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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LightPDF AI
✓ verifiedFreemium
AI PDF editor, converter and reader with very high traffic.
👁 1.8M/mo♥ 12K
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UPDF AI
✓ verifiedPaid
AI-powered PDF editor across desktop and mobile with full toolset; strong adoption.
👁 1.1M/mo♥ 2.0K
Pricing
No public pricing
Free: $0 /month
Starter: $15 /month
Pro: $40 /month
Business: $75 /month
Annual: $4.16/mo
Personal Annual: $4.16 /mo
Personal Monthly: $19.99
Personal Weekly: $13.99
Personal 3-Year: $2.77 /mo
UPDF Pro (Yearly): US$39.99/Year
UPDF Pro (Lifetime): US$69.99/Lifetime
AI Assistant (Yearly): US$79.00/Year
UPDF Sign (Yearly): US$69.00/Year
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
- ✦PDF Editing
- ✦PDF Conversion
- ✦AI-Powered Tools
- ✦PDF Security
- ✦Cloud Storage
- ✦OCR
- ✦AI-powered PDF editing
- ✦PDF reading and annotation
- ✦PDF conversion and creation
- ✦PDF organization and compression
- ✦PDF protection and signing
- ✦AI summarization, translation, and explanation
- ✦Cross-platform availability (Windows, Mac, iOS, Android)
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
- →Converting PDF to Word, PPT, Excel, TXT, PNG, JPG, etc.
- →Editing PDF documents by adding text, images, and watermarks.
- →Summarizing, translating, and analyzing PDF content using AI.
- →Protecting PDF files with passwords and signatures.
- →Merging and splitting PDF files.
- →Removing watermarks from PDFs and images.
- →Summarizing long PDF documents for quick understanding
- →Translating PDF files to different languages
- →Explaining complex technical or medical terms in PDFs
- →Chatting with PDFs to get answers to specific questions
- →Editing and annotating PDF documents for collaboration
- →Converting PDFs to other formats for compatibility
- →Protecting sensitive PDF documents with passwords
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