Launch a SaaS MVP
Build authentication, dashboards, database flows, and billing-ready UI in one project.
AI app builder for Next.js
Build production-ready apps, from a single prompt.
Massvai turns your idea into a full-stack Next.js application with clean TypeScript, live preview, Supabase, GitHub sync, and one-click Vercel deployment.
Free forever plan · No credit card required
app.massvai.com
Massvai
Build a SaaS dashboard with auth and Stripe
✓ Next.js 15 scaffolded
✓ Tailwind design system
✓ Supabase auth wired
⏳ Building dashboard UI…
$12,450
Revenue
3,820
Users
+18%
Growth
Recent projects
SaaS Dashboard
E-commerce
Analytics App
Landing Page
Mobile App
Illustrative preview of the Massvai build experience
Scroll to explore
Integrated with the tools you already use
Next.js 15SupabaseVercelTailwind CSSStripeTypeScriptGitHubPrismaReact 19
From prompt to production
Full-stack app development, handled.
Plan, design, code, preview, connect Supabase, sync GitHub, and deploy to Vercel without switching tools.
A durable AI coding agent
It plans before it builds, writes maintainable code, handles edge cases, and preserves progress across long-running tasks.
Full-stack
Type-safe
Auto-deploy
Deploy in One Click
Push a reviewed codebase to GitHub and deploy it to Vercel from one guided publishing flow.
GitHub
Vercel
Live
A workspace that remembers
Durable progress, tool history, Stop, and Retry are built in.
Stop / Retry
Polished UI by default
Accessible, responsive UI built from a consistent design system.
Spacing
Typography
Color
Motion
Your Code, Always
Export every file. No lock-in, ever.
Full ownership guaranteed
From idea to launch
Three steps from prompt to production.
01
Describe your idea
Describe your app in plain language. Add a screenshot or reference file when the details matter.
02
Build with a durable AI agent
Massvai plans the work, writes production-ready Next.js code, and keeps progress visible in a live preview.
03
Preview, sync, and deploy
Review every file, sync the repository to GitHub, and deploy the finished app to Vercel.
Built for production
Production-ready code,
by design.
Clean TypeScript, a maintainable component architecture, and accessible UI — with every file ready for you to inspect and own.
Building live…
app/dashboard/page.tsx
TypeScriptimport { createClient } from '@/lib/supabase/server'
import { redirect } from 'next/navigation'
import { Dashboard } from '@/components/dashboard'
export default async function DashboardPage() {
const supabase = await createClient()
const { data: { user } } = await supabase.auth.getUser()
if (!user) redirect('/login')
return <Dashboard user={user} />
}
Type-safe0 errors · 0 warnings
Live Preview
dashboard.massvai.app
Dashboard
2026-08-04
AC
Total projects
12+3
Build
08+2
Deployed
06+1
Recent projects
ProductionYour code, alwaysFull ownership guaranteed
Live Preview
Real-time preview with HMR
One-click deploy
Push to GitHub and deploy to Vercel
Your code, always
Export every file. No lock-in.
Built for real product work
From idea to working software.
For founders, product teams, agencies, and developers who need more than a prototype.
Create internal tools
Turn operational workflows into secure full-stack apps without waiting on a long engineering queue.
Ship client websites
Move from brief to responsive website, review the code, and deploy on a production domain.
Pricing
Start free. Upgrade when the agent is doing real work.
Simple plans for AI app building: monthly credits, production workflow, and Stripe invoices from day one.
Free
$0
Explore the workspace and build your first project without a card.
100 welcome credits
Get started free- Live preview
- Code export
- Community support
Most popular
Builder
$25per month
For solo builders shipping real MVPs.
1,500 credits per month
Choose Builder- Durable AI coding workspace
- Live preview and code export
- GitHub and Vercel deploy flow
- Custom preview domains
Pro
$49per month
For founders and teams building every week.
4,000 credits per month
Choose Pro- Everything in Builder
- Supabase setup assistance
- Version history and restore
- Priority product support
FAQ
AI app builder FAQs
Clear answers about building full-stack Next.js apps with AI, from the first prompt to code ownership and deployment.
Still planning your app?
Start with your product idea and let the agent turn it into a working project.
Start building freeMassvai is an AI app builder that turns a product brief into a production-ready Next.js project. Its durable agent plans the work, writes clean TypeScript, and keeps the build visible in a live preview.
Yes. Describe the product, workflow, or screen you need, then let Massvai create the Next.js application. You can add Supabase, review the generated files, and iterate with the agent as the project takes shape.
Massvai is built for more than a visual prototype. It creates an exportable codebase for SaaS products, internal tools, and customer-facing web apps, so you can inspect the implementation and keep building on it.
Yes. You can inspect and export every file, sync the repository to GitHub, and use the generated Next.js code in your own workflow. There is no platform lock-in around your project files.
Yes. Massvai gives you a live preview while the agent works, so you can review the result before publishing. When you are ready, sync the code to GitHub and deploy through the guided Vercel flow.
Each agent generation uses credits. The Free plan includes 100 welcome credits, while paid plans add credits on a monthly or annual basis. You can see the current plans before choosing an upgrade.
Build your next full-stack app with Massvai.
Go from prompt to production with clean code, live preview, and one-click deployment. Start free. No credit card required.
Start building free
Free forever plan · No credit card