What Is App Store (iOS) And How To Access????

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A digital application distribution platform

Picture of the new App Store UI on iPhone 5

The Apple App Store is a digital application distribution platform for iOS(previously iPhone OS) developed and maintained by Apple Inc. The service allows users to browse and download applications from the iTunes Store that were developed with the iOS SDK( Software Development Kit for iPhone OS) published
through Apple Inc.Depending on the application, they are available either for free or at a cost. The applications can be downloaded directly to a target device, or downloaded onto a personal computer (PC) or Macintosh via iTunes.

The App Store is accessible from the iPhone, iPod Touch and iPad via an iOS application by the same name. It is also the only way to directly download native applications onto an iOS device without jailbreaking the device. Web applications can be installed on these devices, bypassing the App Store entirely, but they tend to have less functionality. The store is also accessible through iTunes, and then on any operating system for which iTunes is provided (Mac OS X and Windows).

A screenshot of the App Store on an iPad.

To run an application on the iPhone, the application must be signed. This signed certificate is only granted by Apple after the developer has first developed the software through either the US$99/year Standard package or the US$299/year Enterprise package with the iOS SDK( Software Development Kit for iPhone OS).