Choose Lovable for a polished web app and a more established end-to-end workflow; consider Emergent when mobile output or a more autonomous agent-led build is central to the brief. Lovable ($25/month) combines visual building with Lovable Cloud—database, authentication, storage, functions and jobs—or optional Supabase, plus Git-based code ownership and managed hosting. Emergent starts at $20/month and positions its agent workflow across both web and mobile builds.
For the founders and small businesses this site serves, Lovable is the primary recommendation for web products because the build, backend, testing and operating path is clearer in one product. Emergent is a conditional option when mobile is a real requirement or when you deliberately want to test a more autonomous workflow. Do not decide from the category label alone: build the same core flow on both, and for mobile verify device behavior, authentication, notifications, packaging and store submission before treating a prototype as launch-ready.