Progressive Web App is built with web technologies but gives a feel rivalling with native apps. It turns a website into a fully-fledged Android or iOS app. With PWA, app development is quick, reliable and secure. Flutter is a mobile app SDK that allows you to create high-quality native apps on iOS and Android. It is also the primary way to develop cross-platform apps with Google's new Fuchsia operating system. Without knowing it, you have probably been using applications developed with Flutter. As a result of iOS and Android becoming the main platforms for mobile app development, it’s become appealing for founders and developers to create cross-platform products. This is why different technologies project management in software engineering have surfaced in order to accommodate cross-platform mobile applications. One of the latest additions to this mix is Flutter.