Reviewers mostly see v0 as a strong UI prototyping and landing-page tool: it turns rough prompts or screenshots into clean React/Tailwind quickly, with fast iteration and useful design sense. Several say it fits well into Next.js workflows and can get close to production for frontend work. But the praise is narrower than “full product” use. Common limits are vague-prompt drift, weak handling of backend, state, and complex flows, plus styling mismatches, bugs, and credit or pricing friction. Even supportive users often treat it as a starter, not the final build.