A web application is a client-side and server-side software programme that the client uses in a web browser to execute or request. Email, online retail sales, online auctions, wikis, instant messaging services, and other web applications are common.
The collection of techniques and procedures involved in building software for tiny, wireless computing devices is known as mobile application development. Mobile application development, like Web application development, has its origins in older software development methods.
Using mobile-friendly portal interfaces to integrate web services, WCF services, REST services, and apps.