Compare B12 vs Lovable

B12

Launch an AI-generated professional website with built-in client management, online scheduling, payments, and email marketing in minutes.

0 upvotesbeginner

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Lovable

AI Website Builder ToolsFreemium

Build full-stack web apps, SaaS products, and websites by chatting with AI — no coding required.

0 upvotesbeginner

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Pricing

Pricing Comparison

B12

Free$0

AI website, basic features, B12 subdomain

No-code$1/mo

Custom domain, 3 months promo, full site

Professional$42/mo

Scheduling, payments, email marketing

Advanced$169/mo

Contracts, eSignatures, priority support

Lovable

Free$0

5 messages/day, Lovable subdomain

Starter$20/mo

100 messages/mo, custom domain, GitHub sync

Launch$50/mo

400 messages/mo, priority support

Scale$100/mo

1000 messages/mo, team collaboration

Features

Feature Comparison

B12

AI Website GeneratorClient Intake FormsOnline SchedulingPayments & InvoicingContract & eSignatureEmail Marketing & AutomationContact ManagerAI Blog WriterAI Email WriterSEO ToolsCustom DomainSSL CertificateLive Chat WidgetMobile ResponsivePassword Protected PagesService ListingsTestimonials SectionAnalytics Dashboard

Lovable

AI Chat-Based App GenerationReact Code OutputSupabase Database IntegrationUser AuthenticationStripe Payment IntegrationReal-Time PreviewGitHub SyncOne-Click DeploymentTemplate LibraryCustom DomainAPI IntegrationsComponent LibraryVersion HistoryCollaborative EditingMobile Responsive OutputThird-Party API ConnectionsFigma ImportMCP Server Support

Fit

Best For & Not For

B12

✅ Best For

✅Independent consultants, coaches, therapists, lawyers, and accountants who need a professional website that also handles client intake, scheduling, contracts, invoicing, and follow-up emails, all from a single platform without juggling five separate subscriptions.

✅Small professional service firms of 2 to 10 people that need team members to manage client relationships through a shared contact manager and collaborative website editing without a dedicated marketing hire.

❌ Not For

❌Ecommerce businesses or physical product sellers who need a shopping cart, inventory management, or fulfilment integrations beyond simple service-based payment collection.

❌Designers and creative professionals who prioritise highly bespoke visual design and want full control over typography, layout, and animations rather than a templated AI-generated look.

Lovable

✅ Best For

✅Non-technical founders and product managers who want to build and ship a working SaaS prototype or internal tool in days rather than months without hiring developers.

✅Designers and marketers who can articulate what they want to build but lack coding skills, and need a tool that produces real, deployable code rather than a mockup.

❌ Not For

❌Users who need a traditional website builder experience with drag-and-drop templates, blogging CMS, or ecommerce storefronts out of the box.

❌Enterprises with strict security and compliance requirements who need full control over their infrastructure and code review processes before deployment.

Availability

Platform & Accessibility

B12

web-based

Lovable

web-based

Use & Audience

Tasks & Who It's For

B12

Tasks

ai-design ai-productivity

Who it's for

solopreneur small-business freelancer

Lovable

Tasks

ai-coding ai-design ai-productivity

Who it's for

solopreneur freelancer small-business

Integrations

B12

E-commerce

Stripe

Other

Google CalendarDocuSign

Communication

Zoom

Marketing

Mailchimp

Automation

Zapier

Lovable

Database

Supabase

E-commerce

Stripe

Development

GitHub

Design

Figma

Other

OpenAI

Automation

Zapier

Use Cases

Real-world Use Cases

B12

Rohini, a freelance HR consultant, uses B12 to create a professional website with a client intake form and online payment page over one weekend, landing her first website-generated project inquiry the following Monday.

A solo family therapist uses B12's scheduling and eSignature tools to let new clients book an initial session and sign a consent form before their first appointment, eliminating all the paperwork from the first visit.

An accountant uses B12's invoicing and payment feature to send branded invoices with a Pay Now button directly from his website dashboard, getting paid faster without chasing clients over WhatsApp.

Lovable

Siddharth, a non-technical startup founder, describes his B2B SaaS idea to Lovable and has a working prototype with user authentication and a Stripe paywall live within 48 hours, which he then demos to investors.

A product manager at a media company uses Lovable to build an internal content scheduling dashboard over a weekend, replacing a chaotic spreadsheet-based workflow that had frustrated the team for months.

Nisha, a UX designer, builds a fully interactive app prototype using Lovable and uses the live URL to conduct user testing sessions, getting far more authentic feedback than a static Figma prototype would provide.

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