Outline of iOS
The following outline is provided as an overview of and topical guide to iOS:

iOS – mobile operating system developed and distributed by Apple Inc. Originally released in 2007 for the iPhone and iPod Touch, it has since been extended to support other Apple devices such as the iPad and Apple TV. Unlike Windows CE (Mobile and Phone) and Android, Apple does not license iOS for installation on non-Apple hardware. Devices

iOS devices
iPhone
List of iPhone models
iPod Touch
iPad
List of iPad models
Apple TV (tvOS)
Apple Watch (watchOS)

Releases
iOS
iOS version history
iPadOS
iPadOS version history
watchOS
tvOS

Features
Interface
Direct manipulation
Multi-touch
Types of use
Swiping
Tapping
Reverse pinching
Pinching
Accelerometer
Types of use
Shaking
Rotation
Steering
Other elements
SpringBoard (Home Screen)
Multitasking
Apple Push Notification Service
Notification Center
Control Center

Applications
 iOS#Applications
 
 Software Development Kit

History 

History of the iPhone
 iOS version history
 List of iPhone models
 List of iPad models
 History of Apple

General concepts 
 Hardware
 Software
 Interface
 SDK
 Jailbreaking-hacking

Personnel 
 Steve Jobs, former CEO
 Tim Cook, CEO
 Jonathan Ive, senior vice president of design
 Scott Forstall, former senior vice president of iOS software

See also 
 Apple Inc.
 Macintosh

External links

 – official site
 – official site
 – official site

iOS
iOS