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

An independent side-by-side comparison of Formstack Sign and OneSpan Sign 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
OneSpan Sign
63 / 90 probes
70%
Excellent
Perplexity
Formstack Sign
Tracking…
No data yet
OneSpan Sign
7 / 608 probes
1%
Poor
Gemini
Formstack SignLeads
1 / 1 probes
100%
Excellent
OneSpan Sign
11 / 185 probes
6%
Below average
Claude
Formstack Sign
0 / 1 probes
0%
Invisible
OneSpan SignLeads
36 / 58 probes
62%
Excellent
Copilot
Formstack Sign
0 / 1 probes
0%
Invisible
OneSpan SignLeads
38 / 56 probes
68%
Excellent
Scale:NoneLowFairStrongExcellent

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

Pricing

Formstack Sign
Starting price
Free tier
formstack.com
OneSpan Sign
Starting price
$22/user/month
Free tier
Yes
onespan.com

Key Features

Formstack Sign

Feature data is being indexed.

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

When to choose Formstack Sign

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

When to choose OneSpan Sign

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

OneSpan Sign

onespan.com

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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