Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
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Fillout AI
✓ verifiedFreemium
No-code form builder with high traffic and broad features.
👁 4.2M/mo♥ 4.3K
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OpnForm
✓ verifiedPaid
Open-source AI form builder for free forms and surveys; strong adoption and traffic.
👁 30K/mo♥ 684
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Instafill
✓ verifiedPaid
AI automating PDF form filling and document signing; concrete niche with high traffic.
👁 50K/mo♥ 2.2K
Pricing
No public pricing
Free: $0 /month
Starter: $15 /month
Pro: $40 /month
Business: $75 /month
Free: $0
Pro (Monthly): $16 per month
Pro (Yearly): $16 per month (billed yearly)
No public pricing
Core features
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- ✦No-code form builder
- ✦Drag-and-drop interface
- ✦50+ customizable field types
- ✦Conditional logic
- ✦Payment collection
- ✦Scheduling forms
- ✦PDF generation
- ✦Workflow automation
- ✦Customizable branding
- ✦Integrations with other apps
- ✦AI Form Builder
- ✦Unlimited forms, fields, and responses (Free plan)
- ✦Form logic, URL pre-fill, Hidden fields
- ✦File uploads, Custom code, Webhooks
- ✦Customizable themes and thank you pages
- ✦Form Analytics
- ✦AI-powered PDF form filling
- ✦Batch form filling
- ✦Custom profiles
- ✦Document uploads and e-Signatures
- ✦API
- ✦Chrome & Edge browser extensions
Use cases
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- →Collecting payments through custom forms
- →Processing orders, registrations, and memberships
- →Capturing and managing leads
- →Booking meetings
- →Supporting customers
- →Streamlining internal processes
- →Conducting surveys and quizzes
- →Creating contact forms
- →Conducting surveys
- →Collecting internal announcements
- →Managing warehouse inventory check-ins
- →Gathering training feedback
- →Processing international job applications
- →Streamlining legal petitions
- →Supporting environmental initiatives
- →Filling out mortgage applications
- →Completing loan documents
- →Generating lease agreements
- →Processing rental applications
- →Preparing tax returns
- →Submitting insurance claims
- →Completing immigration forms
- →Handling Medicare paperwork
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