iOS is a mobile operating system developed by Apple Inc. and was first released as iPhone OS in June 2007, coinciding with the launch of the first generation iPhone. [1] iPhone OS was renamed iOS following the release of the iPad, starting with iOS 4. [2]

As of 2023, there are six supported software platforms: iOS, iPadOS, watchOS, tvOS, macOS and visionOS. Prior to the introduction of the Macintosh in early 1984, Apple had several operating systems for the Apple II series, Apple SOS for the Apple III series, and Lisa OS and MacWorks XL for the Apple Lisa series; those were introduced between ...

iOS (formerly iPhone OS) [6] is a mobile operating system developed by Apple exclusively for its mobile devices. It was unveiled in January 2007 for the first-generation iPhone, [7] which launched in June 2007. Major versions of iOS are released annually; the current stable version, iOS 18, was released to the public on September 16, 2024. [8]

Here’s a breakdown of all the versions of iOS that have been released, when they were released, when they were last updated, and the latest iOS version. While iOS was the initial operating...

iOS version by device. These tables show the first and maximum version of iOS or iPadOS for each iPhone, iPad, and iPod touch. Only major versions (e.g. iOS 13) are shown, not point releases (e.g. iOS 13.5.1). Information about which devices are …

Jan 23, 2025 · Dive into the journey of iOS versions, from iOS 1 to the latest iOS 18. Explore the updates, key features, and personal insights into Apple’s mobile evolution.

Mar 8, 2025 · Check the Apple iOS version history and find out which version you’re using. Click here to reach the First iOS iPhone. The List Of Apple iOS Version History Is Updated After Every New Release Of The iOS Version To Give You The Latest Information Available. Related: List Of All macOS Version History (1997 to 2025)

Jun 11, 2024 · iOS is the operating system for the iPhone and iPod touch. Find out when each version was released and what it included here.

Mar 26, 2024 · Over 15 major versions, iOS has evolved from a basic phone software platform into an advanced, deeply integrated ecosystem powering over 1 billion devices. This guide takes you through the entire journey of iOS – from its origins as …

The operating system that powers the iPhone, iPod touch, and iPad is known as iOS. All smartphones ship with this essential software, which enables them to run and support other programmes. What Windows or macOS are to PCs or Macs, iOS is to the iPhone.