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Head-to-head

Formstack vs SunCake

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

Formstack logo
Formstack

Online forms, document generation, and eSignatures for business workflows

From $83/mo
Visit Formstack
SunCake logo
SunCake

Free online form, survey, and quiz builder with real-time results

Free
Visit SunCake

At a glance

 FormstackSunCake
TaglineOnline forms, document generation, and eSignatures for business workflowsFree online form, survey, and quiz builder with real-time results
Pricing modelPaidFreemium
Starts at$83/moFree
Founded——
AI-native
CategoriesForms & Surveys, Digital Asset Management, Sales EngagementForms & Surveys
Vendor claimed

Quick take

Pick Formstack if you need online forms, document generation, and esignatures for business workflows. Pick SunCake if you need free online form, survey, and quiz builder with real-time results.

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Frequently asked

Is Formstack better than SunCake?
It depends on your use case. Formstack is online forms, document generation, and esignatures for business workflows, while SunCake is free online form, survey, and quiz builder with real-time results. See the comparison above for which fits your team.
What's the price difference between Formstack and SunCake?
Formstack starts at $83/mo. SunCake is free.
Can I migrate from Formstack to SunCake?
Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.