Contractbook vs Signable: E-Signature Comparison (2026)

An independent side-by-side comparison of Contractbook and Signable 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
Contractbook
Tracking…
No data yet
Signable
0 / 90 probes
0%
Invisible
Perplexity
Contractbook
Tracking…
No data yet
Signable
0 / 609 probes
0%
Invisible
Gemini
Contractbook
Tracking…
No data yet
Signable
0 / 186 probes
0%
Invisible
Claude
Contractbook
Tracking…
No data yet
Signable
0 / 59 probes
0%
Invisible
Copilot
Contractbook
Tracking…
No data yet
Signable
0 / 56 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

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

Key Features

Contractbook

Feature data is being indexed.

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

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.

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.

AI visibility profiles

Is one of these your brand?

Get the full report by email: every e-signature buyer question we ask, which engines name you, and who gets named instead.

Contractbook

contractbook.com

Signable

signable.co.uk

Free check

Check any brand's AI visibility — free

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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