Comparison · AI builder for React web apps

builder77 vs Lovable

Lovable and builder77 both turn a chat description into a working web app. Lovable generates a React + TypeScript project and connects a backend through Supabase; builder77 ships every app with its own built-in backend and adds mobile apps with a Flutter export.

Try builder77 free See the comparison

builder77 in one sentence

Best if you want a backend that is already running, mobile apps with a Flutter export, and an app that speaks your language — without connecting outside services.

Lovable in one sentence

Best if you want a React/TypeScript codebase synced to GitHub and plan to keep developing it with your own engineering tools.

Side by side

Features, trade-offs included

Based on public information as of October 2026. Competitor prices change often, so we link to their pricing instead of quoting it.

	builder77	Lovable
How you build	Chat, click-to-edit in the preview, code editor	Chat, visual edits, code editor
Generated stack	Plain HTML, Tailwind and JavaScript (web); Flutter (mobile export)	React + TypeScript (Vite) web apps
Database & auth	Built in: database, user auth, file storage, email and AI — nothing to connect	Through the Supabase integration (or Lovable Cloud), connected per project
Mobile apps	Installable PWA for published apps + Flutter source code export	Responsive web apps; no Flutter export
Code ownership	Full code editor; ZIP export of the web project and Flutter project download from Starter	Two-way GitHub sync
Languages	29 interface languages; the AI writes your app in the language you write in	Editor interface in English; prompts in other languages work
Pricing model	Free to build, preview and launch one app for 7 days; paid plans from $12/mo ($10/mo billed yearly)	Free tier plus credit-based paid plans — see lovable.dev/pricing

builder77 details from our pricing page. Free plan: build, share 7-day previews and launch one app free for 7 days; permanent hosting starts on Starter.

Which one fits?

Pick the tool that fits how you work

Choose builder77 when

You don't want to set up or pay for a separate backend service
You need a mobile app and want the Flutter source code for the app stores
You (or your customers) work in a language other than English
You want simple, readable HTML/JS you can host anywhere

Choose Lovable when

Your team works in React and TypeScript and wants a GitHub-first workflow
You want to use the wider Supabase ecosystem (edge functions, row-level security policies you manage yourself)
You prefer a large existing community of tutorials and templates around one stack

The fairest test: build the same small app in both. builder77 is free to try without signing up.

FAQ

builder77 vs Lovable, answered

More comparisons: Bolt, Replit, v0, Bubble, FlutterFlow and base44.

Yes, for most web apps and websites. Both build working apps from a description. builder77 includes the backend instead of connecting Supabase, adds mobile apps with a Flutter export, and lets you work in 29 languages.

There's no automatic importer. Describe the app (or attach screenshots) in a new builder77 project and refine it from there; data can be added through the REST API.

It depends on how much you build. builder77 starts at $12/month ($10/month billed yearly) and database, auth and hosting don't use credits. Check Lovable's pricing page for its current plans, since competitor prices change often.

See the difference for yourself

Describe your app and get a working first version in about a minute. No credit card required.

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Disclaimer
Lovable information is based on public sources as of October 2026; features and plans may have changed since. Lovable is a trademark of its respective owner; builder77 is not affiliated with or endorsed by Lovable. Spotted an error? Tell us through the contact form and we'll correct it.