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App Development
Chapter Profile
What is an App? Defining Android and iOS
Types of Mobile Apps Categories of Apps
Downloading and Installing an App Developing an App
With the advancement in technology, smartphones play an important role in our daily lives.
Although their primary function is telecommunication, smartphones now support a variety of
apps that enable tasks once considered unimaginable on these devices. You can perform various
tasks on smartphones, such as bill payments, shopping, video calling, messaging, and playing
games.
WHAT IS AN APP?
An app is a software program primarily developed for hand-held smart devices such as mobiles
and tablets. It helps the user perform their personal and professional tasks more effectively.
"App" is a modern term derived from the word "application." Thousands of apps are available
for smart devices. Most of the apps are freely downloadable from the app store. However, some
of the apps need to be purchased.
The three most popular app stores are Google's Play Store, Apple's App Store, and Microsoft
Store. Note that the Microsoft Store is not used for mobile devices but can be accessed to
download apps for computers.
There are mainly three types of applications, which are as follows:
Desktop Applications: The applications that are mainly developed for a computer or laptop
are called desktop applications. These type of applications depend on the hardware and
operating system on which they run. They are usually developed for a particular operating
system. Some examples of desktop applications are Paint, Notepad, and Word.
Mobile Applications: Mobile applications (also known as mobile apps) are software programs
that are developed for hand-held devices such as smartphones and tablets. These apps
are installed and run on the device itself. Some examples of mobile apps are Snapchat,
Google Meet, and Facebook Messenger.
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