FNJ is listed first because it's ours; the rest are ordered by how closely they match what v0 by Vercel does.
01FNJ AI website builder
Made by usBest for: a marketing site you want to own as code
Responsive marketing websites: business sites, portfolios, landing pages and product marketing sites.
Designs every page from your description plus a screenshot, a link or your brand files, on a visual canvas at desktop, tablet and phone widths.
- Free plan
- No free plan. There's no trial either. The Site Pack is $29 once for 50 credits that never expire, about three complete sites of up to 10 pages.
- Paid plans from
- $29 once, or $25/month
- Code export
- Full code export. A Next.js App Router project or static HTML, downloaded or pushed to a branch of your own GitHub repository, on every plan.
- Hosting
- Host anywhere. FNJ doesn't host sites. Put the export on Cloudflare Pages, Vercel, Netlify or any host, with no FNJ runtime in the code.
Good at
- +Designs from references: screenshots, links or your own brand files
- +Desktop, tablet and phone layouts designed together, with real flex and grid
- +You keep the code: plain Next.js or HTML with no FNJ runtime
Watch out for
- −Marketing sites only: no forms, store, log-ins, databases or blog engine
- −No free plan or trial
- −You host the site yourself
02Lovable
Best for: full-stack web apps with a backend, database and log-ins, built from chat
Websites and full-stack web apps (frontend, backend, database, auth) built from chat prompts.
You describe what you want in chat and Lovable generates a working app with frontend, backend, database, authentication and integrations, backed by editable code.
- Free plan
- Free plan. Free plan: 5 build credits a day, capped at 30 a month, plus small monthly Cloud and AI grants. Apps can be published publicly on a lovable.app subdomain. No custom domain, no code editing or code download, and the Edit with Lovable badge cannot be removed. Git sync is included. Lovable may unpublish Free projects after 12 months without visits or owner logins.
- Paid plans from
- $25/month billed monthly, or $250/year billed annually (Pro, 100 credits, USD)
- Code export
- Full code export. Two-way Git sync (GitHub, GitLab, Bitbucket) on all plans; codebase download as a .zip on paid plans. New apps (from May 13, 2026) use TanStack Start; older apps use React + Vite. Export excludes database data and uploaded files, which are exported separately; the built-in backend can move to managed or self-hosted Supabase.
- Hosting
- Their hosting is optional. Lovable hosts published apps, but Lovable says apps can be hosted anywhere. An exported app runs without a Lovable subscription once it no longer calls Lovable services.
Good at
- +Generates full-stack apps (backend, database, auth) from chat
- +Git sync on every plan, including Free
- +Documented path to move code and backend off Lovable
Watch out for
- −Code download, code editing and custom domains need a paid plan
- −Free plan capped at 30 build credits a month
- −Exports exclude database data and uploaded files
03Bolt
Best for: apps and websites built by chat, with hosting and a database in one place
Websites, web apps and prototypes built by chatting with AI, with built-in hosting and database (Bolt Cloud).
You describe a website or app in plain words and Bolt's AI builds it; modes include website, app and prototype, and you can start from Figma or GitHub.
- Free plan
- Free plan. Free $0: public and private projects, 300K tokens daily limit and 1M tokens a month, website hosting on a bolt.host address (about 10 GB bandwidth and 333,333 requests a month, hard limit), Made in Bolt badge on previews and published sites. Custom domains are a Pro feature.
- Paid plans from
- $25 per month billed monthly (Pro)
- Code export
- Full code export. Download the whole project as a zip (Export > Download) and run it locally with Node.js (npm install && npm run dev). GitHub integration backs up the project and syncs commits.
- Hosting
- Their hosting is optional. Bolt Cloud hosting is built in; Bolt also documents publishing to Netlify, and code synced to GitHub can be published with another service.
Good at
- +Full project download as a zip
- +GitHub sync for backup and outside editing
- +Hosting, domains and database included in one place
Watch out for
- −Free plan shows a Made in Bolt badge and has no custom domain
- −Free sites go offline when monthly hosting limits are hit
- −Usage is metered in tokens (1M a month on Free)
04Replit Agent
Best for: building and publishing full apps, with databases, from plain-language prompts
Web and mobile apps, plus designs, slides and other artifacts, built and published from plain-language prompts.
Replit Agent turns plain-language ideas into apps and other artifacts; paid plans add Full build (more autonomous) and Plan Mode, while Starter gets Lite build.
- Free plan
- Free plan. Starter plan (free): daily Agent credits up to a monthly cap, Lite build only, one free published app that goes down after 30 days, Made with Replit badge. Third-party connectors (including Stripe) and Plan Mode need Core.
- Paid plans from
- $18/month billed annually, or $20/month billed monthly (Core)
- Code export
- Full code export. Any project can be downloaded as a zip from the file tree, and the Git tool supports two-way sync with GitHub. Databases and web addresses do not copy over automatically; workspace admins can ban source code export.
- Hosting
- Their hosting is optional. Replit publishes apps (Autoscale, Static, Reserved VM) with usage billed in credits; downloaded code can run elsewhere.
Good at
- +Agent builds and publishes full apps, including databases
- +Zip download and two-way GitHub sync
- +Stripe payments via a connector or your own keys
Watch out for
- −Free published app goes down after 30 days and shows a badge
- −Hosting and databases are billed by usage
- −Starter is limited to Lite build; connectors need Core
05Base44
Best for: apps with log-ins, a database and payments, hosted for you
Apps, websites and AI agents with built-in backend, database, user auth, payments and hosting.
You describe what you need in plain language and Base44's AI builds the frontend, backend, database, user auth and payments; you keep iterating by chatting.
- Free plan
- Free plan. Free $0: 25 message credits and 100 integration credits a month, up to 5 apps, core features (auth, database, analytics). Apps go live on a base44.app URL. Custom domains and removing the Base44 badge start on Starter.
- Paid plans from
- $16/month billed annually, or $20/month billed monthly (Starter)
- Code export
- Partial code export. Apps are React + Vite projects that call the Base44 backend through the @base44/sdk package. Two-way GitHub sync needs the Builder plan or higher; the CLI eject command copies frontend code and entity schemas into a new Base44 backend project, without data.
- Hosting
- Their hosting is optional. Base44 hosts apps; its docs say the frontend can be deployed to an external host while still using Base44 backend services. Base44 site hosting supports single-page apps only (no server-side rendering).
Good at
- +Backend, database, auth and hosting included without setup
- +Online store templates and built-in payments
- +Paid plans from $16/month on yearly billing
Watch out for
- −GitHub sync needs the Builder plan ($40/month billed annually)
- −Exported code still relies on Base44's backend SDK
- −Free plan: 25 message credits a month, badge, no custom domain
Base44 alternativesBase44 websiteSources: Pricing, Homepage FAQ, Docs: Billing and plans, Docs: GitHub integration, Docs: Project structure, Docs: Backend features and hosting, Docs: CLI eject, Docs: Custom domain, Docs: Building a website, Docs: Stripe payments, Docs: Base44 Payments (powered by Wix) 06Webflow AI site builder
Best for: designers who want visual control, a CMS and e-commerce on one platform
Websites with CMS, ecommerce and localization; Webflow Cloud also hosts web apps.
Turns a prompt into a site draft plus a starter design system built on Webflow's Flowkit CSS framework; you then add, remove or reorder sections and pages and restyle it in the Designer.
- Free plan
- Free plan. Starter site plan is free: webflow.io subdomain, 2 static pages, limited CMS, 1 GB bandwidth, 50 form submissions; removing the 'Made in Webflow' badge needs a paid site plan. The free Starter Workspace includes 200 AI credits.
- Paid plans from
- $15/month, billed yearly (Basic site plan)
- Code export
- Partial code export. Paid Workspace plans (from Core) export HTML, CSS, JavaScript and assets as a ZIP. CMS content, ecommerce, user accounts, password protection, form processing, site search, localized pages and code components do not work in the export; CMS, ecommerce and user data can be exported separately as CSV. Exported code cannot be re-imported.
- Hosting
- Their hosting is optional. Exported static pages can be hosted anywhere without attribution; CMS, ecommerce, memberships, forms and search need Webflow hosting.
Good at
- +AI output is a real design system you keep editing visually
- +HTML/CSS/JS export on paid Workspace plans
- +Native CMS and ecommerce plans
Watch out for
- −Export drops CMS, ecommerce, forms and other dynamic features
- −Code export needs a paid Workspace plan on top of a site plan
- −Free sites stay on webflow.io with the Webflow badge
