OneSpan Sign vs Contractbook: E-Signature Comparison (2026)

An independent side-by-side comparison of OneSpan Sign and Contractbook for e-signature buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask e-signature questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Too early to call — probes still building data.
ChatGPT
OneSpan Sign
63 / 90 probes
70%
Excellent
Contractbook
Tracking…
No data yet
Perplexity
OneSpan Sign
7 / 610 probes
1%
Poor
Contractbook
Tracking…
No data yet
Gemini
OneSpan Sign
12 / 186 probes
6%
Below average
Contractbook
Tracking…
No data yet
Claude
OneSpan Sign
36 / 58 probes
62%
Excellent
Contractbook
Tracking…
No data yet
Copilot
OneSpan Sign
38 / 56 probes
68%
Excellent
Contractbook
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

OneSpan Sign
Starting price
$22/user/month
Free tier
Yes
onespan.com
Contractbook
Starting price
$399/month
Free tier
Yes
contractbook.com

Key Features

OneSpan Sign
  • Up to 1,000 transactions/user annually
  • Desktop and mobile support
  • Reusable templates
  • Branding capabilities
  • API access
  • Bulk send feature
  • White labeling
  • SMS authentication
Contractbook
  • Unlimited digital signatures
  • AI contract assistant
  • Up to 500 signed contracts/year
  • 5 custom templates per user
  • User provisioning
  • CSV export
  • Dynamic templates
  • Automations

When to choose OneSpan Sign

Choose OneSpan Sign if your team prioritizes its strengths over Contractbook's. Full guidance populates as OneSpan Sign's feature data is indexed.

When to choose Contractbook

Choose Contractbook if your team prioritizes its strengths over OneSpan Sign's. Full guidance populates as Contractbook's feature data is indexed.

AI visibility profiles

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OneSpan Sign

onespan.com

Contractbook

contractbook.com

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We ask the buyer questions in this market across ChatGPT, Claude, Gemini, Perplexity and Copilot, and show you who gets named.

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