Developing a small business web app with logins and per-user data is a task where prototype polish quickly collides with deployment plumbing. The visible components - a login form, a profile screen, and a data table - can be generated in under ten minutes by virtually any generative interface platform. The actual difficulty lives entirely in the runtime infrastructure: configuring a database schema, establishing secure session tokens, and insuring that User A can never manipulate the state of User B.
Replit diverges from Anything by dropping the builder into a full-scale cloud-based Integrated Development Environment, powered by background server containers and a self-improving autonomous development agent. Anything operates further up the visual stack, combining an interactive mockup-like prompt-to-app canvas with basic database triggers. One expects you to manage virtual machines; the other asks you to trust its proprietary visual environment.