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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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UPDF AI
✓ verifiedPaid
AI-powered PDF editor across desktop and mobile with full toolset; strong adoption.
👁 1.1M/mo♥ 2.0K
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OpnForm
✓ verifiedPaid
Open-source AI form builder for free forms and surveys; strong adoption and traffic.
👁 30K/mo♥ 684
Pricing
Basic: $0/month
Pro: $20/month
Team: $49/month
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
No public pricing
Forever Free: $0
Basic: $19
Professional: $49
Agency: $149
Free: $0
Pro (Monthly): $16 per month
Pro (Yearly): $16 per month (billed yearly)
Core features
- ✦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 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)
- ✦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
- ✦TinyForms: Build smart forms with customized APIs, real-time logic, and dynamic APIs.
- ✦TinyWorkflows: Create no-code automations with a visual drag-and-drop builder, human-in-loop capabilities, and AI assistance.
- ✦TinyTables: Manage, analyze, and visualize data with live sync, built-in AI enrichment, and smart insights.
- ✦TinyEmails: Create and send personalized emails directly from workflows with AI-crafted messages and data-driven timing.
- ✦TinyAgents: Deploy specialized AI agents for research, qualification, or enrichment tasks, with prebuilt expertise and customizable logic.
- ✦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
Use cases
- →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
- →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
- →Concept Testing
- →Net Promoter Score
- →Brand Tracking
- →Diary Study
- →Product Feedback
- →Exploratory Research
- →Event Feedback
- →Creative Testing
- →Lead Management: Automate lead capture, enrichment, and CRM syncing to turn form fills into qualified prospects.
- →Sales Pipeline: Automate handoffs and streamline sales processes for efficiency.
- →Marketing Campaigns: Boost marketing campaign impact through automation.
- →Recruitment Flow: Automate hiring and onboarding by collecting applications, shortlisting with AI, and notifying teams.
- →Community Flow: Manage community onboarding, approvals, and communication on platforms like Telegram.
- →Campaign Flow: Streamline voucher availing journeys, rewards, and coupon redemptions with full automation.
- →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
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