Once UI vs Carbon Design System

Comparing the features of Once UI to Carbon Design System

Feature
Once UI
Carbon Design System

Capability Features

AI Chatbot Example
Angular Components
Community Contribution
Community-driven
Component Library
100
Continuous Updates
Copy-paste Blocks
75
Copy-paste Pages
Deployment-ready Apps
10
Design Guidelines
Examples and Templates
Magic PortfolioMagic DocsMagic BioSupabase StarterMagic SpotlightMagic AgentMagic ConvertMagic Store
IBM Design Language Foundation
In-sync Figma Tokens
Landing Page Templates
Mockup Assets
Onboarding and Support
Open Source
MIT
Open Source Code
Priority Support
Public Roadmap
React Components
Request Components
Reusable Components
Svelte Components
Unlimited Seats (Free/Team)
Vue Components
Web Components

Integration Features

Figma Integration
Figma Kit Integration
Library Support
FigmaSketchReactAngularVueSvelteWeb Components
NextJS Support
NPM Installation
Sketch Kit Integration
Supabase Support

Limitation Features

Next.js Only
No Built-in Analytics
No Mentioned Usage Limits
No Proprietary File Formats
No Refund After Download
No Refunds Policy
No Support for Other Frameworks
Not a Utility Class Framework
Open Source Core
Single Seat (Pro)
Unique Syntax

Pricing Features

Free Tier
Lock-in Pricing
No Pricing Plans
Pro Plan Price
$320/year
Refund Policy
No refunds after access
Student Discount
40% off first year
Team Plan
$2000/year