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

An independent side-by-side comparison of Formstack Sign and Dropbox 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
Dropbox Sign
43 / 89 probes
48%
Good
Perplexity
Formstack Sign
0 / 1 probes
0%
Invisible
Dropbox SignLeads
1 / 608 probes
0%
Poor
Gemini
Formstack SignLeads
1 / 1 probes
100%
Excellent
Dropbox Sign
1 / 185 probes
1%
Poor
Claude
Formstack Sign
0 / 1 probes
0%
Invisible
Dropbox SignLeads
30 / 58 probes
52%
Excellent
Copilot
Formstack Sign
0 / 1 probes
0%
Invisible
Dropbox SignLeads
41 / 56 probes
73%
Excellent
Scale:NoneLowFairStrongExcellent

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

Pricing

Formstack Sign
Starting price
Free tier
formstack.com
Dropbox Sign
Starting price
$9.99/month
Free tier
No
dropbox.com

Key Features

Formstack Sign

Feature data is being indexed.

Dropbox Sign
  • 30 days to restore files
  • Edit PDFs and get signatures
  • Transfer files up to 50 GB
  • 2 TB of storage

When to choose Formstack Sign

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

When to choose Dropbox Sign

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

Dropbox Sign

dropbox.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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