How do their growth rates compare?

OpnForm has a month-over-month growth rate of +169%; Voiceform has +5.6%.

How does pricing compare?

OpnForm: Freemium, Free Trial. Freemium. A generous free tier includes unlimited form submissions with no per-response charges, and paid plans add more control, branding removal, team and enterprise features. EU hosting and self-hosting options are available; check the site's pricing page for current tiers. Voiceform: Contact for Pricing. Contact for pricing. Voiceform offers a free trial and routes paid plans through a demo or sales conversation; enterprise terms cover compliance, SSO, and API/SDK access.

What are alternatives to OpnForm and Voiceform?

Other tools in related categories include Fillout, Listen Labs, forms.app, Outset.ai, BlockSurvey.

OpnForm vs Voiceform — Traffic (76.22K vs 54.21K), Pricing & Verdict

Open AI Tools

OpnForm vs Voiceform — Traffic (76.22K vs 54.21K), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	OpnForm	Voiceform
Official Domain	opnform.com	voiceform.com
Pricing Model	Freemium, Free Trial	Contact for Pricing
Monthly Visits	76.22K (76,221)	54.21K (54,210)
MoM Traffic Delta	+47.89K (+169%)	+2.88K (+5.6%)
Primary Market & Share	🇺🇸 United States (74.8%)	🇺🇸 United States (81.5%)
Direct Visits / mo	37.28K	31.17K
User Rating	4.5	4.2
Supported Platforms	Website	Website

OpnForm

Open-source form builder with AI assistance and unlimited responses

Open-source, self-hostable form builder

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.

AI assistance when you want it

Optional AI help for building forms and fields, designed to stay out of the way when you would rather write everything yourself.

Smart logic and calculations

Conditional logic, computed fields, answer piping, hidden fields and redirect-on-submit rules let one form adapt to many different respondents.

Unlimited submissions without per-response fees

Collect as many responses as you need even on the free plan, with no hidden quotas or surprise overage charges.

Strengths & Pros

+Genuinely open-source with a public codebase and self-hosting path
+Unlimited submissions on the free tier with no per-response billing
+Strong automation coverage through native integrations, webhooks and a REST API
+Enterprise-ready controls including SSO, SAML, roles, audit history and EU hosting