Build powerful forms, surveys and quizzes with AI in minutes
OpnForm records 76,221 monthly visits with +169% month-over-month growth and Freemium, Free Trial pricing. ZapForm records 0 monthly visits with -100% growth and Freemium, Paid pricing.

AI forms that capture, qualify and convert leads
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | opnform.com | zapform.ai |
| Pricing Model | Freemium, Free Trial | Freemium, Paid |
| Monthly Visits | 76.22K (76,221) | 0 (0) |
| MoM Traffic Delta | +47.89K (+169%) | -1.36K (-100%) |
| Primary Market & Share | 🇺🇸 United States (74.8%) | 🌐 Global (—) |
| Direct Visits / mo | 37.28K | 0 |
| User Rating | 4.5 | 4.2 |
| Supported Platforms | Website | Website |
Open-source form builder with AI assistance and unlimited responses
The full codebase is public and auditable, and you can run OpnForm on the vendor cloud, an EU-hosted instance, or your own infrastructure for complete data ownership.
Optional AI help for building forms and fields, designed to stay out of the way when you would rather write everything yourself.
Conditional logic, computed fields, answer piping, hidden fields and redirect-on-submit rules let one form adapt to many different respondents.
Collect as many responses as you need even on the free plan, with no hidden quotas or surprise overage charges.

AI forms that capture, qualify and convert leads
Describe a campaign and ZapForm drafts a high-converting lead capture form, cutting setup from hours to minutes.
Responses stream in live with AI-enhanced data hygiene that removes duplicates and junk so only ICP-matching leads reach your pipeline.
Behaviour-based scoring and tags sort inbound leads so your team knows who to contact first.
Lead data is encrypted and auto-synced into 100+ connected tools including CRM platforms, Google Suite and calendars.
Build powerful forms, surveys and quizzes with AI in minutes
SpecialistBuild forms, surveys and quizzes in seconds — with unlimited free responses
Privacy-first AI surveys with end-to-end encrypted responses
Privacy-first AI surveys with end-to-end encrypted responses

SpecialistDescribe your form, let AI build it

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

Free AI form builder for humans and AI agents

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

Conversational AI forms that ask and answer questions

SpecialistAI 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
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