AI writes your Rails code. Rails UI makes it a product.
The product UI system for Rails SaaS builders. Real app screens, a shared component library, and Rails-native patterns, so you ship something users trust.
$299/yr for everything. No per-project fees.
| Booking date | Property | Payout | |
|---|---|---|---|
|
June 1, 2026 7:38 PM CST |
Cozy Mountain A-Frame | $1,165.45 | |
|
Aug 3, 2026 7:38 PM CST |
Mountain Vista Chalet | $2,846.46 | |
|
Jul 18, 2026 4:30 PM CST |
Cozy Mountain A-Frame | $1,326.36 |
Pro
Active subscriber
Monthly
Sarah updated deal status to "Qualified"
2 hours ago
New contact added: John Smith
Yesterday
Acme Corporation
Enterprise Plan • 12 team members
Next invoice: $299/mo
Due on Feb 1, 2025
Sign in to your account
Or sign up for an account
Enhanced User Authentication System
A small-batch cycle to build a refreshed authentication flow.
The problem
AI gets you a working app that still looks unfinished.
The code runs. The product doesn't feel real yet. AI scaffolds models, controllers, and views in an afternoon, but it builds one screen at a time, with no memory of the last one, so nothing quite agrees. The dashboard, the settings page, the sign-in screen, and the emails look like they came from four different apps. Users notice. An app that looks unfinished is hard to trust and harder to charge for.
The solution
Rails UI is the product layer AI skips.
One consistent system for the screens real apps need. Rails UI gives you the finished surface on top of your Rails code: real app screens, a shared design system, and Rails-native components that agree with each other. Start from a full app kit or drop in building blocks. Either way, every view inherits the same look, so the whole product feels like one team made it.
AI gives you one screen at a time.
Rails UI gives you a product whose screens agree.
AI gives you a snippet to wire up.
Rails UI gives you a system every screen inherits.
AI gives you something that just demos.
Rails UI gives you something you can put a price on.
App kits
App kits: real SaaS screens,
not blank starters
Each app kit is a set of real, designed screens for a kind of SaaS: dashboards, authentication, settings, team and billing pages, notifications, and transactional email. They are starting points, not finished apps. You bring the logic. The screens, layout, and design system are already done. Kits range from 15 to 38 screens. Three are free, the rest come with a subscription.
Collie
Community and courses
Husky
Personal finance
Boxer
Agency and client portals
Components
The building blocks behind every screen
Every app kit is built from a shared library of components: buttons, forms, tables, modals, dropdowns, alerts, pagination, and more. Use them to extend a kit or build new screens that still match. They are plain ERB and Tailwind with Stimulus where needed, so you can read them, copy them into your app, and change anything.
- Accordion
- Alert
- Badge
- Button
- Card
- Dropdown
- Modal
How do I import contacts from a CSV file?
Can I customize my deal pipeline stages?
How do automated follow-up reminders work?
Time to launch
The beta is no more.
We are ready to go live.
Use cases
Made for the apps people actually build
Start from the kit closest to your idea, then adapt it. Each app kit is shaped around a real kind of SaaS, so you begin with screens that already fit the problem.
SaaS Dashboard
Ship a complete SaaS dashboard: analytics, user management, and billing views, ready to extend in your Rails app
CRM
Ship a complete CRM: contacts, deal pipelines, and activity tracking, ready to extend in your Rails app
AI Applications
Ship a complete AI app surface: chat interfaces and dashboards, ready to wrap around your model
Property Management
Ship a complete property management product: listings, tenant portals, and maintenance tracking, ready to extend
Hiring Platform
Ship a complete hiring platform: job boards, candidate pipelines, and interview scheduling, ready to extend
Community Platform
Ship a complete community product: discussions, member profiles, and content feeds, ready to extend
Finance & Budgeting
Ship a complete finance dashboard: transactions, charts, and account management, ready to connect to your data
Agency Management
Ship a complete agency product: client management, timesheets, invoicing, and team coordination, ready to extend
"Launched our MVP in two weeks instead of two months. The themes look so polished that our investors thought we had a full design team."
Sarah M. — Startup Founder
"My clients can't believe how fast I deliver now. Rails UI pays for itself on the first project."
James T. — Freelance Developer
"Rails UI is going to save me months of work. I'm an experienced software developer building my first Ruby on Rails app, but I'm not strong at front-end design. Support has been awesome as well."
Adam G. — Software Developer
Rails UI vs the alternatives
| Feature | Rails UI | Rails Designer | Tailwind UI | RapidRails |
|---|---|---|---|---|
| Price | $299/yr | $99 one-time | $299 one-time | $149 one-time |
| Built for Rails | Yes (ERB, Stimulus, Hotwire) | Yes (ViewComponent) | No (framework-agnostic) | Yes (helper-based) |
| Full app kits |
9+ niche kits
|
|||
| Components | 200+ | 200+ | 500+ | 30+ |
| Live demos | Previews only | |||
| Auth flows included | ||||
| Email templates | ||||
| Stimulus controllers | Included | Yes | ||
| Dark mode | All kits | Component-level | Component-level | Yes |
| Open source gem |
Rails Designer gives you components. Tailwind UI gives you framework-agnostic HTML. Rails UI gives you both, plus complete app kits with auth flows, dashboards, email templates, and niche layouts, all wired for Rails.
Pricing
One subscription. Every kit, every component, every update.
Full access starts at $299/year. Unlimited apps. No per-project fees.
Get every app kit, the full component library, the form builder, and all updates while you are subscribed. The three free kits stay free. Solo and team plans available. Cancel anytime.
Newsletter
Updates in your inbox
New kits, components, and improvements. No spam, and you can unsubscribe anytime.