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 visits/mo4.3K saves
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OpnForm
✓ verifiedPaid
Open-source AI form builder for free forms and surveys; strong adoption and traffic.
30K visits/mo684 saves
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UPDF AI
✓ verifiedPaid
AI-enhanced PDF editor with desktop, mobile, and web apps for editing, converting, annotating, and chatting with documents.
1.1M visits/mo2.0K saves
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LightPDF AI
✓ verifiedFreemium
AI-powered online and desktop PDF suite to edit, convert, OCR, sign, organize and chat with documents across devices.
1.8M visits/mo12K saves
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
Free trial available
No public pricing
No public pricing
Core features
- ✦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
- ✦Core PDF editing: text, images, links, forms, and pages
- ✦Conversion between PDF and Word, Excel, image, and other formats
- ✦AI chat with PDFs and images for Q&A and analysis
- ✦AI summarization, translation, and mind-map generation
- ✦10+ specialized AI agents for research, contracts, and finance tasks
- ✦eSignature and PDF security/redaction tools
- ✦Cross-device sync across Windows, Mac, iOS, Android, and web
- ✦Edit, convert and annotate PDFs
- ✦OCR and scanned-PDF enhancement
- ✦AI summarize and chat with documents
- ✦E-signature and document organization
- ✦Batch processing
- ✦Cross-platform: Web, Windows, Mac, iOS, Android
- ✦Voice, video, audio, and text surveys and forms
- ✦AI Probing
- ✦AI Survey Generation
- ✦AI Translation (50+ languages)
- ✦AI Transcription
- ✦Sentiment and Thematic Analysis
- ✦Standard Survey Features (multiple choice, likert scale, etc.)
- ✦Voice and Video Responses
- ✦Branching and Logic
- ✦Customization
Use cases
- →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
- →Professionals summarizing and querying long PDF reports
- →Students using AI homework and quiz tools on study documents
- →Legal and finance teams reviewing contracts and financial statements with AI agents
- →Teams needing enterprise-wide PDF editing with license management
- →Convert and edit PDFs online or on desktop
- →Summarize or ask questions about documents
- →OCR scanned PDFs into editable text
- →Sign and organize documents across devices
- →Concept Testing
- →Net Promoter Score
- →Brand Tracking
- →Diary Study
- →Product Feedback
- →Exploratory Research
- →Event Feedback
- →Creative Testing
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