inSign
🇩🇪 DE · from 90 €/user/mo
4.9/5· 11 reviews
German eIDAS-compliant e-signature platform with ISO 27001 and EU-only hosting
Replaces
inSign is sought as a European alternative to:
Features
Signature Types
- Simple electronic signature (SES) via name input
- Advanced electronic signature (AES) via name input + TAN (mobile number)
- Advanced electronic signature (AES) with biometric handwritten signature
- Qualified electronic signature (QES) via certificate (surcharge applies)
- Signature image or company stamp
- Native mobile app for signing (iOS, Android)
Workflow & Processes
- Request signatures with or without predefined order
- Approval and authorization workflows
- Process delegation and observation
- Batch and multi-signature support
- Serial processes for sequential signing
- Set validity periods and expiry dates for documents
Document Management
- Form editor for preparing documents with signature fields
- Task overview for pending signatures
- Document templates for recurring use
- Electronic archive for signed documents
Security & Compliance
- GDPR-compliant, data processing exclusively in Germany/EU
- Protection against manipulation (documents locked after first signature)
- Certificate-based encryption/decryption of biometric signature data (private key held by German notary)
- Authenticity verification tool for signed documents
Integration & Customization
- REST-API (inSign connect) for software and web portal integration
- Microsoft Add-ins for Word, Excel, and Outlook
- SAP Connector for direct integration
- Support for signature pads
- Single Sign-On (SSO) for user authentication
- Customizable design, texts, and functions (license-dependent)
Pricing
- All-in-one cloud solution with electronic archive
- Microsoft Add-ins included
- Unlimited signatures
- Free trial available (no credit card required)
- Discounted rate for annual commitment
- Same features as monthly plan
- Minimum contract term: 12 months
- REST-API for integration into software, CRM, or archiving systems
- Usage-based pricing (depends on company size and requirements)
- Customized solution for complex requirements
- Available as SaaS or On-Premises
- Unlimited application possibilities
Pricing for API and enterprise plans varies based on usage, company size, and custom requirements. Electronic seal service available as separate offering (pricing on request).
EU Trust Profile
4 of 9 criteria verified with evidence, last checked 2026-08-03. Every ✓ links to its source.
- Evidence →Data Processing Agreement (DPA)
The Data Processing Agreement (DPA) is publicly available for inSign 365.
- Evidence →Trust center / security page
The vendor provides a dedicated security and data protection page.
- EU data residencyFrankfurt (DE)not verified
Customer data is processed exclusively on servers located in Germany.
- Public sub-processor listnot verified
- Evidence →ISO 27001Full scope (servers and company)
The product is certified according to ISO 27001.
- SOC 2not verified
- BSI C5not verified
- TISAXnot verified
- Evidence →German-language support
Free webinars for users are offered in German.
Verified means: the claim was publicly documented at the linked source on the check date. The vendor's own information prevails.
Reviews
Recurring themes, synthesized from public reviews across portals.
What users value
- Intuitive and user-friendly interface, accessible even for non-technical users
- Efficient and legally secure digital signature workflow, reducing turnaround times and paperwork
- Responsive and helpful customer support with quick issue resolution
- Flexible handling of multiple signers and various signature types
- Reliable performance with smooth operation for digital signature management
Ratings across portals
Linked facts, we bring ratings from every portal together in one place.
Integrations
Feature, pricing and integration details are based on web research (as of 2026-06-21), without guarantee, errors are possible. The vendor's website prevails.