What are the key differences between FormKeep and Formstack?

Compare FormKeep and Formstack side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are FormKeep and Formstack scored?

FormKeep has an AI score of 6.6/10 and Formstack has an AI score of 5.5/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

FormKeep vs Formstack 2026 - Compared

FormKeep

Formstack

WINNER FormKeep

FormKeep edges ahead with a score of 6.6/10 compared to 5.5/10 for Formstack. While both are highly rated in their respe...

emoji_events WINNER

FormKeep

6.6 Good

Survey And Form Builder Get FormKeep open_in_new

Formstack

5.5 Fair

Survey And Form Builder Get Formstack open_in_new

FormKeep From $10/mo Free plan available

payments

Formstack From $25/mo Free plan available

psychology AI Verdict

FormKeep edges ahead with a score of 6.6/10 compared to 5.5/10 for Formstack. While both are highly rated in their respective fields, FormKeep demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: FormKeep

verified Confidence: Low

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description Overview

FormKeep

FormKeep is a developer-centric form builder that is perfect for static websites. Instead of using a drag-and-drop builder, you simply point your HTML form to FormKeep's endpoint, and they handle the rest. It is incredibly lightweight and doesn't inject any heavy scripts into your site. This makes it the ideal choice for developers who want to maintain total control over their form's design and pe...

Formstack

Formstack is a robust, open-source form builder known for its extensive features and developer-friendly architecture. It allows for complex form designs with conditional logic, data validation, and integrations with various APIs. Its strength lies in its ability to handle sensitive data securely, offering HIPAA compliance for healthcare applications. While requiring some technical expertise for ad...