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Google Wear OS vs Tizen OS for Wearable vs Apple watchOS


  • Developer
    Google, Opensource Community Samsung, Linux Foundation, Tizen Association and Intel Apple
  • First Launch
    March 18, 2014 January 5, 2012 (For Smartphone), September 1, 2015 (With Smartwatch Samsung Gear 2) April 24, 2015
  • Initial Version
    4.4W1 Tizen OS 1.0 Larkspur (April 30, 2012) watchOS 1.x
  • Latest Stable Version
    2.6 (Based on Android 8.x Oreo) Tizen OS 3.0 4.2
  • First Device
    LG G Watch Samsung Gear 2 (First Tizen OS Smartwatch) Apple Watch Series 1
  • Working State
    Current Current Current
  • Latest Flagship Device


  • Device Type Target
    Smartwatches, Other Wearables Smartwatches, Smartphones, Wearable Devices Smartwatch
  • Platforms
    32-bit ARM, MIPS, x86 ARM and x86 32-bit ARM architecture ARMv7-A
  • Interface
    Touchscreen, depends on manufacturer Touch, Rotating Bezel, Buttons Touchscreen, “Digital Crown” Dial


  • Programming Language Used / Written In
    C (core), C++, Java HTML5, C, C++ C, C++, Objective-C, Swift
  • OS Family
    Android Tizen OS (Unix-like, Linux Kernel) iOS
  • Kernel Type
    Monolithic (modified Linux kernel) Monolithic kernel Unix-like
  • Source Model
    Open source, with closed source components Open source Closed (with open-source components)
  • License Type
    Apache License 2.0 Linux kernel patches under GNU GPL v2 GPLv2, LGPL, Apache License, BSD, Flora License Proprietary software, except for open-source components
  • Update Method

OS Features

  • Fitness and Health Monitoring
    Yes, via Google Fit Yes, via Samsung S Health Yes, via Apple Health
  • App Store
    Google Play Tizen Store Apple App Store
  • App Store Link
  • App Extension
    APK TPK (For Native), WGT (For Web App) IPA
  • Multi Tasking
    Yes Yes Yes
  • App Development Language
    Java, C++ C/C++, HTML5 Swift, Objective C


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