SIRI

Siri is a virtual assistant that is part of Apple Inc.’s iOS, iPadOS, watchOS, macOS, tvOS, and audioOS operating systems.

Initial release date: 4 October 2011

Developer(s): Apple

Platform: iPhone; iPad; iPod Touch; Mac; Apple TV; Apple Watch; HomePod

Operating system: iOS 5 onward, macOS Sierra onward, tvOS (all versions), watchOS (all versions), iPadOS