iOS
Provider 
Founded 1976
Sells To Enterprises, Individuals
Pricing Model Services, Subscription
Ownership Public

Apple's proprietary mobile operating system, distributed exclusively on iPhone hardware.
iOS is Apple's mobile operating system for the iPhone, positioned on its official page around Siri AI features and device integration. Market-share measurements that track Android's installed base also rank iOS first among US smartphone operating systems.
Apple and Google publish reciprocal migration programs between iOS and Android, and the two platforms together account for essentially the entire smartphone operating-system market.
Adds products that compete with one of iOS’ direct competitors but not with iOS itself. They are shaded, and Linked Through names the direct competitor each one competes with.
| Attribute | iOS | Android — mobile operating system | HarmonyOS | Sailfish OS | |
|---|---|---|---|---|---|
| Linked Through | — | Direct competitor | Direct competitor | Android — mobile operating system, HarmonyOS | |
| Provider | |||||
| Founded | 1976 | 1998 | 1987 | 2011 | |
| Sells To | Enterprises, Individuals | Enterprises, Individuals | Consumers, Enterprise | — | |
| Pricing Model | Services, Subscription | Advertising, Subscription | Recurring, Software, Transactional | — | |
| Ownership | Public | Subsidiary | Public | — |
Provider 
Founded 1976
Sells To Enterprises, Individuals
Pricing Model Services, Subscription
Ownership Public
Provider 
Founded 1998
Sells To Enterprises, Individuals
Pricing Model Advertising, Subscription
Ownership Subsidiary
Provider 
Founded 1987
Sells To Consumers, Enterprise
Pricing Model Recurring, Software, Transactional
Ownership Public
Linked Through Android — mobile operating system, HarmonyOS
Provider 
Founded 2011
Sells To —
Pricing Model —
Ownership —


A European Linux-based mobile operating system for smartphones and tablets, developed by Jolla.

A European Linux-based mobile operating system for smartphones and tablets, developed by Jolla.

PICO's operating system for its standalone extended-reality headsets, current at version 5.
