shadcn/ui vs Rails UI
shadcn/ui is a popular React component library. Rails UI brings the same own-your-code philosophy to Ruby on Rails and goes further: complete app kits and product flows, not just components.
| Feature | shadcn/ui | Rails UI |
|---|---|---|
| Framework | React/Next.js | Ruby on Rails |
| Component Format | React/TSX | Native ERB partials |
| JavaScript Runtime | Node.js required | Importmap or bundler |
| Rails Form Builder | ||
| Hotwire/Turbo Compatible | ||
| Complete app kits | Color themes only | 8+ complete kits (growing) |
| Page Templates | 20+ pages per kit | |
| Ongoing Updates | Community-driven | New kits & components quarterly |
| Dark Mode | ||
| Pricing | Free (open source) | Free, $299/year |
Same philosophy, different ecosystem
shadcn/ui popularized the idea of components you own and control. Rails UI brings that same idea to the Rails ecosystem: components you can customize completely, not a locked-down npm package.
No React required
shadcn/ui is built for React and Next.js. If you're building with Rails, you'd need to adopt a JavaScript-heavy architecture. Rails UI gives you the same modern component experience using ERB, Stimulus, and Hotwire, the Rails way.
Works with Hotwire
Rails UI components are built with Stimulus controllers that integrate seamlessly with Turbo. You get reactive interfaces without the complexity of a React runtime or client-side state management.
Complete design system
While shadcn/ui provides individual components, Rails UI gives you complete kits with coordinated typography, spacing, colors, and page layouts. Everything works together cohesively from day one.
A growing library
Your subscription includes ongoing access to new kits and components as they're released. The library grows every month with new designs, page templates, and UI patterns, all included in your plan.
When to choose shadcn/ui
shadcn/ui is the go-to choice if you're building with React or Next.js. It's free, beautifully designed, and has an active community creating extensions and variations. The CLI makes adding components dead simple, and you own all the code.
Choose Rails UI if you're building with Ruby on Rails and want the same own-your-code philosophy with native ERB components, Stimulus controllers, and Hotwire compatibility, no React runtime required.