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vsAdobe Acrobat Sign

inSign vs Adobe Acrobat Sign

Last updated October 2026

Looking for a European alternative to Adobe Acrobat Sign? Here's how inSign compares, on EU hosting, GDPR and what it does.

Our pick for a European buyer: inSign. We weight data residency, GDPR and EU jurisdiction above everything else — that is the constraint this directory exists to solve.

inSign
Adobe Acrobat Sign
What it is
German eIDAS-compliant e-signature platform with ISO 27001 and EU-only hosting
Electronic signature and digital document workflow solution.
Headquarters
🇩🇪 DE
🇺🇸 US
EU data residency
Yes, for all customers
Available on some plansEU data residency available on request for Acrobat Sign.
DSGVO / GDPR
Yes
Yes
Certifications
ISO 27001, ISAE 3402
ISO 27001, SOC 2 Type II
Price from
90 €/user/mo
No
Free plan
No
No
Open Source
No
No
Ratings
OMR 4.86/5 (11)
No
Integrations
Microsoft Word, Microsoft Excel, Microsoft Outlook, SAP, D-Trust +6
Salesforce, Microsoft 365, Workday, Dropbox, Google Drive +1

Where each one wins

inSign

Strengths

  • +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

Adobe Acrobat Sign

Strengths

  • +Seamless integration with Adobe ecosystem
  • +Reliable audit trails for compliance
  • +User-friendly mobile app

Limitations

  • −High cost for enterprise plans
  • −Complex setup for advanced workflows
  • −Limited customization in lower tiers

Data residency & compliance

inSign
Adobe Acrobat Sign
EU data residency
Yes, for all customers
Available on some plansEU data residency available on request for Acrobat Sign.
Transfer mechanism
Not required — data stays in the EU
Standard Contractual Clauses
DPA
Published →
Published →
Sub-processors
not established
Listed →
Certifications
ISO 27001, ISAE 3402
ISO 27001, SOC 2 Type II

Pricing

inSign

  • inSign 365 (Standalone Web Application) 24,90 € per user / month (monthly billing)All-in-one cloud solution with electronic archive · Microsoft Add-ins included · Unlimited signatures
  • inSign 365 (Yearly Billing) 90 € per user / month (annual contract, plus VAT)Discounted rate for annual commitment · Same features as monthly plan · Minimum contract term: 12 months
  • inSign connect (API) On request REST-API for integration into software, CRM, or archiving systems · Usage-based pricing (depends on company size and requirements)
  • inSign enterprise On request 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).

Adobe Acrobat Sign

  • Acrobat Sign Standard On request Monthly or annualBasic e-signature features · Limited integrations · Mobile app access
  • Acrobat Sign Pro On request Monthly or annualAdvanced workflows · Full API access · Bulk send capabilities

Pricing is not publicly listed; contact Adobe for a quote.

Features

inSign

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)
Workflow & Processes
Request signatures with or without predefined order, Approval and authorization workflows, Process delegation and observation, Batch and multi-signature support
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

Adobe Acrobat Sign

Signing & Workflows
Send documents for e-signature, Track signature status in real time, Set signing order and reminders, Bulk send for multiple recipients
Security & Compliance
GDPR-compliant data handling, Audit trails for all actions, Multi-factor authentication, Encrypted document storage
Integration & Automation
API access for custom workflows, Pre-built integrations with CRM/ERP, Automated reminders and notifications, Template-based document creation
See inSign →More Adobe Acrobat Sign alternatives