Fillout vs OpnForm

Build forms, surveys and quizzes in seconds — with unlimited free responses

Privacy-first AI surveys with end-to-end encrypted responses

Describe your form, let AI build it

SpecialistAI quiz, poll and survey builder that turns traffic into leads

Free AI form builder for humans and AI agents

SpecialistAI-moderated voice and video interviews that scale survey research to thousands of people at once

Build high-converting AI forms, surveys, and quizzes in seconds

SpecialistPioneering conversational AI dialogue interface for surveys, but less suited for traditional tabular data collection and multi-page forms.

AI form builder that turns plain-language prompts into high-converting conversational forms

Free / Open-sourceLow-code forms and workflow automation with AI-assisted form building

Describe your form in plain language and share a conversational version instantly

Conversational AI form builder that asks follow-up questions