A web app is a website that is designed to be accessible on all mobile devices. The accessibility of a device's features depends upon the browser a user is using for a web app.    Whereas PWAs are a kind of web apps that are smaller and have a faster loading than native web applications. They also have lower bounce rates. Furthermore, Progressive Web Applications support most of the features of the hardware device and native apps such as offline support, push notifications, etc.    This is the main difference between a web app and a PWA. Other differences include the costs of development. PWAs demand lower development and maintenance costs. Moreover, they are more discoverable and secure than traditional web apps.