The world's most affordable AI app builder — from $0/month. AI-generated apps for fractions of a cent. See pricing →

Spin any idea into a website/app

with Spinini — instantly.

A browser-based cloud IDE with a built-in AI agent. Write a prompt, get a working website, android or ios app. No setup, no config, no BS.

What will you build?

You can always make changes later.

Ctrl+Enter to start

Trusted by teams at

StripeVercelLinearNotionFigmaSupabasePlanetScaleResendCloudflareTailwindPrismaRailwayStripeVercelLinearNotionFigmaSupabasePlanetScaleResendCloudflareTailwindPrismaRailway

Everything you need to build

From idea to deployed app — all in your browser.

Spinini AI Agent

Describe your app and watch AI build it file by file, in real time.

Instant Preview

See your changes live in a split-pane preview — no refresh needed.

Cloud IDE

Full VS Code-powered editor with syntax highlighting, autocomplete, and more.

Docker Sandbox

Every project runs in an isolated container. npm install, pip install — just works.

One-Click Deploy

Publish your app with one click and get a free subdomain instantly.

Built-in Git

Version control, checkpoints, and restore — all built into the editor.

$0to start buildingFree tier, forever
Fractionsof a cent per featureAI so cheap it feels free
10×cheaper than competitorsvs Replit, Cursor, Bolt

How it works

From zero to deployed in minutes.

01

Choose a template

Start with Node.js, React, Python, Flask, or a blank project.

02

Build with AI

Chat with the AI agent or code yourself. Your container spins up instantly.

03

Deploy & share

One click to publish. Share your link with anyone in the world.

See it in action

A real cloud IDE — right in your browser.

Editor

Code and preview side by side

Edit your code and see changes reflected live in the preview pane — no manual refresh, no waiting. Monaco Editor gives you VS Code-quality editing in the browser.

  • Syntax highlighting for 50+ languages
  • Autocomplete & IntelliSense
  • Split-pane live preview
  • Auto-save with file tree
editor — live preview split
testRunningPublish✦ Spinini AIAgentBuild me a todo appBuilding your app…✓ Created App.tsx✓ Created TodoList.tsx✓ Created index.css✓ npm install (3 packages)▸ Starting dev server…Live preview updated →Ask the agent to build or change…Sendmy-todo-app.spinini.comMy Tasks3 of 5 completedDesign the landing pageConnect the databaseWrite the API routesAdd user authenticationDeploy to production
Spinini AI — building a full SaaS app
✦ Spinini AIYouBuild a SaaS dashboard with auth,charts, and Stripe billing✓ src/app/dashboard/page.tsx✓ src/components/Chart.tsx✓ src/app/api/stripe/route.ts▶ npm install recharts stripe + recharts@2.12.0 + stripe@14.21.0 Starting Next.js dev server...7 files created • 23 packagesdashboard/page.tsxChart.tsx'use client'import { AreaChart, Area, XAxis, YAxis, CartesianGrid, Tooltip } from 'recharts'const data = [ { month: 'Jan', revenue: 4200 }, { month: 'Feb', revenue: 6800 }, { month: 'Mar', revenue: 5900 }, { month: 'Apr', revenue: 8100 }, { month: 'May', revenue: 9400 }, { month: 'Jun', revenue: 11200 },]export default function Dashboard() { return ( <div className="p-8 bg-gray-950 min-h-screen">
Spinini AI

Describe it. Watch it get built.

Type what you want to build. Spinini AI writes every file, installs dependencies, and starts the app — you watch it happen in real time. No boilerplate. No setup.

  • Streams file writes live to your editor
  • Installs npm/pip packages automatically
  • Fixes errors from terminal output
  • Start from a prompt, not a template
Dashboard

All your projects, one place

Your project dashboard shows live preview thumbnails of every app you've built. One click to jump back into the editor or open the live site.

  • Live thumbnail previews
  • Published status & subdomain link
  • Sort by language or last updated
  • Create from 10+ starter templates
dashboard — your projects
✦ SpininiMy Projects+ New Project5 projectsSaaS DashboardNext.jsLive ✓spinini.com/p/saas-dashboardOpen EditorAI Chat AppReactLive ✓spinini.com/p/ai-chat-appOpen Editorfrom flask import Flask, jsonifyapp = Flask(__name__)@app.route('/api/users')def users(): return jsonify(data)Flask REST APIPythonDraftspinini.com/p/flask-apiOpen Editor
Built with Spinini

Real apps. Built in minutes.

From SaaS dashboards to social feeds — developers ship production-quality apps with Spinini every day.

dashboard.myapp.com
AnalyticsDashboardReportsUsersSettingsBillingOverview — June 2026ExportRevenue$48,291+12% vs last monthUsers12,847+8% vs last monthChurn2.1%-0.3% vs last monthRevenue (last 6 months)JanFebMarAprMayJunTop UsersAAlice K.BBob M.CCarol S.DDave R.EEve L.

Build in any language

Every popular language and framework, ready to go.

JavaScriptTypeScriptPythonReactNode.jsFlaskNext.jsHTML/CSSExpressFastAPI

Loved by builders

I shipped a full SaaS app in a weekend. The AI agent wrote 80% of the code.

A

Alex M.

Indie Hacker

Best online IDE I've used. The Docker integration is seamless and the preview is instant.

S

Sarah K.

Frontend Engineer

My students love it. No setup friction — they go from idea to running code in minutes.

D

Dr. James L.

CS Professor

Simple pricing

Start free. Scale as you grow.

Starter

Free

For learners and hobbyists

  • 100 credits/month
  • 3 projects
  • Docker sandbox
  • Full IDE (Monaco editor)
  • Community support
Get started free
MOST POPULAR

Core

$10/mo

For indie developers and builders

  • 2,500 credits/month
  • Unlimited projects
  • AI Chat assistant
  • AI Agent mode
  • Email support
Start Core

Pro

$30/mo

For teams and power builders

  • 10,000 credits/month
  • Unlimited projects
  • AI Agent mode
  • AI Chat assistant
  • Custom domain
  • Team multiplayer
  • Priority support
Start Pro

Enterprise

$95/mo

For organisations at scale

  • 50,000 credits/month
  • Everything in Pro
  • Dedicated container resources
  • SSO & advanced security
  • SLA & priority support
  • Onboarding assistance
Contact sales

See full pricing details →

Ready to build?

Join thousands of developers building with AI. No credit card required.

Get started for free

Free tier includes 100 credits/month. No credit card needed.