Flutterflow is a low-code platform built on Google's Flutter framework, enabling startups to rapidly develop cross-platform applications with a user-friendly visual interface. It offers benefits such as quick development, cost-effectiveness, and the ability for non-technical users to contribute, making it ideal for early-stage businesses. Despite some limitations, Flutterflow's scalability, customization capabilities, and strong community support make it a valuable tool for entrepreneurs looking to innovate in a competitive market.