11 ai app builders with a genuinely free tier — Lovable, FlutterFlow AI, Create.xyz and more, rated and compared so you know the limits before you sign up.
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Free tier available (11)
Freemium: a real free tier with limits, and paid plans once you outgrow it.
Lovable — Full-scale companion that turns complex ideas into fully deployed web applications in standard React and Tailwind. (Freemium, rated 4.9/5)
FlutterFlow AI — Generate complete native cross-platform mobile programs with Flutter code directly from descriptions. (Freemium, rated 4.8/5)
Create.xyz — A high-fidelity prompt sandbox that instantly spins up functioning database tables, integrations and layouts. (Freemium, rated 4.8/5)
Replit — Write, host, and launch dynamic web apps instantly from a cooperative in-browser container workspace. (Freemium, rated 4.7/5)
Builder.io — A headless CMS and design interpreter that translates design layouts into fully functional react/vue blocks. (Freemium, rated 4.7/5)
Retool — Builds internal tools over your existing databases and APIs, generating the interface from a description. (Freemium, rated 4.7/5)
Bubble AI — The power of Bubble's massive visual programming editor, now supercharged with prompt-driven AI builders. (Freemium, rated 4.6/5)
Softr AI — Convert your workspace sheets and Airtable databases into gorgeous member portals in seconds. (Freemium, rated 4.6/5)
Tempo Labs — An intelligent designer specialized in directly parsing and editing raw React source files dynamically. (Freemium, rated 4.6/5)
Replit Agent — Builds and runs a working app from a prompt entirely in the browser, with hosting attached. (Freemium, rated 4.6/5)
Softgen — A startup-friendly application incubator that scaffolds SaaS modules like payments, profiles, and databases. (Freemium, rated 4.5/5)