Apple Operating Systems
Apple Operating Systems

Apple, a technological giant, has developed several operating systems to power its range of devices. These systems have evolved over time to support the company’s expanding hardware lineup. Here is an in-depth look at the operating systems created by Apple including the six supported software platforms they currently maintain: iOS, iPadOS, watchOS, tvOS, macOS and visionOS.

The Evolution of Macintosh Operating Systems

Apple’s journey with operating systems began with the Classic Mac OS. The initial versions, System 1 through System 7, laid the foundation. System 7.5.1 marked a significant milestone as the first version to be referred to as “Mac OS”. The evolution continued with Mac OS 8 and further versions, each introducing new features and improvements​​.

Transition to Mac OS X and macOS

In 2001, Apple introduced Mac OS X, a major leap in their operating system design. This version persisted through 10.7, spanning from 2001 to 2011. Following this, the naming convention shifted to OS X for about four years. In 2016, Apple rebranded its desktop operating system to “macOS” starting with the release of macOS High Sierra, aligning the naming more closely with its other operating systems​​.

A Complete List of macOS Versions

The series of macOS has seen numerous updates, from its early versions to the latest release. Each version brought its unique set of features and enhancements, catering to the evolving needs of users and advancements in technology​​.

iOS: The Mobile Operating System

Alongside its desktop operating systems, Apple developed iOS, initially known as iPhone OS. This mobile operating system is exclusively designed for Apple’s mobile hardware, including iPhones and iPads. iOS has seen its own evolution, adapting to the changing landscape of mobile technology and user requirements​​.

Continued Development and Future Releases

Apple continues to innovate and develop its operating systems. This includes pausing development at times to focus on debugging and ensuring the quality of upcoming releases like iOS 18, macOS 15, and others. This commitment to continuous improvement and adaptation signifies Apple’s dedication to providing robust and feature-rich operating systems for its range of devices​​.

Conclusion: Apple’s Operating System Diversity

Apple’s array of operating systems demonstrates the company’s commitment to innovation and user experience. From the classic Mac OS to the latest versions of macOS and iOS, each system reflects Apple’s focus on functionality, user-friendliness, and technological advancement. As technology evolves, so do Apple’s operating systems, ensuring that users have access to cutting-edge software for their devices.

Eric Chan

Hi! I’m Eric and I work on the knowledge base at  You can see some of my writings about technology, cellphone repair, and computer repair here.

When I’m not writing about tech I’m playing with my dog or hanging out with my girlfriend.

Shoot me a message at if you want to see a topic discussed or have a correction on something I’ve written.

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