Mobile apps and mobile devices

Locale

Hybrid Apps

Web Apps

Native Apps

Utility

Productivity

Immersive Full Screen

Entertainment

Widgets

Device Functions

Programming Environment

Programming Language

Operating system

User Interface

Device permissions

A native app is a software application built in a specific programming language, for the specific device platform, either iOS or Android. Native iOS apps are written in Swift or Objective-C and native Android apps are written in Java.

An operating system is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer's language.

A web application is a computer program that utilizes web browsers and web technology to perform tasks over the Internet.

Hybrid apps are essentially web apps that have been put in a native app shell. Once they are downloaded from an app store and installed locally, the shell is able to connect to whatever capabilities the mobile platform provides through a browser that's embedded in the app.

The user interface is the point at which human users interact with a computer, website or application. The goal of effective UI is to make the user's experience easy and intuitive, requiring minimum effort on the user's part to receive the maximum desired outcome.

A widget is an element of a graphical user interface (GUI) that displays information or provides a specific way for a user to interact with the operating system or an application.
Widgets include icons, pull-down menus, buttons, selection boxes, progress indicators, on-off checkmarks, scroll bars, windows, window edges (that let you resize the window), toggle buttons, form, and many other devices for displaying information and for inviting, accepting, and responding to user actions.

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