watchOS

E20923

watchOS is Apple’s smartwatch operating system that powers the Apple Watch, providing fitness tracking, notifications, and app functionality tightly integrated with iOS and the Apple ecosystem.

All labels observed (14)

How this entity was disambiguated

Statements (80)

Predicate Object
instanceOf mobile operating system
smartwatch operating system
announcedAt Apple Special Event September 2014
announcedBy Tim Cook
appDistribution App Store
surface form: watchOS App Store
basedOn iOS
developer Apple Inc.
family Apple operating systems
firstReleaseDate 2015-04-24
firstVersion watchOS self-linksurface differs
surface form: watchOS 1.0
integratesWith Apple Fitness+
Health app
surface form: Apple Health

Apple ecosystem
iOS
iPhone
kernel XNU
kernelType hybrid kernel
latestReleaseBranch watchOS self-linksurface differs
surface form: watchOS 10
license proprietary software license
operatingSystemFor Apple Watch
packageManager App Store
primaryLanguage Objective-C
Swift
requiresCompanionAppOn iPhone
sourceModel closed source
with open-source components
supportsConnectivity Bluetooth
LTE
NFC
Wi‑Fi
supportsDevice Apple Watch
surface form: Apple Watch SE

Apple Watch
surface form: Apple Watch Series 1

Apple Watch
surface form: Apple Watch Series 2

Apple Watch
surface form: Apple Watch Series 3

Apple Watch
surface form: Apple Watch Series 4

Apple Watch
surface form: Apple Watch Series 5

Apple Watch
surface form: Apple Watch Series 6

Apple Watch
surface form: Apple Watch Series 7

Apple Watch
surface form: Apple Watch Series 8

Apple Watch
surface form: Apple Watch Series 9

Apple Watch
surface form: Apple Watch Ultra

Apple Watch
surface form: Apple Watch Ultra 2
supportsFeature Apple Pay
ECG recording
Siri
blood oxygen monitoring
cellular connectivity
complications
emergency SOS
fall detection
fitness tracking
heart rate monitoring
music playback
notifications
sleep tracking
watch faces
supportsFramework CoreBluetooth
CoreMotion
HealthKit framework
surface form: HealthKit

SwiftUI
WatchKit
supportsHealthStandard blood oxygen saturation measurement
electrocardiogram recording
supportsInputMethod Digital Crown
microphone
side button
touchscreen
voice (Siri)
supportsMode family setup
low power mode
theater mode
water lock mode
supportsPlatform arm64
supportsProgrammingLanguage Objective-C
Swift
supportsSecurityFeature data encryption
passcode lock
wrist detection
updateDistribution over-the-air update
userInterface graphical user interface

How these facts were elicited

Referenced by (148)

Full triples — surface form annotated when it differs from this entity's canonical label.

Apple Worldwide Developers Conference 2015 announced watchOS
this entity surface form: watchOS 2
Apple One subscription bundles platform watchOS
subject surface form: Apple One
iCloud Keychain platform watchOS
Hide My Email platform watchOS
Health app platform watchOS
Health app operatingSystem watchOS
Apple WWDC 2017 announcedSoftware watchOS
this entity surface form: watchOS 4
Apple WWDC 2017 announcedFeature watchOS
this entity surface form: watchOS 4 new Siri watch face
WatchKit platform watchOS
WatchKit partOf watchOS
this entity surface form: watchOS SDK
WatchKit introducedWith watchOS
this entity surface form: watchOS 1.0
CoreMotion platform watchOS
CoreBluetooth platform watchOS
AirPods Max supportsPlatform watchOS
SpriteKit platform watchOS
Metal designedFor watchOS
Metal laterExtendedTo watchOS
iMessage operatingSystem watchOS
Continuity supportsPlatform watchOS
Core ML platform watchOS
Apple S-series platform watchOS
Quartz 2D operatingSystem watchOS
AirPrint operatingSystem watchOS
WWDC 2023 unveiledSoftwareUpdate watchOS
this entity surface form: watchOS 10
SceneKit platform watchOS
Core Location platform watchOS
AVFoundation platform watchOS
Darwin operating system formsCoreOf watchOS
subject surface form: Darwin (operating system)
WWDC 2016 mainSubject watchOS
this entity surface form: watchOS 3
WWDC 2016 announced watchOS
this entity surface form: watchOS 3
Contacts app operatingSystem watchOS
subject surface form: Contacts
Contacts app includedWith watchOS
subject surface form: Contacts
Reminders operatingSystem watchOS
macOS SDK relatedTo watchOS
this entity surface form: watchOS SDK
WWDC 2019 announcedOperatingSystem watchOS
this entity surface form: watchOS 6
App protocol introducedInOSVersion watchOS
subject surface form: App protocol (SwiftUI)
this entity surface form: watchOS 7
App protocol supportsPlatform watchOS
subject surface form: App protocol (SwiftUI)
Retina usedInOperatingSystem watchOS
Instruments supportsPlatform watchOS