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Mobile apps are a key part of our daily lives, from games to communication tools. In this
chapter, you will explore how they work and how institutions like MIT contribute to creating
these essential tools. Let’s dive into the world of app development.

WHAT ARE APPS?

Apps are software programs for smartphones, tablets or computers that perform tasks
like learning, gaming, chatting or watching videos. The app is
a modern term derived from the word application. Many
apps are free, while some need to be purchased. They’re
designed to meet various needs, such as gaming, online
classes, music, communication and video streaming.

You can download apps from stores like the Google Play
Store (for Android) or App Store (for iPhone).

FEATURES OF MOBILE APPS

Mobile apps have many features that make them fun, helpful and easy to use. Here are
some of the main features of mobile apps:
Easy to use: Apps are simple and user-friendly, allowing even children to learn quickly

by tapping icons.

Safe and secure: Verified apps protect your data and let you control settings like
notifications and privacy.
Notifications: Apps can send alerts or reminders, like when you get a message or
when it’s time to study. These help you stay updated.
Touch-friendly: Most apps are designed for touch, allowing you to tap, swipe or pinch
the screen without needing a mouse or keyboard.

TYPES OF MOBILE APPS

Mobile apps are divided into three types: Native Apps, Web Apps and Hybrid Apps. Let’s

learn about them in detail.

NATIVE APPS

A native app is software built for a specific operating system, like iOS or Android.
Downloaded from app stores, it runs smoothly by
interacting directly with the device’s hardware and

can often work without the Internet. For example,
Instagram, Amazon, WhatsApp, etc.

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