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Google Wear OS vs Apple watchOS

Product Name

Google Wear OS

Apple watchOS

Product Image Google Wear OS Apple watchOS
Our Rating NaN.0 NaN.0
Brand Google Apple
Category Wearable OS Wearable OS


Developer Google, Opensource Community Apple
First Launch March 18, 2014 April 24, 2015
Initial Version 4.4W1 watchOS 1.x
Latest Stable Version 2.6 (Based on Android 8.x Oreo) 4.2
First Device LG G Watch Apple Watch Series 1
Working State Current Current
Latest Flagship Device TAG Heuer Connected Modular 45 Apple Watch Series 3


Device Type Target Smartwatches, Other Wearables Smartwatch
Platforms 32-bit ARM, MIPS, x86 32-bit ARM architecture ARMv7-A
Interface Touchscreen, depends on manufacturer Touchscreen, “Digital Crown” Dial


Programming Language Used / Written In C (core), C++, Java C, C++, Objective-C, Swift
OS Family Android iOS
Kernel Type Monolithic (modified Linux kernel) Unix-like
Source Model Open source, with closed source components Closed (with open-source components)
License Type Apache License 2.0 Linux kernel patches under GNU GPL v2 Proprietary software, except for open-source components
Update Method OTA FOTA

OS Features

Fitness and Health Monitoring Yes, via Google Fit Yes, via Apple Health
App Store Google Play Apple App Store
App Store Link play.google.com/store apple.com/lae/ios/app-store
App Extension APK IPA
Multi Tasking Yes Yes
App Development Language Java, C++ Swift, Objective C


Touch Yes Yes
Watchface Customizable Customizable
Voice Command Google Voice Yes
Personal Assistant Google Assistant Apple Siri
Smartphone Compatibility Android 4.3+ and iOS 9+ iOS 9+
Smartphone Companion App Android Wear App Apple Watch App