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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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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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Thea
✓ verifiedPaid
Free AI study partner with strong community adoption helping students master material.
👁 651K/mo♥ 439K
Pricing
No public pricing
Free: $0 /month
Starter: $15 /month
Pro: $40 /month
Business: $75 /month
Basic: $0/month
Pro: $20/month
Team: $49/month
Beta Access: Free
Free: $0 / month
Pro (billed annually): S$16 / month
Team: Custom
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
- ✦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)
- ✦AI-powered smart study tools
- ✦Flashcards
- ✦Summaries
- ✦Practice tests
- ✦Mobile apps
- ✦Personalized learning experience
- ✦AI tutor that understands PDFs, videos, and lectures
- ✦Automatic generation of concise notes, quizzes, and flashcards
- ✦Interactive chat with the AI tutor
- ✦Voice mode for learning
- ✦Personalized exams and progress tracking
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
- →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
- →Preparing for AP exams with the AP Course Catalog
- →Studying for A-Levels and GCSEs
- →Mastering various subjects like Biology, Economics, and Algebra
- →Reducing test anxiety through realistic test simulations
- →Turning learning materials into concise notes and quizzes
- →Simplifying complex topics through AI tutor interaction
- →Creating personalized exams to test knowledge
- →Learning from YouTube videos, PDFs, slides, and recorded lectures
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