Once UI vs Amplify UI

Comparing the features of Once UI to Amplify UI

Feature
Once UI
Amplify UI

Capability Features

Accessibility Compliance
WCAGWAI-ARIA
Accessibility Features
Accessible Labels
AI Chatbot Example
Authentication Component
Cloud Backend Features
GraphQL APIUser loginFile storage
Cloud Connection
Community-driven
Component Count (Pro)
40
Component Library
100
Composable Components
Continuous Updates
Copy-paste Blocks
75
Copy-paste Pages
Custom Authentication UI
Custom Styling Support
Dark Theme Support
Deployment-ready Apps
10
Examples and Templates
Magic PortfolioMagic DocsMagic BioSupabase StarterMagic SpotlightMagic AgentMagic ConvertMagic Store
Focus Management
Headless Mode
In-sync Figma Tokens
Keyboard Navigation
Landing Page Templates
Mockup Assets
Multiple Theming Options
DefaultTerminalSynthwaveClassic
Onboarding and Support
Open Source
MIT
Pluggable Libraries
Priority Support
Production Ready
Public Roadmap
Request Components
Responsive Components
Theme Overrides
TypeScript Support
Unlimited Seats (Free/Team)

Integration Features

Amplify CLI Integration
Amplify Hosting Integration
Amplify Studio Integration
CSS-in-JS Support
Figma Kit Integration
GraphQL API Integration
NextJS Support
NPM Installation
React Support
SPA/SSG Framework Support
Next.jsGatsbyEleventy
Supabase Support

Limitation Features

Next.js Only
No Backend Services
No Built-in Analytics
No Mention of Enterprise Support
No Mobile SDKs Mentioned
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
Pricing Example
$199.99
Pro Plan Price
$320/year
Refund Policy
No refunds after access
Student Discount
40% off first year
Team Plan
$2000/year