Where to host an app an AI tool built for you

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"Vibe coding," building an app by describing what you want to an AI tool rather than writing code yourself, has made it realistic for a non-developer to end up with a working app in an afternoon. The part that trips people up next is hosting: where does this thing actually live once it's built, and does that choice lock you into anything.

Option one: the AI builder's own built-in hosting

Emergent, an AI app builder that converts a natural-language description into a working application through conversation with AI agents, is a good example of this path: it provides built-in, production-ready hosting with every plan, confirmed directly on its own site, including databases and APIs already set up so you can "go live" without touching a separate hosting platform. Its plans run Starter at $17 a month for individual builders, Power User at $167, and Team at $250, each including monthly build credits with the option to buy more.

The genuine advantage here is speed: no separate deploy step, no DNS configuration, no choosing between hosting platforms. The trade-off is that you're generally tied to that builder's own infrastructure and pricing for as long as you host there, though Emergent specifically states that you can download your generated code and host it elsewhere, which is a meaningfully different (and better) position than a builder that keeps your code locked inside its own platform with no export path.

Option two: deploy the code independently

Once an AI-built app exists as real, downloadable code, usually a standard web framework like Next.js, React or a similar stack, you can deploy it to any general-purpose hosting platform, the same way you would code written by a human developer.

Vercel

Vercel, a hosting platform built by the same team behind the Next.js framework, offers a free Hobby plan that includes 1 million CDN requests and 100GB of data transfer a month, with a Pro plan at $20 a month per developer seat for 10 million requests and 1TB of transfer. Because Vercel builds Next.js itself, an AI-built app using that framework tends to deploy with the fewest surprises here. If you are weighing the two, Netlify vs Vercel for a small business site or app goes through the trade-offs.

Netlify

Netlify, a platform for deploying websites and apps from code with its own deploy pipeline, previews and AI-assisted editing, runs on a credit-based model: Free at $0 a month (300 credits), Personal at $9 (1,000 credits), Pro at $20 a month (3,000 credits, unlimited team members). If your app needs a contact form or basic login, Netlify's built-in Forms and Identity features (both free on credit-based plans) can save you from building that logic yourself, which matters if your AI-generated app didn't already include it properly. Beyond connecting a Git repository, Netlify also supports uploading your code directly if your project isn't version-controlled yet, and its own Agent Runners feature (confirmed live on netlify.com) can deploy and manage an AI-built project through the dashboard with AI-assisted agent tooling rather than a fully manual setup.

Render

Render hosts both static frontends and running backend services under one account, with genuinely free static site hosting and custom domain allowances by plan (2 on Hobby, 15 on Pro, 25 on Scale, confirmed on Render's own documentation). This matters specifically for an AI-built app with a real backend, a database-backed app rather than a simple static site, since Render can host both halves together rather than splitting them across two platforms.

What actually changes when you move off the builder

Moving from an AI builder's own hosting to an independent platform isn't just a change of address for your app. A few things genuinely shift:

• You take on responsibility for configuration. Environment variables, database connections and any third-party API keys that the builder handled automatically now need to be set up correctly by you or a developer on the new platform.
• You gain the ability to add things the builder couldn't do. A custom integration, a specific compliance requirement, or a feature outside what the AI builder's tooling supports becomes possible once the code lives somewhere you fully control.
• You lose the builder's one-click "it just works" convenience. Deploying independently means understanding (or hiring someone who understands) how your specific app's pieces, frontend, backend, database, fit together on the new platform, rather than relying on the builder's packaged setup.
• Your ongoing cost shifts from one bundled subscription to separate line items. Instead of one monthly fee covering build credits and hosting together, you're now paying your hosting platform directly, and potentially a developer separately for anything the AI tool can't maintain reliably on its own.

None of this means moving is a bad idea once your app has outgrown the builder; it just means the move itself is a real project, not a one-click export, and it's worth budgeting time (or a developer's time) for it rather than assuming it's instant. After the move, you can put the app online under your own domain.

Which one fits your app

Your situation	Pick
Want the fastest path, no separate deploy step	The AI builder's own hosting (e.g. Emergent)
Built with Next.js specifically	Vercel
Want a form or basic login without extra setup	Netlify
App has a real backend and database, not just a frontend	Render
Want full control and the cheapest long-term cost at scale	Any of the independent platforms, once the code is downloaded

When to move off the AI builder's own hosting

• You're getting real, paying users and want pricing and infrastructure control that isn't tied to one builder's roadmap.
• You need a feature the builder's hosting doesn't support (a specific integration, a compliance requirement, a particular database).
• You want to bring in a developer to extend the app, which is usually easier against a standard hosting platform than inside a closed AI-builder environment.
• The builder's own hosting costs more at your actual usage than deploying the downloaded code independently would.

If your AI builder, like Emergent, genuinely lets you download the code with no lock-in, this move is realistic without starting over. If it doesn't offer a clean export path, that's worth knowing before you build something you can't take with you later.

A worked example: a simple booking app

Say an AI tool built you a basic appointment-booking app with a form, a calendar view and an email confirmation. If it was built through a tool like Emergent with built-in hosting, your fastest path to a working, live app is its own infrastructure, with no extra deploy step. Once real customers start booking through it and you want a contact form upgraded into something smarter, or an integration with a calendar tool you weren't expecting to need, that's the point to download the code and deploy it on Netlify or Vercel instead, bringing in a developer if the app needs changes an AI tool alone can't reliably make.

How I'd approach this

For a first version, I'd use whatever hosting is fastest, usually the AI builder's own, since the point of building with AI in the first place is speed. The moment the app is doing real business, handling real customer data, or needs a feature the builder can't reliably produce, that's when I'd move the code to a standard platform and bring in a developer to finish the parts an AI tool got mostly right but not completely right. This is exactly the kind of project I take on regularly: an AI-built app that got someone 80% of the way, where the fastest path to a real, reliable product is a developer finishing the last 20% properly rather than more AI prompting.