An in-depth comparison of two popular AI app builders. We compare features, pricing, deployment speed, and help you choose the right tool for your project.
| Aspect | JustCopy.ai | Lovable.dev |
|---|---|---|
| Best For | Cloning sites, fast deployment | Building from scratch |
| Speed | Under 2 minutes | 5-10 minutes |
| Free Tier | 3 builds/day, 5 projects | Limited + badge |
| Backend | Built-in | Via Supabase |
| Starting Price | $9.99/mo (free plan available) | $25/mo (Pro) |
Lovable figures checked September 2026 on lovable.dev/pricing: the free plan gives 5 build credits a day, capped at 30 a month; Pro is $25 a month.
JustCopy.ai is the fastest AI app builder focused on getting you from idea to production in under 2 minutes. Unique website cloning capability lets you clone any site, or build from scratch. Includes built-in backend, auth, and payments.
Lovable (formerly GPT Engineer) is an AI app builder that creates full-stack applications from text prompts. Known for polished UI and excellent onboarding. Integrates with Supabase for backend features.
| Feature | JustCopy.ai | Lovable.dev |
|---|---|---|
| Primary Approach | Clone or build from URL/prompt | Build from scratch with prompts |
| Deployment Speed | Under 2 minutes | 5-10 minutes |
| Free Plan | 3 AI builds a day, 5 projects | Limited generations |
| Free Tier Badge | Badge on Free plan, removed from $9.99/mo | "Made with Lovable" badge required |
| Backend Database | Built-in (Postgres) | Via Supabase integration |
| Authentication | Built-in auth system | Via Supabase |
| Payment Integration | Stripe built-in | Manual setup required |
| AI Agents | Rosa (front desk) and a follow-up agent, from $49.99/mo | Not available |
| Custom Domain | From $9.99/mo | Paid plans only |
| GitHub Export | One-click export | Available |
| Website Cloning | Yes - core feature | No - build only |
| Starting Price | $9.99/month (Free plan available) | $25/month (Pro) |
One of the biggest differences between these platforms is deployment speed:
Under 2 minutes vs 5-10 minutes for Lovable
3 AI builds a day and 5 projects with no card required, vs a daily credit cap and a required badge
Core feature - clone any site. Lovable doesn't offer this
Built-in database, auth, payments vs separate Supabase setup
Both excel at prompt-to-app generation
Larger established community and resources
Polished interface, excellent onboarding
Faster, more features, better free tier, unique cloning capability
The key difference is approach: JustCopy.ai can clone existing websites in under 2 minutes AND build from prompts, while Lovable only builds from scratch. JustCopy also includes built-in backend (database, auth, payments) while Lovable requires Supabase integration for backend features.
JustCopy.ai is significantly faster. You can go from prompt or URL to live website in under 2 minutes. Lovable typically takes 5-10 minutes for deployment. If you're cloning an existing site, JustCopy's speed advantage is even more dramatic.
Yes, on the Free plan — same as Lovable. JustCopy's Free plan gives 3 AI builds a day and 5 projects; removing the badge and adding your own domain starts at $9.99/month (Hobby).
No. Lovable is built for creating apps from scratch using prompts. JustCopy.ai's website cloning is a unique feature that lets you input any URL and get a working clone in minutes - something Lovable doesn't offer.
JustCopy.ai has superior built-in backend features including database (Postgres), authentication, and Stripe payments. Lovable requires you to set up and configure Supabase separately for backend functionality.
Both are beginner-friendly. Lovable has excellent onboarding and UI polish. JustCopy.ai is faster and simpler - just paste a URL to clone or describe what you want. For absolute beginners who want results quickly, JustCopy.ai's cloning feature is unbeatable.
Clone any website or build from scratch. Deploy in under 2 minutes with built-in backend, auth, and payments.
3 AI builds a day, free • No credit card required • No badge from $9.99/mo