Choosing Between a Website and a Web App

A marketing website exists to inform and convert visitors; a web application exists to let users do something — manage data, complete tasks, or interact with a system. Understanding which one you actually need shapes everything from your budget to your timeline. If your goal is explaining what you do and generating leads, a website is almost always the right, faster, cheaper answer. If your goal is letting logged-in users manage ongoing data, you need a web app.