Criador de apps com AI para Next.js

Crie apps prontos para produção, a partir de um único prompt.

A Massvai transforma sua ideia em um app full-stack Next.js com TypeScript limpo, prévia ao vivo, Supabase, sincronização com GitHub e publicação no Vercel com um clique.

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
TypeScript
import { 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

Production
Your 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.

Launch a SaaS MVP

Build authentication, dashboards, database flows, and billing-ready UI in one project.

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

Perguntas frequentes

Perguntas frequentes sobre o criador de apps com IA

Respostas claras sobre criar apps Next.js full-stack com IA, do primeiro prompt à propriedade do código e à implantação.

Ainda está planejando seu app?

Comece com sua ideia de produto e deixe o agente transformá-la em um projeto funcional.

Comece grátis

Massvai é um criador de apps com IA que transforma um briefing de produto em um projeto Next.js pronto para produção. Seu agente durável planeja o trabalho, escreve TypeScript limpo e mantém a criação visível em uma prévia ao vivo.

Crie seu próximo app full-stack com a Massvai.

Vá do prompt à produção com código limpo, prévia ao vivo e publicação com um clique. Comece grátis. Sem cartão de crédito.

Start building free

Free forever plan · No credit card