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.


Statements (80)
Predicate Object
instanceOf mobile operating system
smartwatch operating system
announcedAt Apple Special Event September 2014
announcedBy Tim Cook
appDistribution watchOS App Store
basedOn iOS
developer Apple Inc.
family Apple operating systems
firstReleaseDate 2015-04-24
firstVersion watchOS 1.0
integratesWith Apple Fitness+
Apple Health
Apple ecosystem
iOS
iPhone
kernel XNU
kernelType hybrid kernel
latestReleaseBranch 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 SE
Apple Watch Series 1
Apple Watch Series 2
Apple Watch Series 3
Apple Watch Series 4
Apple Watch Series 5
Apple Watch Series 6
Apple Watch Series 7
Apple Watch Series 8
Apple Watch Series 9
Apple Watch Ultra
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
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


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