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Certyneo vs Sonder Sign

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 Sonder Sign
DetailCertyneo logo CertyneoSonder Sign logo Sonder Sign
What it doesFree, legally binding electronic signature with eIDAS compliance Electronic signatures with people in mind
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 Free plan with 5 requests and 5 people per request. Personal, Pro, and Team plans available with higher limits.
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
  • Place signatures, initials, dates, and text fields
  • Send shared file or individual copies
  • Save templates for repeated sends
  • Assign fields to named signers or roles
  • Remind, correct, and void requests
  • Track signature status and deadlines
  • No account required to sign
  • Signing order for sequential signers
  • Contacts and groups for repeated recipients
  • Download finished files and PDFs
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
  • Signers do not need an account or login
  • Choose between shared file or individual copies for each signer
  • Free plan available with no card required
  • Templates eliminate rebuilding the same packet
Community votes00
DR (Domain Rating by Ahrefs)56 −1 (down) since last check16 no change since last check
Trust Flow (Majestic)292
Citation Flow (Majestic)3914
Referring domains (Majestic)10283

5 details filled in for both companies.

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