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•  Mobile:  Mobile  application (also known  as  mobile  app) is a software  program  that  is
                     developed for hand-held devices such as smartphones and tablets. These apps are installed
                     and run on the device itself. Some of the examples of mobile apps are Snapchat, WhatsApp,
                     and Facebook Messenger.

                  •  Web: A Web app is an application program that is stored on a remote server and accessed
                     over the Internet through a Web browser interface. Some mobile apps and web apps look
                     and work in the same way, with very little difference between them. However, these two are
                     very different from each other. One of the major differences is that the Web apps require an
                     Internet connection to work.

                   i +  DEFINING ANDROID AND IOS

                  Nowadays, most mobile devices run on Android and iOS.

                  Android

                  Android is an operating system for mobile devices developed by Google. It is the
                  most commonly used operating system on mobile devices. Google and some other
                  mobile manufacturing  companies use Android  as an  operating  system for  their
                  devices. Android provides an easy-to-use and friendly environment for its users. The
                  user interface of an Android mobile looks like this:


                  iOS

                  iOS (formerly iPhone OS) is also a popular operating system developed by Apple Inc.
                  for its hand-held devices such as iPhone and iPad. The user interface of the iOS looks
                  very professional, as shown:


                   i +  TYPES OF MOBILE APPS

                  Apps  provide  specific  functionality  to  your  mobile  and  tablet  devices  in  a  more  simple  and
                  user-friendly manner. We use so many apps on our mobile devices to perform different types of
                  tasks. Generally, these apps can be divided into three types: native, web, and hybrid. Let us learn
                  about these in detail.
                  Native Apps

                  Native apps are platform-dependent which means that these apps are primarily developed for
                  a specific platform. For example, any app that is developed for iOS will not run on any other
                  platform such as Android, Windows, or BlackBerry. In other words, you cannot install the app
                  on the iOS platform because it is developed for the Android platform. Most of the apps installed
                  on your mobile device are native apps. These apps are easily accessible through app stores and
                  provide users with the fastest, most reliable, and responsive experience possible.
                  Some examples of native apps are the camera, microphone,
                  gallery,  and  address book.  However,  there  are  some
                  alternatives also available for these apps, but using native
                  apps is the easiest.



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