vioscaleAI
Comparison

OpenSign vs SignNow

On the evidence we track, SignNow leads this comparison with a composite score of 64/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

OpenSign full profile →SignNow full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
OpenSign35
★SignNow64
Score
vioscaleAI score
OpenSign35 / 100low · 42%
SignNow64 / 100medium · 52%
Pricing
Free tier
OpenSign✓
SignNow✗
Model
OpenSignopen_source
SignNowcommercial
Price level
OpenSignfree
SignNowmid
Starting price
OpenSign–
SignNow$30
Transparent
OpenSign✓
SignNow✓
Integrations
Count
OpenSign1
SignNow16
Security
Certifications
Gdpr
OpenSign–
SignNow✓
Hipaa
OpenSign–
SignNow✓
Pci
OpenSign–
SignNow✓
Soc2
OpenSign–
SignNow✓
Trust center
Market
Availability
Content
Faq
OpenSign4 items
SignNow7 items

Capabilities

Feature-by-feature on the axes that matter for esignature. “-” means undocumented, not absent.

Capabilities
Qtsp
OpenSign-
SignNow-
Esign ueta
OpenSign-
SignNow✓
Cfr part11
OpenSign-
SignNow✓
Audit trail
OpenSign✓
SignNow✓
In person signing
OpenSign-
SignNow✓
Embedded API
OpenSign✓
SignNow✓
Bulk send templates
OpenSign-
SignNow✓
SOC2
OpenSign-
SignNow✓
HIPAA available
OpenSign-
SignNow✓
Ron
OpenSign-
SignNow-

What each one is

The product in its own terms, so the numbers below have context.

OpenSign

An open-source solution that enables secure signing, storage, and management of digital documents, offering a no-cost alternative to commercial e-signature services.

Independently observed

SignNow

Leader

A service that enables users to send documents for electronic signature with built-in security and compliance protections suitable for business use.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

OpenSign

HybridFree tier

Free tier with unlimited signatures. Professional paid plans available (pricing not publicly listed).

  • FreeFree
    • Unlimited e-signatures
    • Invite and collaborate
    • Completion certificates with access logs
    • Secure document storage
    • Multi-signer support
    • +3 more
  • Professional-
    • Advanced features
as of verify ↗

SignNow

Leader
from $30/moSubscription

From $30/month. Free trial (250 signature invites).

  • Enterprise$30/month
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
OpenSign✓
SignNow✓
iOS
OpenSign✗
SignNow✓
Deployment
Cloud / SaaS
OpenSign✓
SignNow✓
Self-hosted
OpenSign✓
SignNow✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • Zapier

OpenSign

1 total - 0 not shared
  • Zapier
Independently observed

SignNow

Leader
25 total - 24 not shared
  • Claude
  • ChatGPT
  • Office 365
  • n8n
  • VS Code
  • Cursor
  • Slack
  • Workplace
  • Plumsail Documents
  • iPipeline
  • IRESis.com
  • Loft47
  • MeridianLink
  • Mooveguru
  • MRI Software
  • Napersoft CCM
  • LeadTrac
  • Okta
  • PlanetRE
  • Preclose
  • ProcessMaker
  • Professional Advantage
  • ProposalPoint
  • Integromat
Independently observed
Still deciding?

OpenSign or SignNow: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.