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
✕
Fillout AI
✓ verifiedFreemium
No-code form builder with high traffic and broad features.
4.2M visits/mo4.3K saves
✕
Zara
✓ verifiedPaid
Data lab providing expert human data, RL environments, and contextual evaluations to train and assess AI models and agents.
6.3M visits/mo45K saves
✕
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
Pricing
Free: $0 /month
Starter: $15 /month
Pro: $40 /month
Business: $75 /month
Basic: $0/month
Pro: $20/month
Team: $49/month
No public pricing
No public pricing
Free trial available
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
- ✦Integration with Notion databases
- ✦Unlimited fields and submissions
- ✦Customizable form styling
- ✦Conditional logic and validation rules
- ✦Ready-made form templates
- ✦File uploads
- ✦Multi-page forms
- ✦Email, Slack, and Discord notifications
- ✦Submission editing
- ✦Form protection (password, captcha)
- ✦Realm: RL environments and frontier evaluations
- ✦Cortex: contextual evaluation for production AI agents
- ✦Expert-demonstrated robotics training data
- ✦Benchmarks such as LongExtractionBench
- ✦Expert human data partnerships
- ✦Research lab on human data markets
- ✦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
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
- →Guest blog submission forms
- →Event attendee check-in forms
- →Customer satisfaction surveys
- →Patient intake forms
- →Photography quotation requests
- →Equipment rental requests
- →Photo shoot permit requests
- →Train and evaluate frontier AI models
- →Improve agent performance in production
- →Source expert human data for AI labs
- →Gather demonstration data for robotics
- →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
Visit