April 2020
Intermediate to advanced
400 pages
10h 12m
English
The App Store is an application distribution platform for iOS, developed and maintained by Apple. It is a centralized online store where users can browse and download both free and paid apps. These apps expand the functionality of a mobile device. As of the first quarter of 2019, there were 2.2 million applications in the App Store.
Apps available in the App Store are generally written by third-party developers. Developers use Xcode and the iOS software development kit (SDK) to develop applications. Later, they submit the app to Apple for approval. Apple follows an extensive review process to check the app against the company's guidelines. If Apple approves the app, it is published to the App Store, where users can download ...