What is 'app' short for?
AnswerApplication
An app is a software application.
Tech · Facts & stats
App facts & stats
7 fact-checked facts about apps and app development, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
In app design, what does 'UI' stand for?
AnswerUser interface
The UI is the screens and controls people interact with.
Going deeper
In which year did Apple's App Store launch?
Answer2008
It opened in July 2008 with about 500 apps.
Which programming language did Apple introduce in 2014 for building iOS apps?
AnswerSwift
Swift was announced at WWDC 2014.
What does API stand for?
AnswerApplication Programming Interface
APIs let apps request data and services from other software.
Expert level
What is a Progressive Web App (PWA)?
AnswerA web app that can be installed and work offline like a native app
PWAs use service workers and a manifest to act like installed apps.
Google's Flutter app framework uses which programming language?
AnswerDart
Flutter apps are written in Dart.
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