IOSwikipedia

iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.
iPhone OSApple iOSiPhoneiPadApple's iOSiOS devicesiOS 4.0iOS (Apple)iPhone and iPadiOS platform
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IPhone

iPhonesiPhone appApple iPhone
It is the operating system that presently powers many of the company's mobile devices, including the iPhone, iPad, and iPod Touch.
iPhone is a line of smartphones designed and marketed by Apple Inc. All generations of the iPhone use Apple's iOS mobile operating system software.

List of iOS devices

iOS devicesiDeviceiOS device
iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.
This is a list and comparison of devices designed and marketed by Apple Inc. that run a Unix-like operating system named iOS, often colloquially referred to simply as iDevices.

IPad

iPadsApple iPadApple iPads
It is the operating system that presently powers many of the company's mobile devices, including the iPhone, iPad, and iPod Touch.
iPad is a line of tablet computers designed, developed and marketed by Apple Inc., which run the iOS mobile operating system.

Apple Inc.

AppleApple ComputerApple Computer, Inc.
iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.
Apple's software includes the macOS and iOS operating systems, the iTunes media player, the Safari web browser, and the iLife and iWork creativity and productivity suites, as well as professional applications like Final Cut Pro, Logic Pro, and Xcode.

IPod Touch

iPod Touch (1st generation)iPod Touch (2nd generation)iPod Touch (3rd Generation)
It is the operating system that presently powers many of the company's mobile devices, including the iPhone, iPad, and iPod Touch. This feature is only available on third-generation devices—iPhone 3GS, third-generation iPod touch (iOS 4.0 or newer), all iPad models (since iOS 3.2)—or newer.
The iPod Touch (stylized and marketed as iPod touch) is an iOS-based all-purpose mobile device designed and marketed by Apple Inc. with a touchscreen-controlled user interface.

App Store (iOS)

App StoreiOS App StoreApple App Store
, Apple's App Store contains more than 2.1 million iOS applications, 1 million of which are native for iPads. Forstall was also responsible for creating a software development kit for programmers to build iPhone apps, as well as an App Store within iTunes.
The App Store is a digital distribution platform, developed and maintained by Apple Inc., for mobile apps on its iOS operating system.

Mobile operating system

mobile platformsmobile OSmobile operating systems
iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware.
By Q1 2018, over 383 million smartphones were sold with 85.9 percent running Android and 14.1 percent running iOS.

IOS 12

iOS 12.1iOS 12.0iOS 12.0.1
The current version, iOS 12, was released on September 17, 2018.
iOS 12 is the twelfth major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 11.

IPad Pro

iPad Pro 9.7iPad Pro 10.5iPad Pro 12.9
It is available for all iOS devices with 64-bit processors; the iPhone 5S and later iPhone models, the iPad (2017), the iPad Air and later iPad Air models, all iPad Pro models, the iPad Mini 2 and later iPad Mini models, and the sixth-generation iPod Touch.
The iPad Pro family is a line of iPad tablet computers designed, developed, and marketed by Apple Inc., that runs the iOS mobile operating system.

Safari (web browser)

SafariApple SafariSafari web browser
Jobs' reasoning was that developers could build web applications through the Safari web browser that "would behave like native apps on the iPhone".
First released on desktop in 2003 with Mac OS X Panther, a mobile version has been bundled with iOS devices since the iPhone's introduction in 2007.

IOS jailbreaking

jailbreakingjailbrokenjailbreak
Before iOS 4 on the iPhone 3GS (or later), the screen's background could be customized only through jailbreaking, but can now be changed out-of-the-box.
iOS jailbreaking is privilege escalation for the purpose of removing software restrictions imposed by Apple on iOS, tvOS and watchOS.

SpringBoard

home screena bug
The home screen, rendered by SpringBoard, displays application icons and a dock at the bottom where users can pin their most frequently used apps.
SpringBoard is the standard application for that manages the iOS home screen.

University of Naples Federico II

University of NaplesNaplesUniversity of Naples "Federico II
In October 2016, Apple opened its first iOS Developer Academy in Naples inside University of Naples Federico II's new campus.
In October 2016 the University hosted the first ever Apple IOS Developer Academy.

IOS 10

iOS 10.3iOS 10.3.3iOS 10.3.2
Apple made further efforts for accessibility for the release of iOS 10 in 2016, adding a new pronunciation editor to VoiceOver, adding a Magnifier setting to enlarge objects through the device's camera, software TTY support for deaf people to make phone calls from the iPhone, and giving tutorials and guidelines for third-party developers to incorporate proper accessibility functions into their apps.
iOS 10 is the tenth major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 9.

IOS 7

iOS7iOS 7.1iOS 7.0
As part of a "Made for iPhone" program, introduced with the release of iOS 7 in 2013, Apple has developed technology to use Bluetooth and a special technology protocol to let compatible third-party equipment connect with iPhones and iPads for streaming audio directly to a user's ears.
iOS 7 is the seventh major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 6.

ITunes

iTunes IndiaApple iTunesGenius playlist
Forstall was also responsible for creating a software development kit for programmers to build iPhone apps, as well as an App Store within iTunes.
In 2005, Apple expanded on the core features with video support, later also adding podcasts, e-books, and a section for managing mobile apps for Apple's iOS operating system, the last of which it discontinued in 2017.

Scott Forstall

Jobs favored the former approach but pitted the Macintosh and iPod teams, led by Scott Forstall and Tony Fadell, respectively, against each other in an internal competition, with Forstall winning by creating the iPhone OS. The decision enabled the success of the iPhone as a platform for third-party developers: using a well-known desktop operating system as its basis allowed the many third-party Mac developers to write software for the iPhone with minimal retraining.
Having spent his career first at NeXT and then Apple, he was the senior vice president (SVP) of iOS Software at Apple Inc. from 2007 until October 2012.

Spotlight (software)

Spotlightmdlsmdfind
In iPhone OS 3, Spotlight was introduced, allowing users to search media, apps, emails, contacts, messages, reminders, calendar events, and similar content.
Spotlight is a system-wide desktop search feature of Apple's macOS and iOS operating systems.

Notification Center

notification centrenotification
In iOS 5, Apple introduced Notification Center, which allows users to view a history of notifications.
Notification Center is a feature in iOS and macOS that provides an overview of alerts from applications.

IOS 11

11iOS11Core ML
In iOS 11, the application switcher receives a major redesign.
iOS 11 is the eleventh major release of the iOS mobile operating system developed by Apple Inc., being the successor to iOS 10.

IOS 4

iOS4iOS 4.3iOS 4.0
Multitasking for iOS was first released in June 2010 along with the release of iOS 4.
iOS 4 is the fourth major release of the iOS mobile operating system developed by Apple Inc., being the successor to iPhone OS 3.

Web application

web-basedweb applicationsweb app
Jobs' reasoning was that developers could build web applications through the Safari web browser that "would behave like native apps on the iPhone".
Native apps or "mobile apps" run directly on a mobile device, just as a conventional software application runs directly on a desktop computer, without a web browser (and potentially without the need for Internet connectivity); these are typically written in Java (for Android devices) or Objective-C or Swift (for iOS devices). Recently, frameworks like React Native, Flutter, Xamarin, and FuseTools allow the development of native apps for all platforms using languages other than each standard native language.

Control Center (iOS)

Control Center
In the iPad, the Control Center and app switcher are combined.
Control Center (or Control Centre in some countries) is a feature of Apple Inc.'s iOS operating system, introduced as part of iOS 7, released on September 18, 2013.

VoiceOver

One major feature, VoiceOver, provides a voice reading information on the screen, including contextual buttons, icons, links and other user interface elements, and allows the user to navigate the operating system through gestures.
VoiceOver is a screen reader built into Apple Inc.'s macOS, iOS, tvOS, watchOS, and iPod operating systems.

IPhone 3GS

3GSApple iPhone 3GS
This feature is only available on third-generation devices—iPhone 3GS, third-generation iPod touch (iOS 4.0 or newer), all iPad models (since iOS 3.2)—or newer.
The iPhone 3GS features iOS, Apple's mobile operating system.