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Chapter Profile
8 Chapter Profile What is an App?
Defining the Android and iOS
Types of Mobile Apps
Categories of Apps
App Downloading and Installing the App
Developing an App
Development
With the advancement in technology, smartphones play an important role in our daily life. However,
the main function of the smartphones is telecommunication, but now with the help of apps, you
can do many things which were previously unimaginable on smartphones. You can perform various
tasks on smartphones such as online bill payment, online shopping, video calling, chatting, and
playing game.
WHAT IS AN APP?
An app is a software program primarily developed for hand-held smart devices such as mobile
and tablet. It helps the user to perform their personal and professional tasks more effectively. The
app is a modern term derived from the word application. Generally, the word app is used to refer
the applications on smart devices such as mobiles and tablets. Nowadays, thousands of apps are
available for smart devices. Most of the apps are freely downloadable from app store. However,
some of the apps need to purchase.
The three most popular app stores are Google’s Play Store, Apple’s App Store, and Microsoft
Store.
There are mainly three types of apps, which are:
Desktop: The application that is mainly developed for computer or laptop is called a desktop
apps. This type of application depends of the hardware and operating system on which it run.
It is usually developed for a particular operating system. Some of the examples of desktop apps
are Paint, Notepad, and Word.
Mobile: Mobile application (also known as mobile app) is 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. Unlike desktop and mobile apps, Web apps do
not require installation and can be accessed from any device with an internet connection and
compatible Web browser.
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