Wear OS#Wear OS

{{Short description|Smartwatch operating system by Google}}

{{Infobox OS

| name = Wear OS

| logo = 120px
220px

| screenshot = WearOS screenshot.png

| screenshot_size = 250px

| caption = Screenshot of Wear OS 5.1, based on Android 15 with the Concentric watch face applied

| developer = Google

| programmed in = C (core), C++, {{nowrap|Java{{cite web|title=Android Code Analysis|url=http://www.ohloh.net/p/android/analyses/latest|access-date=June 6, 2012|archive-date=September 14, 2013|archive-url=https://web.archive.org/web/20130914185702/http://www.ohloh.net/p/android|url-status=dead}}}}

| family = Unix-like

| working state = Current

| source model = Closed-source{{cite book |last1=Zhu |first1=Xiao |last2=Guo |first2=Yihua Ethan |last3=Nikravesh |first3=Ashkan |last4=Qian |first4=Feng |last5=Mao |first5=Z. Morley|title=Abstracts of the 2019 SIGMETRICS/Performance Joint International Conference on Measurement and Modeling of Computer Systems |author5-link=Z. Morley Mao |chapter=Understanding the Networking Performance of Wear OS |publisher=Association for Computing Machinery |doi=10.1145/3309697.3331475 |doi-access=free |date=20 June 2019 |page=3:2 |isbn=978-1-4503-6678-6 |quote=The proprietary nature of Wear OS makes it even harder to gain deep visibility into the wearable networking stack. Note that unlike Android for handheld devices, Wear OS is not open-source.}}{{cite journal |last1=Yi |first1=Edgardo Barsallo |last2=Zhang |first2=Heng |last3=Maji |first3=Amiya K. |last4=Xu |first4=Kefan |last5=Bagchi |first5=Saurabh |title=Vulcan: lessons on reliability of wearables through state-aware fuzzing |url=https://engineering.purdue.edu/dcsl/publications/papers/2020/vulcan_mobisys20_cameraready.pdf |website=Proceedings of the 18th International Conference on Mobile Systems, Applications, and Services |publisher=Association for Computing Machinery |via=Purdue University |access-date=24 December 2023 |pages=391–403 |doi=10.1145/3386901.3388916 |date=15 June 2020 |quote=Since Wear OS is closed source, we cannot modify the framework so we implement a Proof-Of-Concept (POC) solution. }}

| released = {{start date and age|2014|3|18}}

| latest release version = Wear OS 5.1 (based on Android 15)

| latest release date = {{start date and age|2025|03|19|df=yes}}{{cite web |title=Full OTA Images for Google Pixel Watch Devices |url=https://developers.google.com/android/ota-watch |website=developers.google.com |access-date=29 October 2023}}

| latest preview version = Wear OS 5.1 (based on Android 15)

| latest preview date = {{start date and age|2024|11|25}}

| marketing target = Smartwatches

| language = {{Collapsible list

| title = 93 languages|

Azərbaycan{{small| - Azerbaijani}}

Bosanski{{small| - Bosnian}}

Català{{small| - Catalan}}

Čeština{{small| - Czech}}

Dansk{{small| - Danish}}

Deutsch (Deutschland){{small| - German (Germany)}}

Deutsch (Österreich){{small| - German (Austria)}}

Deutsch (Schweiz){{small| - German (Switzerland)}}

Eesti{{small| - Estonian}}

English (Australia){{small| - English (Australia)}}

English (Canada){{small| - English (Canada)}}

English (Ireland){{small| - English (Ireland)}}

English (New Zealand){{small| - English (New Zealand)}}

English (Philippines){{small| - English (Philippines)}}

English (South Africa){{small| - English (South Africa)}}

English (United Kingdom){{small| - English (United Kingdom)}}

English (United States){{small| - English (United States)}}

Español (España){{small| - Spanish (Spain)}}

Español (Estados Unidos){{small| - Spanish (United States)}}

Euskara{{small| - Basque}}

Filipino{{small| - Filipino}}

Français (Belgique){{small| - French (Belgium)}}

Français (Canada){{small| - French (Canada)}}

Français (France){{small| - French (France)}}

Français (Suisse){{small| - French (Switzerland)}}

Gaeilge{{small| - Irish}}

Galego{{small| - Galician}}

Hrvatski{{small| - Croatian}}

Indonesia{{small| - Indonesian}}

Íslenska{{small| - Icelandic}}

Italiano{{small| - Italian}}

Latviešu{{small| - Latvian}}

Lietuvių{{small| - Lithuanian}}

Magyar{{small| - Hungarian}}

Melayu{{small| - Malay}}

Nederlands (België){{small| - Dutch (Belgium)}}

Nederlands (Nederland){{small| - Dutch (Netherlands)}}

Norsk bokmål{{small| - Norwegian Bokmål}}

O‘zbek{{small| - Uzbek (Latin)}}

Polski (Polska){{small| - Polish (Poland)}}

Polski (Silesian){{small| - Polish (Silesian)}}

Português (Brasil){{small| - Portuguese (Brazil)}}

Português (Portugal){{small| - Portuguese (Portugal)}}

Română{{small| - Romanian}}

Shqip{{small| - Albanian}}

Slovenčina{{small| - Slovak}}

Slovenščina{{small| - Slovenian}}

Srpski{{small| - Serbian (Latin)}}

Suomi{{small| - Finnish}}

Svenska{{small| - Swedish}}

Tiếng Việt{{small| - Vietnamese}}

Türkçe{{small| - Turkish}}

Türkmen dili{{small| - Turkmen}}

Ελληνικά{{small| - Greek}}

Беларуская{{small| - Belarusian}}

Български{{small| - Bulgarian}}

Кыргызча{{small| - Kyrgyz}}

Қазақ тілі{{small| - Kazakh}}

Македонски{{small| - Macedonian}}

Монгол{{small| - Mongolian}}

Русский{{small| - Russian}}

Тоҷикӣ{{small| - Tajik}}

Українська{{small| - Ukrainian}}

ქართული{{small| - Georgian}}

Հայերեն{{small| - Armenian}}

עברית{{small| - Hebrew}}

اردو{{small| - Urdu}}

العربية{{small| - Arabic}}

فارسی{{small| - Persian}}

नेपाली{{small| - Nepali}}

मराठी{{small| - Marathi}}

हिन्दी{{small| - Hindi}}

অসমীয়া{{small| - Assamese}}

বাংলা (বাংলাদেশ){{small| - Bangla (Bangladesh)}}

বাংলা (ভারত){{small| - Bangla (India)}}

ਪੰਜਾਬੀ{{small| - Punjabi}}

ગુજરાતી{{small| - Gujarati}}

ଓଡ଼ିଆ{{small| - Odia}}

தமிழ்{{small| - Tamil}}

తెలుగు{{small| - Telugu}}

ಕನ್ನಡ{{small| - Kannada}}

മലയാളം{{small| - Malayalam}}

සිංහල{{small| - Sinhala}}

ไทย{{small| - Thai}}

ລາວ{{small| - Lao}}

မြန်မာ (Unicode){{small| - Burmese (Unicode)}}

မြန်မာ (Zawgyi){{small| - Burmese (Zawgyi)}}

ខ្មែរ{{small| - Khmer}}

한국어{{small| - Korean}}

日本語{{small| - Japanese}}

简体中文 (中国){{small| - Simplified Chinese (China)}}

繁體中文 (台灣){{small| - Traditional Chinese (Taiwan)}}

繁體中文 (香港){{small| - Traditional Chinese (Hong Kong)}}

}}

Language list as of Wear OS 3.0

| package manager = APK via Google Play

| supported platforms = 32-bit ARM, MIPS, x86

| kernel type = Monolithic (modified Linux kernel)

| userland = Bionic libc,{{cite web|url=https://android.googlesource.com/platform/bionic/+/master/libc/ |title=libc – platform/bionic – Git at Google |publisher=Android.googlesource.com |access-date=2014-03-20}} shell from NetBSD,{{cite web|url=https://android.googlesource.com/platform/system/core/+/master/sh/ |archive-url=https://web.archive.org/web/20130922083203/https://android.googlesource.com/platform/system/core/%2B/master/sh/ |title=android / platform/system/core / master / . / sh |archive-date=2013-09-22 |access-date=2014-08-24 |website=android.googlesource.com |url-status=dead }} native core utilities with a few from NetBSD{{cite web|url=https://android.googlesource.com/platform/system/core/+/master/toolbox/ |title=toolbox – platform/system/core – Git at Google |publisher=Android.googlesource.com |access-date=2014-03-20 |url-status=dead |archive-url=https://web.archive.org/web/20140209072904/https://android.googlesource.com/platform/system/core/%2B/master/toolbox/ |archive-date=2014-02-09 }}

| ui = Graphical (Multi-touch)

| license = Proprietary

| website = {{URL|https://wearos.google.com}}

| frequently updated =

}}

Wear OS{{efn|(also known simply as Wear{{Cite web|last=Amadeo|first=Ron|date=2021-05-18|title=Google, Samsung, and Fitbit team up to save Wear OS|url=https://arstechnica.com/gadgets/2021/05/google-samsung-and-fitbit-team-up-to-save-wear-os/|access-date=2021-05-19|website=Ars Technica|language=en-us}})}} (formerly Android Wear){{cite web|url=https://www.wired.it/gadget/accessori/2018/03/12/android-wear-os-smartwatch/|title=Android Wear cambia nome in Wear Os: le novità in arrivo|date=12 March 2018 }} is a closed-source Android distribution designed for smartwatches and other wearable computers,{{cite web |date=15 March 2018 |title=Google just changed the name of Android Wear to Wear OS |url=https://www.theverge.com/2018/3/15/17124448/google-wear-os-announced-android-wear-rebranding-smartwatch |publisher=The Verge}}{{cite web |title=Android Wear—Android Developers |url=http://developer.android.com/wear/index.html |access-date=1 September 2015 |work=android.com}}{{cite web |date=18 March 2014 |title=Google reveals Android Wear, an operating system for smartwatches |url=https://www.theverge.com/2014/3/18/5522226/google-reveals-android-wear-an-operating-system-designed-for |work=The Verge |publisher=Vox Media}} developed by Google. Wear OS is designed to pair with mobile phones running Android (version 6.0 "Marshmallow" or newer) or iOS (version 10.0 or newer),{{cite web|url=http://www.cio.com/article/2978194/smartwatches/android-wear-for-ios-gives-iphone-owners-more-smartwatch-options.html|title=Android Wear for iOS gives iPhone owners more smartwatch options|author=Al Sacco|date=31 August 2015|work=CIO|access-date=1 September 2015|archive-date=23 August 2016|archive-url=https://web.archive.org/web/20160823204815/http://www.cio.com/article/2978194/smartwatches/android-wear-for-ios-gives-iphone-owners-more-smartwatch-options.html|url-status=dead}} providing mobile notifications into a smartwatch form factor and integration with the Google Assistant technology.{{cite web |date=26 June 2014 |title=OK Google, tell me about Android Wear |url=https://comparesmartwatches.com/news/ok-google-tell-me-about-android-wear/12825 |publisher=CompareSmartWatches}}

Wear OS supports Bluetooth, NFC, Wi-Fi,{{Cite web|title = Android Wear gets cellular support, still needs to be paired with a phone|url = https://arstechnica.com/gadgets/2015/11/android-wear-gets-cellular-support-still-needs-to-be-paired-with-a-phone/|website = Ars Technica|date = 12 November 2015|access-date = 2015-12-22}} 3G, and LTE connectivity, as well as a range of features and applications provided through Google Play. Watch face styles include round, square and rectangular. Hardware manufacturing partners include Asus, Broadcom, Fossil, HTC, Intel, LG, MediaTek, Imagination Technologies, Motorola, New Balance, Xiaomi, Qualcomm, Samsung, Huawei, Skagen, Polar, TAG Heuer, Suunto, and Mobvoi.{{cite web|url=https://developer.android.com/wear/index.html|title=Android Wear|access-date=3 March 2015|work=Android Developers}}

The operating system was first released in 2014 as Android Wear, and took its current name in 2018.{{cite web |date=15 March 2018 |title=Google just changed the name of Android Wear to Wear OS |url=https://www.theverge.com/2018/3/15/17124448/google-wear-os-announced-android-wear-rebranding-smartwatch}} Analysts estimate that over 720,000 Android Wear smartwatches were shipped in 2014, the year of its launch.[https://www.engadget.com/2015/02/11/android-wear-2014-shipments/ Just 720,000 Android Wear smartwatches shipped last year]. Engadget. Retrieved 11 February 2015. By mid-October 2022, the Wear OS app had more than 50 million downloads.{{Citation|title=Wear OS by Google Smartwatch (was Android Wear)|archive-url=https://web.archive.org/web/20221018190446/https://play.google.com/store/apps/details?id=com.google.android.wearable.app|archive-date=18 October 2022|access-date=2024-04-10|url=https://play.google.com/store/apps/details?id=com.google.android.wearable.app|publisher=Google LLC}} Wear OS was estimated to account for 17.3% of the smartwatch market in Q3 2021, behind Apple's 21.8%. Samsung accounts for the majority of Wear OS devices sold,{{cite web |title=Global Smartwatch Market Rebounds; Huawei and Fire-Boltt Hit New Peaks |url=https://www.counterpointresearch.com/insights/global-smartwatch-market-rebounds-huawei-and-fire-boltt-hit-new-peaks/ |website=Counterpoint |access-date=10 April 2024 |date=30 November 2023}} due to its switch back from Tizen to Wear OS in 2021.{{cite web |last1=Amadeo |first1=Ron |title=Wear OS shoots up the market-share charts, now in striking distance of Apple |url=https://arstechnica.com/gadgets/2021/11/wear-os-market-share-explodes-after-google-and-samsung-team-up/ |website=Ars Technica |language=en-us |date=23 November 2021}}