Formstack Sign vs DocHub: E-Signature Comparison (2026)

An independent side-by-side comparison of Formstack Sign and DocHub 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
Formstack Sign
Tracking…
No data yet
DocHub
2 / 90 probes
2%
Poor
Perplexity
Formstack Sign
Tracking…
No data yet
DocHub
0 / 610 probes
0%
Invisible
Gemini
Formstack Sign
Tracking…
No data yet
DocHub
0 / 186 probes
0%
Invisible
Claude
Formstack Sign
Tracking…
No data yet
DocHub
0 / 58 probes
0%
Invisible
Copilot
Formstack Sign
Tracking…
No data yet
DocHub
1 / 56 probes
2%
Poor
Scale:NoneLowFairStrongExcellent

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

Pricing

Formstack Sign
Starting price
Free tier
formstack.com
DocHub
Starting price
$8/month
Free tier
Yes
dochub.com

Key Features

Formstack Sign

Feature data is being indexed.

DocHub
  • PDF editing (3 docs/month)
  • eSignatures (5 signatures/month)
  • AI Assistant (limited access)
  • iOS and Android apps
  • Advanced PDF tools
  • Small team collaboration
  • Unlimited eSignatures
  • Secure Document Storage

When to choose Formstack Sign

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

When to choose DocHub

Choose DocHub if your team prioritizes its strengths over Formstack Sign's. Full guidance populates as DocHub'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.

Formstack Sign

formstack.com

DocHub

dochub.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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