Progressive Web application, progressive Web application is a relatively new type of Web application, whose behavior is similar to native application and generally better than native application. They are Web applications that follow a slightly different approach and involve a set of additional technologies, such as service workers, checklists, and push notifications. Progressive Web applications can be downloaded to your device and stored on your home screen, making them accessible and "local like", and unlike Web applications, they can be accessed and used offline..

Application development: As the name implies, application development is a process of developing mobile applications, which should be simple, informative and easy to navigate. These applications are developed for personal digital assistants, mobile phones, tablets and other mobile devices, involving the participation of technology and resources, providing localized Web development and application development, software development, Web development and software customization services

The key difference between a Web application and a website is how we interact with everyone. Web applications are defined by their inputs -- we create, read, update, and delete data in a Web application. The website is defined by its output, and various website systems are customized and developed