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Certyneo vs zSign

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Certyneo compared with zSign
DetailCertyneo logo CertyneozSign logo zSign
What it doesFree, legally binding electronic signature with eIDAS compliance Legally binding e-signatures with prepaid credits, no per-seat pricing
StageStartup Not given
Founded2026 Not given
Based inFR Not given
Pricing modelFreemium Freemium
PricingFree: 0 €/month (5 envelopes for 14 days, then 2/month); Personal: 9 €/month (25 envelopes/month); Standard: 19 €/month (100 envelopes/month); Business: 39 €/month (300 envelopes/month); Business Pro: 99 €/month (1,000 envelopes/month). Qualified eIDAS signature available at 9.90 €/signature on paid Starter: $27 USD for 50 envelopes (54¢ each); Growth: $87 USD for 250 envelopes (34.8¢ each); Scale: $297 USD for 1,000 envelopes (29.7¢ each); White-label: $49 USD/month with 100 envelopes/month included. Free: 3 envelopes after email verification, 25 after referral signup.
Key features
  • Legally binding signatures at SES, AES and QES levels compliant with eIDAS regulation
  • 10-year encrypted archiving of all signed documents
  • AI-powered contract generator with automatic jurisdiction adaptation
  • Court-ready audit trail with SHA-256 hashes and timestamps
  • ESIGN/UETA compliant legally binding signatures
  • No per-seat pricing; add unlimited teammates
  • Credits never expire
  • Template links for reusable signature requests
  • White-label branding with custom domain and email
  • Programmatic credit purchases via API
  • 3 free envelopes after email verification
What makes it different
  • Entirely hosted in the European Union, safe from extraterritorial reach of US Cloud Act and FISA
  • Free plan indefinitely usable with eIDAS SES-level compliance included
  • 14-day refund policy without justification on paid plans
  • Pay per envelope, not per user seat
  • No subscription required; credits never expire
  • Built for AI agents with MCP server support
  • Court-ready tamper-evident completion certificates
  • Referral program pays 30% lifetime commission
Community votes00
DR (Domain Rating by Ahrefs)56 −1 (down) since last check1 no change since last check
Trust Flow (Majestic)290
Citation Flow (Majestic)3922
Referring domains (Majestic)102824

5 details filled in for both companies.

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