Page 152 - TP_Prime_V2.2_Class8
P. 152
EXPLORE MORE
App Development
What is an App?
Prime (Ver. 2.2)-VIII 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. 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 from the app store.
The three most popular app stores are Google’s Play Store, Apple’s App Store, and Microsoft
Store. However, the Windows Store is not in use for mobile devices. But can download the apps for
150 your computer from the Windows Store.
There are mainly three types of applications:
• Desktop: The application that is mainly developed for computer or laptop is called a desktop
application. 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
applications 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. Some of the mobile apps and Web apps
look and work in 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.
Defining the Android and iOS
Nowadays, most of the 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 in mobile devices. Google and some
other mobile manufacturing companies use the Android as operating system
for their devices. Android provides an easy to use and friendly environment to
their users. The user interface of an Android mobile looks like this:
Android

