A year ago, AI app builders produced demos. Today they produce products. This guide compares the leading platforms on the questions that actually decide the choice: what you get from a prompt, what you own afterwards, and what it costs once you use it seriously.
How we evaluate
Same lens for every platform: how far a plain-language spec gets you, and how much human work remains.
Ownership and exit: what happens when you outgrow the platform or want the code.
Cost structure at real usage, not the teaser price.
Base44: fastest to a real product
Base44's pitch is completeness: database, auth, and hosting are built in, so a prompt becomes a usable, hosted app with zero wiring. The platform stays managed — you don't take the stack with you — which is exactly the trade that makes it this fast. Our full review covers where that trade bites.
Lovable: the engineer's choice
Lovable writes real React and Supabase code you can sync to GitHub and own. Architecture decisions are ones a senior engineer would defend. Costs scale with how much you iterate, so the free tier is the right place to judge it on your own idea.
The rest of the field
Bubble remains the deepest visual builder with a decade-old ecosystem — slower to a first version, far more precise on complex logic. Framer wins for marketing sites where design fidelity is everything. Neither generates full applications from a prompt the way the top two do.
Buy the tool that matches your exit plan: if you will eventually hire engineers, choose a builder that exports code.
Verdict
Choose Base44 to validate an idea this week. Choose Lovable if the prototype must become the product your team owns. Both have free tiers — judge them on your own use case before paying.
Maya Whitfield
Senior Editor
Senior Editor at DaddyPromoos. Maya has covered SaaS pricing, AI tooling, and the business of software for eight years.