Vibe coding tools

What is Lovable, and how good is it for building apps?

Lovable is an AI app builder that turns prompts into React web apps with a backend and hosting. What it builds, how credits work, and what to check at launch.

Lovable is an AI app builder: you describe an app in a chat and it generates a working React web app with Tailwind CSS, connected to a backend for data and login, and hosted on a Lovable address or your own domain. It is fast for prototypes, and generated apps still need checks for security, SEO and accessibility.

Published 9 November 2026 · Last updated 9 November 2026

By Michal Měřínský. Audit methodology.

What Lovable builds

A frontend in React, TypeScript and Tailwind CSS, built with Vite.
A backend through Lovable Cloud or a connected Supabase project: database, authentication, storage and functions.
Hosting, with a default Lovable address and custom domains.
A GitHub sync, so the code can be exported and edited elsewhere.

How plans and credits work

Lovable uses credits for chat and building, with a free plan that includes a small daily allowance and paid Pro, Business and Enterprise plans with more. Hosting and the built-in backend are billed as Cloud usage, with monthly grants on Free, Pro and Business. Enterprise terms are account-specific. Check the plans page for current prices and allowances.

What it is good at

Turning an idea into a clickable, working app in an afternoon.
Standard patterns: dashboards, forms, CRUD apps, landing pages with sign-up.
Iterating visually with a non-technical team.

What to check before launch

Search and link previews: a Vite React app renders in the browser, so check that each route has its own title and description and that link previews show the right page.
Single-page app routing: unknown URLs often return the app with status 200 instead of a 404.
Database access: if you use Supabase, confirm row level security is enabled with policies on every table.
Secrets: API keys belong in the backend secrets settings, never in frontend code.
Accessibility: check keyboard navigation, labels and alt text in generated components.
Legal: add a privacy policy and terms, and cookie consent if you add analytics.

Lovable can change many files from one prompt. Keep GitHub sync on, so you can see and undo what changed.

When to move beyond it

If the app grows complex, needs server rendering for SEO, or a developer joins, export to GitHub and continue in an editor such as Cursor or with an agent such as Claude Code, keeping the same Supabase backend.

What a scan can and cannot tell you

WebAuditOS checks a Lovable app as it is deployed: served versus rendered content, duplicate titles, Open Graph tags, Content Security Policy, real 404s and the rest of the technical basics.

It cannot see your Lovable project, backend rules or the code itself.

The two most common findings on freshly published Lovable apps are one shared title across routes and unknown URLs returning 200. Both take minutes to fix.

Short answers

Is Lovable free? There is a free plan with a small daily allowance of credits.

What tech does Lovable use? React, TypeScript, Tailwind CSS and Vite, with Lovable Cloud or Supabase.

Can I export my Lovable code? Yes, through GitHub sync.

Is Lovable good for SEO? It needs extra care, because apps render in the browser by default.

In the product

The checks this maps to

Every check named here runs on every scan, on every plan - what a plan changes is how many pages are crawled, how long the history is kept and what you can do with the result. These are the ids the findings carry, so you can match a line in a report to the explanation above.

seo.js-rendered-content - Content is present in the served HTML
seo.title.unique - Titles are unique across pages
seo.og.basic - Open Graph tags present
sec.headers.csp - Content-Security-Policy header
tech.custom-404 - Unknown URLs return 404

Run a free audit See a full sample report See the whole check library