MHMartechHunt

Head-to-head

BlockSurvey vs Formstack

Two leading forms & surveys tools, compared on pricing, features, and editorial fit. Updated for 2026.

BlockSurvey logo
BlockSurvey

Privacy-first, end-to-end encrypted survey builder with AI analysis

Price not listed
Visit BlockSurvey
Formstack logo
Formstack

Online forms, document generation, and eSignatures for business workflows

From $83/mo
Visit Formstack

At a glance

 BlockSurveyFormstack
TaglinePrivacy-first, end-to-end encrypted survey builder with AI analysisOnline forms, document generation, and eSignatures for business workflows
Pricing modelFreemiumPaid
Starts atNot listed$83/mo
Founded——
AI-native
CategoriesForms & Surveys, AnalyticsForms & Surveys, Digital Asset Management, Sales Engagement
Vendor claimed

Quick take

Pick BlockSurvey if you need privacy-first, end-to-end encrypted survey builder with ai analysis. Pick Formstack if you need online forms, document generation, and esignatures for business workflows.

Browse more

BlockSurvey alternatives →

Browse more

Formstack alternatives →

Frequently asked

Is BlockSurvey better than Formstack?
It depends on your use case. BlockSurvey is privacy-first, end-to-end encrypted survey builder with ai analysis, while Formstack is online forms, document generation, and esignatures for business workflows. See the comparison above for which fits your team.
What's the price difference between BlockSurvey and Formstack?
BlockSurvey doesn't publish its pricing. Formstack starts at $83/mo.
Can I migrate from BlockSurvey to Formstack?
Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.