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99xDev - Build Fullstack Web Apps using AI | Product Hunt

Full-stack web appsbuilt with AI

Describe your app in plain English. The AI agent builds, runs, and ships it for you.

Start 7-day free trialSee pricing

Card required · $0 for 7 days · Cancel anytime

How it works

From idea to live URL in four steps.

No local setup required.

  1. 1

    Describe your app

    Tell us what you want in plain words. The AI agent builds a real full-stack codebase, ready to run.

  2. 2

    AI builds for you

    Watch it write code, run migrations, wire up storage, and fix issues, with live progress in chat.

  3. 3

    Use built-in tools

    Manage your database, files, and logs in the studio. No extra services to set up for the basics.

  4. 4

    Ship your way

    When you are ready to go live on your terms, see how to ship.

See the studio

Preview, code, data, and integrations

in one workspace.

Live preview

Open your app in the Preview tab as the AI builds.

Share a preview link with teammates—or publish when you are ready.

Real full-stack code

Browse and edit your project in the Code tab.

The same React + Express app you can export when you ship.

Built-in database

Inspect tables, browse rows, and run read-only SQL in the Database tab.

SQLite with migrations ships with every project.

Integration prompts

18+ drop-in recipes—auth, Stripe, OpenAI, email, and more.

Search the library and send a prompt to the agent in one click.

When you are ready

Ship your way

You own what you build.

Publish on your hostname or take the full stack anywhere—no lock-in.

Download the code

Export a standard React + Express + SQLite repo anytime. Run it on your laptop, VPS, or cloud—the same project you edited in the studio.

Connect a custom domain

Point your own hostname at a published app. Verify DNS, set a primary domain, and we route traffic for you while you keep building.

Data without extra services

SQLite and per-project file storage are built in.

No separate database or bucket to provision.

Built-in database
SQLite with migrations, table browser, and read-only SQL built into every project. Inspect and query data without leaving the studio.
Built-in storage
Per-project object storage for uploads, images, and files. Upload, browse, and serve assets from the same workspace as your app.

And there is more

Keep iterating with the agent and bring teammates into the same workspace.

AI agent in the loop
Multi-turn builder with streaming updates, clarifying questions, and autofix when something breaks.
Workspaces and invites
Share a workspace with teammates. Invite by email with owner, admin, or member roles.

Start building today

Every plan includes the full builder studio. Card required for your 7-day trial — $0 today.

Frequently asked questions

01What kind of apps can I build?

Web apps with a React frontend and Express API backed by SQLite: dashboards, CRUD tools, landing pages with backends, and more.

02How do messages work?

Each chat turn with the AI agent uses message credits. Paid plans include a monthly allowance; you can buy message packs if you need more.

03What do paid plans include?

More projects and monthly messages, custom domains on Starter and Pro, and priority support. See pricing for details.

04How do I sign up?

Use Google sign-in or email with a one-time verification code. A card is required to start your 7-day trial — you are not charged until the trial ends.

Ready to build?

Start your 7-day trial and ship your first app with AI.

Start 7-day free trial

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