures can be installed centrally and automatically across the entire organization in both tools. gSignature has an advantage with browser extensions, which makes it easier to implement in mixed environments.

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Google Workspace

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Both tools integrate natively with the Gmail API, enabling automatic signature implementation without manual user action.

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Exchange on-prem/hybrid

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• gSignature – full on-prem and hybrid support.
• Letsignit – partial support.

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If your organization operates in a mixed Exchange and cloud environment, gSignature offers greater flexibility.

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Admin and governance: control over signatures

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Key features that signature management systems should offer include:

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• centralized template management,
• role and permission control,
• audit logs,
• synchronization with user directories,
• SSO/SCIM integration.

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gSignature

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• Centralized template management – YES
• Role-based access – YES
• Audit logs – YES
• Directory sync (Google Workspace + Azure AD/Entra) – YES
• SCIM / SSO (SAML/OIDC) – YES

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Letsignit

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• Central template management – YES
• Role-based access – YES
• Audit logs – partially
• Directory sync – YES
• SCIM / SSO – YES

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gSignature offers a more comprehensive set of audit and administrative features, which is important in larger companies where compliance and change history are important to IT and security departments.

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Marketing and signature personalization

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Today, email signatures are also a marketing channel, especially when organizations use them to promote campaigns, events, or content.

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Banners, campaigns, and segmentation

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• gSignature – full support for banners, campaigns, segmentation (department, brand, geography), campaign planning (planner), and roadmap for A/B testing.
• Letsignit – also supports banners, segmentation, and campaign planning, but the range of marketing features is less extensive than in gSignature.

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Two signatures: internal vs. external

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• gSignature – full support for dual signatures
• Letsignit – partial

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gSignature gives you more control over how the signature looks to internal recipients (e.g., in HR communications) and external recipients (customers, partners).

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Design and branding automation

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In the creative area, both tools offer:

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• drag-and-drop editor,
• dynamic fields and variables,
• template library.

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However, gSignature introduces additional improvements:

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Auto-branding

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• gSignature – auto-adjustment of logos and brand colors from the domain (feature available in 2025).
• Letsignit – partial branding support.

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This is a significant difference, especially when an organization wants to have consistent visual identification in e-mail signatures without manual intervention.

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Accessibility and WCAG compliance

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• gSignature – materials and accessibility control on the server side
• Letsignit – no dedicated accessibility tools

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For companies that prioritize digital accessibility compliance, gSignature offers greater support.

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Compliance and security

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In terms of security, both tools have similar foundations:

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• support for legal clauses and disclaimers,
• ISO certifications,
• the ability to work in data regions (US/EU).

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gSignature has an advantage in terms of Data Residency options — full support for both the US and EU regions.

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Analytics and integrations

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Email signatures not only look good — they should also provide data.

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Click and data analysis

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• gSignature — link analytics, banners, reports per user/department, exports, and API
• Letsignit — click and UTM analytics, but less extensive API/exports

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For marketing and data teams, the ability to export statistics is a significant advantage.

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Pricing model and commercial aspects

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gSignature

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• Free plan + per-user plans (Core, Growth, Enterprise)
• Full 14-day trial
• Transparent price range + total cost calculator
• SLA support and dedicated CSM

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Letsignit

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• Per-user/per-seat model
• Trial
• Transparent pricing
• CSM support

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gSignature stands out by offering a Free Plan and a full trial, allowing organizations of all sizes to test the solution and estimate ROI without financial barriers.

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Which solution should you choose?

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Choose gSignature if:

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• you want full automation of branding and data
• you care about the marketing potential of email signatures
• you need strong support for SMB, MM, and Enterprise structures
• full history and change auditing are important
• you want to test the tool without barriers (Free Plan)

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Choose Letsignit if:

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• your priority is simple SMB/MM management
• you operate primarily in a Microsoft 365 environment
• you don't need advanced analytics and branding automation

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Both gSignature and Letsignit are robust tools for centralized email signature management. Both offer key features: integrations with key environments, visual editors, segmentation, banners, dynamic variables, and compliance support.

The differences lie in the depth of functionality, implementation flexibility, and approach to automation and branding. gSignature stands out as a more versatile and scalable solution, with a greater emphasis on automation, marketing, and analytics — making it a great choice for companies that treat email signatures not just as a technical requirement, but as a real part of their communication strategy.

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