The following is a list of operating systems released by Apple Inc.

Apple computers

There was no OS for the Apple I.

Apple II

Apple III

Apple Lisa

Macintosh computers

Main article: Macintosh operating systems

Classic Mac OS

Main article: Classic Mac OS

Mac OS X / OS X / macOS

Main article: macOS

See also: macOS version history

macOS was previously known as Mac OS X and later OS X.

macOS Server

Main article: macOS Server

See also: macOS Server version history

macOS Server was previously known as Mac OS X Server and later OS X Server.

Starting with Lion, there is no separate Mac OS X Server operating system. Instead the server components are a separate download from the Mac App Store.

Other macOS-related releases

Others

Mobile devices

Newton

iPod

See also: iPod firmware

iOS

Main article: iOS

See also: iOS version history

iOS was previously known as iPhone OS, despite also being available on the iPod Touch (1st, 2nd, and 3rd generations) and the original iPad.

iPadOS

Main article: iPadOS

At its June 2019 Worldwide Developer Conference, Apple introduced iPadOS, a version of iOS, for iPad tablets, promised for fall 2019 release.[2][3]

watchOS

Main article: watchOS

See also: watchOS version history

Television

Apple TV Software

Main article: Apple TV Software

There was no Apple TV Software 8, version 8 was skipped when moving to tvOS.

tvOS

Main article: tvOS

See also: tvOS version history

Table of operating systems

Device(s) Platform(s) OS Announced Released Discontinued Notes
Apple computers Apple II series Apple DOS June 1978 June 1978 1983
Apple ProDOS 1983 1983 1993
Apple GS/OS 1988 1988
Apple III Apple SOS 1980 1980
Apple Lisa Lisa OS 1983 1983
MacWorks XL 1984 1984
Macintosh computers (68k) Classic Mac OS System 1 1984 1984
System 2 1985 1985
System 3 1986 1986
System 4 1987 1987
System Software 5 1987 1987
  • Also marketed as System 5
System Software 6 1988 1988
  • Also marketed as System 6
Macintosh computers (68k and PowerPC) System 7 1991 1991
Mac OS 8 1997 1997
Macintosh computers (PowerPC) Mac OS 9 1999 1999
Mac OS X Mac OS X Public Beta September 13, 2000 September 13, 2000 May 14, 2001
  • Code name Kodiak
Mac OS X 10.0 September 13, 2000 March 24, 2001
  • Code name Cheetah
Mac OS X 10.1 September 25, 2001 September 25, 2001
  • Code name Puma
Mac OS X 10.2 August 23, 2002
  • Code name Jaguar
Mac OS X Panther October 24, 2003
  • Version 10.3
Macintosh computers (PowerPC and x86) Mac OS X Tiger April 29, 2005
  • Version 10.4
Mac OS X Leopard October 26, 2007
  • Version 10.5
Macintosh computers (x86) Mac OS X Snow Leopard August 28, 2009
  • Version 10.6
Mac OS X Lion July 20, 2011
  • Version 10.7
  • Also marketed as OS X Lion
OS X OS X Mountain Lion July 25, 2012
  • Version 10.8
OS X Mavericks October 22, 2013
  • Version 10.9
OS X Yosemite October 16, 2014
  • Version 10.10
OS X El Capitan June 8, 2015
  • Version 10.11
macOS macOS Sierra June 13, 2016
  • Version 10.12
macOS High Sierra June 5, 2017
  • Version 10.13
macOS Mojave September 24, 2018
  • Version 10.14
macOS Catalina October 7, 2019
  • Version 10.15
Macintosh computers (x86 and ARM64) macOS Big Sur November 12, 2020
  • Version 11
macOS Monterey October 25, 2021
  • Version 12
macOS Ventura October 24, 2022
  • Version 13
Macintosh computers (PowerPC) Mac OS X Server Mac OS X Server 1.0 March 16, 1999 March 16, 1999
  • Code name Hera
  • Also referred to as Rhapsody
Mac OS X Server 10.0 May 21, 2001
  • Code name Cheetah
Mac OS X Server 10.1 September 25, 2001
  • Code name Puma
Mac OS X Server 10.2 August 23, 2002
  • Code name Jaguar
Mac OS X Server 10.3 October 24, 2003
  • Code name Panther
Macintosh computers (PowerPC and x86) Mac OS X Server 10.4 April 29, 2005
  • Code name Tiger
Mac OS X Server 10.5 October 26, 2007
  • Also marketed as Leopard Server
Other computers NeXTSTEP September 18, 1989
OpenStep 1994
Darwin November 15, 2000
A/ROSE
A/UX
AIX for Apple Network Servers
Macintosh Application Environment
MkLinux
PowerOpen Environment
Star Trek N/A N/A
Taligent N/A N/A
Copland N/A N/A
Newton Newton Newton OS
iPod iPod iPod OS
Apple TV Apple TV Software (x86) Apple TV Software 1 September 12, 2006 March 21, 2007 February 12, 2008
Apple TV Software 2 January 15, 2008[4] February 12, 2008[5] October 2009
Apple TV Software 3 October 2009
  • Derived from Mac OS X 10.4 Tiger
Apple TV Software (ARM) Apple TV Software 4
Apple TV Software 5
Apple TV Software 6
Apple TV Software 7[note 1]
tvOS tvOS 9[note 1]
tvOS 10
tvOS 11
tvOS 12
tvOS 13
tvOS 14
tvOS 15
tvOS 16
iOS devices (iPhone, iPod Touch, and iPad) iPhone OS[note 2] iPhone OS 1[note 2]
  • Derived from "OS X" (At the time, "macOS" was still known as "Mac OS X" and not "OS X" as it was known from 2012 to 2016.)
iPhone OS 2[note 2]
iPhone OS 3[note 2]
iOS[note 2] iOS 4[note 2]
  • Continued from iPhone OS 3
iOS 5
iOS 6
iOS 7
iOS 8
iOS 9
iOS 10
iOS 11
iOS 12
iOS 13
iOS 14
iOS 15
iOS 16
Apple Watch watchOS watchOS 1
  • Derived from iOS 8
watchOS 2
  • Derived from iOS 9
watchOS 3
  • Derived from iOS 10
watchOS 4
  • Derived from iOS 11
watchOS 5
  • Derived from iOS 12
watchOS 6
  • Derived from iOS 13
watchOS 7
  • Derived from iOS 14
watchOS 8
  • Derived from iOS 15
watchOS 9
  • Derived from iOS 16

Notes

  1. ^ a b There was no Apple TV Software 8 or tvOS 8, version 8 was skipped when moving to tvOS.
  2. ^ a b c d e f iOS was previously known as iPhone OS, despite also being available on the iPod Touch (1st, 2nd, and 3rd generations) and the original iPad.

References

  1. ^ "Apple OS History". Computer Hope. May 21, 2018. Retrieved 2019-01-11.
  2. ^ Warren, Tom (2019-06-03). "Apple reveals iPadOS for iPad with a new home screen, multitasking improvements, and more". The Verge. Retrieved 2019-06-17.
  3. ^ Jaffe, Justin. "Apple introduces iPadOS, giving iPads their own operating system". CNET. Retrieved 2019-06-17.
  4. ^ "Jobs reveals Apple TV update, HD rentals [U]". MacNN. January 15, 2008. Archived from the original on March 3, 2018.
  5. ^ "Apple releases Apple TV "Take 2" update". MacNN. February 12, 2008. Archived from the original on May 3, 2018.