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Once UI
Compared to UI Guideline
Once UI vs UI Guideline
Comparing the features of Once UI to UI Guideline
Feature
Once UI
UI Guideline
Capability Features
AI Chatbot Example
Annual Top 20 Systems
20
Community-driven
Component Analysis
Deep analysis of the world's largest Design Systems, including naming, properties, anatomy, and best practices.
Component Library
100
Component List
Calendar
Search
Modal
Toggle Button
Alert
Color Picker
Empty State
Rating
Button
Component Naming Guidance
Consolidated JSON Files
Continuous Updates
Copy-paste Blocks
75
Copy-paste Pages
Deployment-ready Apps
10
Design System Synthesis
Examples and Templates
Magic Portfolio
Magic Docs
Magic Bio
Supabase Starter
Magic Spotlight
Magic Agent
Magic Convert
Magic Store
Figma Kit
In-depth Guides
In-sync Figma Tokens
Landing Page Templates
Manual Pattern Review
Mockup Assets
Newsletter
Number of Components
60
Onboarding and Support
Open Source
MIT
Open Source Code
Priority Support
Properties and Anatomy Documentation
Public Roadmap
Request Components
UI Component Catalog
Unlimited Seats (Free/Team)
Waitlist Signup
Integration Features
Figma Kit Integration
NextJS Support
NPM Installation
Supabase Support
Limitation Features
Next.js Only
No API Integration Mentioned
No Export to PDF
No Mentioned Paid Plans
No Plugin Marketplace
No Refund After Download
No Refunds Policy
No Support for Other Frameworks
No User Authentication
Not a Utility Class Framework
Open Source Core
Single Seat (Pro)
Unique Syntax
Other Features
Used by Professionals
Amsterdam University
Asana
Atlassian
Feedly
Zendesk
Zero Height
VisualCV
User Base Size
6700
Waitlist Size
2034
Pricing Features
Free Access
Free Tier
Lock-in Pricing
Pro Plan Price
$320/year
Refund Policy
No refunds after access
Student Discount
40% off first year
Team Plan
$2000/year