Tablet operating systems

operating system created by Google for use on mobile devices

iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple for its iPhone line of smartphones. It was unveiled in January 2007 alongside the first-generation iPhone, and was released in June 2007. Major versions of iOS are released annually; the current stable version, iOS 26, was released to the public on September 15, 2025.

personal computer operating system by Microsoft that was released in 2015

personal computer operating system by Microsoft that was released in 2012

personal computer operating system by Microsoft released in 2021

ChromeOS (sometimes styled as chromeOS and formerly styled as Chrome OS) is a proprietary operating system designed and developed by Google. It is derived from the open-source operating system (which itself is derived from Gentoo Linux), and uses the Google Chrome web browser as its principal user interface.

personal computer operating system by Microsoft that was released in 2013

mobile operating system developed by Microsoft

HarmonyOS (HMOS) () is a distributed operating system developed by Huawei for smartphones, tablets, smart TVs, smart watches, personal computers and other smart devices. It has a microkernel design with a single framework: the operating system selects suitable kernels from the abstraction layer in the case of devices that use diverse resources. The latest stable version is HarmonyOS 6; it was released on 25 November 2025.

history of the mobile operating system Android by Google

MeeGo is a discontinued Linux distribution hosted by the Linux Foundation, using source code from the operating systems Moblin (produced by Intel) and Maemo (produced by Nokia). MeeGo was primarily targeted at mobile devices and information appliances in the consumer electronics market. It was designed to act as an operating system for hardware platforms such as netbooks, entry-level desktops, nettops, tablet computers, mobile computing and communications devices, in-vehicle infotainment devices, SmartTV / ConnectedTV, IPTV-boxes, smart phones, and other embedded systems.

iPadOS is a mobile operating system developed by Apple for its iPad line of tablet computers. It was given a name distinct from iOS, the operating system used by Apple's iPhones, to reflect the diverging features of the two product lines, such as multitasking. It was introduced as iPadOS 13, reflecting its status as the successor to iOS 12 for the iPad, and first released to the public on September 24, 2019. Major versions of iPadOS are released annually; the current stable version, , was released to the public on .

eighth major release of the iOS mobile operating system designed by Apple Inc.

discontinued mobile operating system developed by Microsoft

tenth major release of iOS, the mobile operating system by Apple Inc.

Tizen () is a Linux-based operating system primarily developed by Samsung Electronics and supported by the Linux Foundation.

seventh major version of iOS

ninth major release of iOS, the mobile operating system by Apple Inc.

webOS, also known as LG webOS, is a Linux kernel-based multitasking operating system for smart devices, such as smart TVs, that has also been used as a mobile operating system. Initially developed by Palm, Inc. (which was acquired by Hewlett-Packard), HP made the platform open source, at which point it became Open webOS.

mobile interface for Ubuntu, developed by UBports

EMUI (formerly known as Emotion UI) is an interface based on Android developed by Chinese technology company Huawei, used on the company's smartphones primarily globally.

sixth major version of iOS

QNX ( or ) is a commercial Unix-like real-time operating system, aimed primarily at the embedded systems market.

eleventh major release of iOS, the mobile operating system by Apple Inc.

twelfth major release of the iOS mobile operating system

fifth major version of iOS

fourth major version of iOS

Android-based mobile operating system produced by Amazon

Windows 10 is a major release of the Windows NT operating system developed by Microsoft. Microsoft described Windows 10 as an "operating system as a service" that would receive ongoing updates to its features and functionality, augmented with the ability for enterprise environments to receive non-critical updates at a slower pace or use long-term support milestones that will only receive critical updates, such as security patches, over their five-year lifespan of mainstream support. It was released on July 29, 2015.

fourth major release of iPadOS, the tablet operating system developed by Apple Inc.

2021 iPad operating system

mobile operating system of the iPad

mobile operating system of the iPad

seventh major release of iPadOS, the tablet operating system developed by Apple Inc.

operating system

sixth major release of iPadOS, the tablet operating system developed by Apple Inc.

fifth major release of iPadOS, the tablet operating system developed by Apple Inc.

aspect of history

proprietary operating system of the Nintendo Switch 1 and 2

HarmonyOS core distributed operating system

OpenHarmony (OHOS, OH) is a family of open-source distributed operating systems sharing some principles from Huawei LiteOS lineage. Huawei donated the pure HarmonyOS L0-L2 single framework branch, non-AOSP source code, to the OpenAtom Foundation. Similar to HarmonyOS, the open-source distributed operating system is designed with a layered architecture, consisting of four layers from the bottom to the top: the kernel layer, system service layer, framework layer, and application layer. It is also an extensive collection of free software, which can be used as an operating system or in parts with

operating system