Signable vs Contractbook: E-Signature Comparison (2026)

An independent side-by-side comparison of Signable 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
Signable
0 / 90 probes
0%
Invisible
Contractbook
Tracking…
No data yet
Perplexity
Signable
0 / 610 probes
0%
Invisible
Contractbook
Tracking…
No data yet
Gemini
Signable
0 / 186 probes
0%
Invisible
Contractbook
Tracking…
No data yet
Claude
Signable
0 / 58 probes
0%
Invisible
Contractbook
Tracking…
No data yet
Copilot
Signable
0 / 56 probes
0%
Invisible
Contractbook
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent

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

Pricing

Signable
Starting price
£1.60/Envelope
Free tier
Yes
signable.co.uk
Contractbook
Starting price
$399/month
Free tier
Yes
contractbook.com

Key Features

Signable
  • Unlimited users
  • Unlimited templates
  • Advanced Electronic Signatures (AES)
  • Digital signing
  • Two-Factor Authentication for signers
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 Signable

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

When to choose Contractbook

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

AI visibility profiles

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Signable

signable.co.uk

Contractbook

contractbook.com

Free check

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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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