This is revision 217 of Operating systems by Apple, saved on 4/12/2026, 10:56:48 AM.

Operating systems by Apple

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Current platforms
macOS (Mac, 2001–)	iOS (iPhone, 2007–)	iPadOS (iPad, 2019–)
watchOS (Apple Watch, 2015–)	tvOS (Apple TV, 2015–)	visionOS (Apple Vision Pro, 2024–)
Embedded and internal systems
audioOS (HomePod) · bridgeOS (Apple T2 / Touch Bar) · iBoot · Darwin (open-source core)
Historical
Macintosh	Classic Mac OS (1984–2001) · Mac OS X Public Beta · Mac OS X / OS X (renamed macOS in 2016) · Mac OS X Server · A/UX · MkLinux
Mobile (pre-iOS)	Newton OS (Apple Newton, 1993–1998) · iPod software (click-wheel iPods)
Apple II / III / Lisa	Apple DOS · ProDOS · GS/OS (Apple IIGS) · Apple SOS (Apple III) · Lisa OS · MacWorks XL
Apple TV (pre-tvOS)	Apple TV Software (1st–3rd gen, 2007–2015)
iPhone (pre-iOS name)	iPhone OS (2007–2010, renamed iOS)
Full list of Apple operating systems
Apple · Darwin · XNU kernel