-watchOS-

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*OFFICIAL LINK*

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-premiered [24 april 2015]-

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*LATEST VERSION* —>

-watchOS 11-

(released [16 SEPTEMBER 2024])

(released 13 days ago)

*reference wiki-link*

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-[watchOS] is the [operating system] of the [apple watch], developed by [apple incorporated]-

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It is based on iOS, the operating system used by the iPhone and iPod Touch, and has many similar features

It was released on April 24, 2015, along with the Apple Watch, the only device that runs watchOS.

watchOS exposes an API called WatchKit for developer use.

The second version, watchOS 2, included support for native third-party apps and other improvements, and was released on September 21, 2015

The third version, watchOS 3, was released on September 13, 2016 to emphasize better performance and include new watch faces and stock apps.

The fourth version, watchOS 4, was released on September 19, 2017.

The fifth version, watchOS 5, was released on September 17, 2018[11] to add more third-party support and new workouts, along with the “Walkie-Talkie” feature.[12]

The sixth version, watchOS 6, was released on September 19, 2019.[13]

The seventh version, watchOS 7, was released on September 16, 2020 to support handwashing and sleep tracking

.

Interface overview

The home screen – rendered by and also known as “Carousel” – is composed of circular application icons, which can be zoomed in and out with the Digital Crown and dragged and launched by touching the display.

Prior to watchOS 3, Glances provided fast access to a summarized view of the most popular native or third-party applications used on Apple Watch

The Glances view was opened with a swipe up gesture from the watch face screen.

With watchOS 3, Glances was replaced by a redesigned Control Center – much like the one in iOS.

The friends menu, invoked with the side button, now acts as a dedicated dock for apps.

Different actions and options appear depending on if the user taps or deep presses which an Apple Watch detects with its pressure-sensitive (Force Touch) Display

‘force touch’ was completely removed in ‘watchOS 7’

and all actions requiring the feature were moved to specific options in the Settings app or to long-press actions.[18]

Supported health metrics

Since its inception, watchOS has supported an increasing number and variety of health metrics for measurement and/or tracking

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These include…

heart rate

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maximal aerobic capacity

otherwise known as VO2 max

(added in watchOS 4,[19]

enhanced in watchOS 7)

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electrocardiogram

otherwise known as EKG or ECG

(added in watchOS 5.1.2[23])

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blood oxygen saturation,

otherwise known as SpO2

(added in watchOS 7[20])

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menstrual cycle status

(added in watchOS 6[24])

sleep duration (added in watchOS 7)

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HealthKit

For several years, Apple has been developing its HealthKit product in a bid to change the way people interact with their devices. There is also a conscious attempt to penetrate the lucrative healthcare and wellness industry, which many observers believe to hold a huge growth opportunity for Apple.[27] This was confirmed by Jony Ive, Apple’s former chief designer, in an interview. He said that health was a crucial element in the Apple Watch since the day of its inception and that the developmental trajectory of the hardware and the watchOS were geared towards health-based capabilities.[28] Ive pointed out that one of the primary apps that shipped with the first watchOS allowed users to track and communicate as well as encourage them to move, exercise, and stand. He said:

Many of us have our phones with us all the time, but they aren’t connected to you. Imagine having something this powerful with you at all times, and what opportunities that might present to the user. The opportunity is phenomenal. Particularly when [you] don’t understand just where we are today in terms of technology and capability, but where we are headed.[28]

One of the most recent updates to the watchOS included applications that do not only keep users active but also diagnose illnesses. For example, there is the app called DeepHeart, a deep learning network that can detect atrial fibrillation, hypertension, sleep apnea, and diabetes.[29] It taps the HealthKit platform to collect data, particularly those collected by the Apple Watch’s heart sensor.[30]

Version history[edit]
Legend: Obsolete Discontinued Supported Current Beta
watchOS 1[edit]
WatchOS 1 was the first version of watchOS to be released. It came with iOS 8.2, instead of the initial release.

The first version of watchOS 1 was 1.0 and was based on iOS 8.2. The second version of watchOS 1 was 1.0.1 and was based on version 8.3.

showTable of versions: watchOS 1.x – Apple Watch
watchOS 2[edit]
showTable of versions: watchOS 2.x – Apple Watch [36]
watchOS 3[edit]
showTable of versions: watchOS 3.x – Apple Watch [38]
watchOS 4[edit]
showTable of versions: watchOS 4.x – Apple Watch [40]
watchOS 5[edit]
WatchOS 5 was first shown to the public at the San Jose WWDC developer conference held by Apple. It had an instant watch-to-watch Walkie-Talkie mode.[41] With this release, Apple dropped support for the first generation Apple Watch.

showTable of versions: watchOS 5.x – Apple Watch [42]
watchOS 6[edit]
Apple announced a new version of watchOS that would contain features such as the App Store, a calculator with tip tools, an audiobooks app, noise level monitoring, and Apple’s Voice Memos app.[51][52][53] It also enables special games that can only be played on the Watch interface. However, watchOS 6 has limited support on Apple Watch Series 1 and 2.

showTable of versions: watchOS 6.x – Apple Watch
watchOS 7[edit]
Apple announced watchOS 7 at the 2020 Worldwide Developers Conference on June 22, 2020. With watchOS 7, Apple dropped support for Apple Watch Series 1 and 2. However, watchOS 7 has limited support on Apple Watch Series 3.

hideTable of versions: watchOS 7.x – Apple Watch
Watch family:

Series 3
Series 4
Series 5
SE
Series 6
Limited support on the Apple Watch Series 3.

watchOS version iOS version based on Build Release date Features
7.0 iOS 14.0 18R382 September 16, 2020; 8 months ago
Initial Release on Apple Watch SE and Apple Watch Series 6

Drops support for the Apple Watch Series 1 and Apple Watch Series 2

Watch Faces

Updated Faces

Chronograph Pro gains a tachymeter (Series 4 or later only)

X-Large adds support for one large complication

Photos face provides colour filters for pictures and more customization options

Updated colours for many watch faces

Complications

Apps may now include more than one complication

New and/or updated Sleep, Shortcuts, Camera Remote, Moon Phase and World Clock complications

Watch Face Sharing

Ability to share custom Watch Faces through Mail, Messages, or posting a link

Sleep Tracking

Apple Watch uses the accelerometer to measure sleep

See logged sleep, manage schedules and set alarms in the new Sleep app

New alarm sounds and haptics

Wind Down mode

Sleep Mode automatically enables Do Not Disturb and disables Raise to Wake

Reminders to charge your Apple Watch in the evening if below 30% charge

Notifications on iPhone when Apple Watch is finished charging

Wake up screen displays after your alarm, showing the weather and your battery level

Activity

Workouts

New Dance, Functional Strength Training, Core Training and Cooldown workouts

Mobility Metrics

Support for low-range cardio fitness, walking speed, stair-descent speed, stair-ascent speed, six-minute walk distance, double support time, step length, and asymmetry metrics in the Health app on iPhone, tracked by Apple Watch

Exercise and Stand goals can now be modified in addition to the Move goal

Activity app renamed Fitness app on iPhone

Maps

Cycling Directions

Cycling specific directions in Maps in supported areas

Choose routes based on intensity and duration

Alerts about upcoming stairs and dismount locations

Handwashing (Series 4 or later only)

Automatic handwashing detection with a 20 second timer

Handwashing reminder when arriving home

Siri

Translation support for 10 languages

Support for Announce Messages with Siri

New Siri UI

New Apps

New Shortcuts app, and ability to choose visible shortcuts on Apple Watch from iPhone

New Memoji app with support for editing and creating new Memoji (Series 4 or later only)

Dictation

Dictation is processed on-device (Series 4 or later only)

Privacy

Microphone icon appears onscreen when in use

Headphones

Ability to set a decibel volume limit for headphones

Reminders to reduce volume if above World Health Organization’s limits

Family Setup (Cellular Series 4 or later only, in supported countries)

Pair Apple Watches for family members that do not have their own iPhone, aimed at children and seniors

Activity metrics are more accurate for children, and Apple Watch now measures move minutes rather than active calories

Apple Cash Family allows children to receive money using Apple Cash

Enhanced parental controls, including approved contacts and apps, and Schooltime

Schooltime

Displays a standard yellow watch face and turns on Do Not Disturb to limit distractions

Can be manually enabled through the Control Centre, or scheduled and remotely enabled for child watches using Family Setup

7.0.1 iOS 14.0.1 18R395 September 24, 2020; 8 months ago

Fixes an issue where some payment cards in Wallet were disabled for some users

7.0.2 18R402 October 12, 2020; 7 months ago

Fixes an issue where the battery drained too quickly

Fixes an issue that blocked access to the ECG app

7.0.3 18R410 October 19, 2020; 7 months ago

Fixes an issue that causes unexpected restarts with Series 3 watches

7.1 iOS 14.2 18R590 November 5, 2020; 6 months ago

Headphone audio level notifications

Adds ECG and irregular heart rhythm notifications support in South Korea and Russia

Fixed: Unlocking Mac with Apple Watch fails

Fixed: Always-on display failure on Apple Watch Series 6

7.2 18S564 December 14, 2020; 5 months ago

Adds support for Apple Fitness+ (Australia, Canada, Ireland, New Zealand, UK, and US only)

Cardio fitness notifications

AFiB notifications now available at heart rates above 100 BPM

Adds ECG support in Taiwan

Adds braille displays with VoiceOver support

Family Setup now available in Bahrain, Canada, Norway, and Spain

7.3 18S801 January 26, 2021; 4 months ago

7.3.1 18S811 February 15, 2021; 3 months ago

7.3.2 18S821 March 8, 2021; 2 months ago

7.3.3 18S830 March 26, 2021; 2 months ago

7.4 18T195 April 26, 2021; 31 days ago

7.4.1 18T201 May 3, 2021; 24 days ago

7.5 18T567 May 24, 2021; 3 days ago

7.6 beta 18U5523d May 19, 2021; 8 days ago

See also[edit]

tvOS

macOS

iOS

Wear OS, Android equivalent

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References

^ Clover, Juli (May 24, 2021). “Apple Releases watchOS 7.5 With Apple Card Family and Subscription Podcast Support”. MacRumors. Retrieved May 24, 2021.

^ “watchOS 7.5 (18T567) – Releases – Apple Developer”. Apple Developer. Apple Inc. May 24, 2021. Retrieved May 24, 2021.

^ Clover, Juli (May 19, 2021). “Apple Releases First Betas of iOS 14.7, iPadOS 14.7, tvOS 14.7, watchOS 7.6 and macOS Big Sur 11.5 to Developers”. MacRumors. Retrieved May 19, 2021.

^ “watchOS 7.6 beta (18U5523d) – Releases – Apple Developer”. Apple Developer. Apple Inc. May 19, 2021. Retrieved May 19, 2021.

^ “How to change the language on an Apple Watch, and make it differ from the language on your paired iPhone”. Business Insider. October 8, 2019. Your Apple Watch is designed to “mirror” the language used on your iPhone, so by default it’ll use whichever language is set on that device, but you can make the two devices differ.

^ “Apple – iPhone XS – Technical Specifications”. Apple. Archived from the original on January 4, 2019. Retrieved January 4, 2019.

^ Jump up to: a b “Apple Watch runs ‘most’ of iOS 8.2, may use A5-equivalent processor”. AppleInsider. Retrieved April 25, 2015.

^ “Apple announces watchOS 2 with third-party Apple Watch apps, new Timepieces, video playback, much more”. 9to5Mac. June 8, 2015. Retrieved June 8, 2015.

^ “watchOS 2 final version released for Apple Watch users”. Retrieved September 21, 2015.

^ “Apple’s watch OS 2 is now live following bug delay”. CNET. Retrieved September 23, 2015.

^ Juli Clover (September 17, 2018). “Apple Launches watchOS 5 With Walkie-Talkie, Apple Podcasts, Siri Shortcuts, New Watch Faces, Raise to Speak and More”. MacRumors. Retrieved September 17, 2018.

^ “watchOS 5 adds powerful activity and communications features to Apple Watch”. Apple Newsroom (Press release). Retrieved June 5, 2018.

^ Juli Clover (September 19, 2019). “Apple Releases watchOS 6 With Dedicated App Store, New Watch Faces, Noise Monitoring App and More”. MacRumors. Retrieved September 19, 2019.

^ “watchOS 7 adds significant personalization, health, and fitness features to Apple Watch” (Press release). Apple Inc. June 22, 2020.

^ Orellana, Vanessa Hand (July 21, 2020). “10 new tricks WatchOS 7 will soon bring to your Apple Watch”. CNET.

^ “How To Use and Organize Apple Watch Glances”. iPhoneTricks. Retrieved April 27, 2015.

^ “Apple Watch – Technology”. Apple. Retrieved December 26, 2014.

^ “Apple Ending Support for Force Touch on Apple Watch With watchOS 7”. iPhone in Canada Blog. June 24, 2020. Retrieved July 14, 2020.

^ Ng, Gary (June 8, 2017). “Apple Watch Calculates VO2 Max in watchOS 4 Beta”. iPhone in Canada. Retrieved October 20, 2020.

^ Jump up to: a b Bonifacic, Igor (September 15, 2020). “Apple adds blood oxygen monitoring to the Watch Series 6”. Engadget. Retrieved October 20, 2020.

^ Hand Orellana, Vanessa (September 8, 2020). “WatchOS 7: Apple Watch will soon be able to measure your fitness level as you age”. CNET. Retrieved October 20, 2020.

^ Comstock, Jonah (September 15, 2020). “Apple adds SpO2 & V02 Max to Apple Watch Series 6, and launches three new studies”. mobiHealthNews.

^ Hand Orellana, Vanessa (July 23, 2019). “Apple Watch ECG vs. hospital EKG: Not the results I was expecting”. CNET. Retrieved October 20, 2020.

^ Mitroff, Sarah (September 19, 2019). “Apple WatchOS 6: How to track your menstrual cycle and fertility”. CNET. Retrieved October 20, 2020.

^ Stein, Scott (August 14, 2020). “Apple WatchOS 7 sleep tracking: What it can and can’t do”. CNET. Retrieved October 20, 2020.

^ “watchOS 7 adds significant personalization, health, and fitness features to Apple Watch”. Apple. Inc. June 22, 2020.

^ “Apple Is Going After The Health Care Industry, Starting With Personal Health Data”. CB Insights Research. September 20, 2017. Retrieved May 28, 2018.

^ Jump up to: a b Phelan, David. “Apple Watch Secrets Revealed By Jony Ive, Health A Big Focus”. Forbes. Retrieved May 28, 2018.

^ “Apple Watch’s heart rate sensor can detect diabetes, Cardiogram study finds”. Macworld. Retrieved May 28, 2018.

^ Ballinger, Brandon; Hsieh, Johnson; Singh, Avesh; Sohoni, Nimit; Wang, Jack; Tison, Geoffrey H.; Marcus, Gregory M.; Sanchez, Jose M.; Maguire, Carol; Olgin, Jeffrey E.; Pletcher, Mark J. (2018). “DeepHeart: Semi-Supervised Sequence Learning for Cardiovascular Risk Prediction”. AAAI Conference on Artificial Intelligence: 2079–2080. arXiv:1802.02511. Retrieved May 22, 2020.

^ Jump up to: a b c “Apple Watch Firmware”. Retrieved May 19, 2015.

^ “Apple Watch Timekeeping”. Retrieved March 9, 2015.

^ “Apple Watch Built-in Apps”. Retrieved June 29, 2015.

^ “watchOS 1.01 information”. Apple Inc. Retrieved May 24, 2016.

^ “About the security content of watch OS 1.0.1 – Apple Support”. Apple. Retrieved June 29, 2015.

^ “Download watchOS 2.0 – 2.2.2 Information”. support.apple.com. Retrieved June 22, 2019.

^ Jump up to: a b c d e f “watchOS 2.x information”. Apple Inc. Retrieved May 24, 2016.

^ “Download watchOS 3.0 – 3.2.3 Information”. support.apple.com. Retrieved June 22, 2019.

^ “Apple has temporarily pulled the watchOS 3.1.1 update due to reports of it bricking devices”. 9to5Mac. December 14, 2016. Retrieved December 14, 2016.

^ “About watchOS 4 Updates”. Apple Support. Retrieved June 22, 2019.

^ Alfred Ng; Shara Tibken (September 12, 2018). “Apple Watch Series 4 starts at $399, packs larger displays and EKG sensor”. CNET.

^ “About watchOS 5 Updates”. Apple Support. Retrieved June 22, 2019.

^ Kelion, Leo (October 31, 2018). “Apple Watch owners asked to return devices for repair after update glitch”. BBC News. Retrieved October 31, 2018.

^ Clover, Juli (July 22, 2019). “Apple’s Walkie-Talkie Apple Watch App Works Again Following iOS 12.4 and watchOS 5.3 Release”. MacRumors. Retrieved July 23, 2019.

^ “About the security content of watchOS 5.3.2”. Apple Inc.

^ “watchOS 5.3.4 (16U627) – Releases – Apple Developer”. Apple Developer. Apple Inc. December 10, 2019. Retrieved December 10, 2019.

^ “About the security content of watchOS 5.3.4”. Apple Inc.

^ “watchOS 5.3.5 (16U652) – Releases – Apple Developer”. Apple Developer. Apple Inc. February 18, 2020. Retrieved February 18, 2020.

^ Clover, Juli (February 18, 2020). “Apple Releases watchOS 6.1.3 Update With Heart Rhythm Notification Bug Fix”. MacRumors. Retrieved February 18, 2020.

^ Jump up to: a b c d “About watchOS 5 Updates”. July 15, 2020. Retrieved July 17, 2020.

^ Heather Kelly (June 3, 2019). “Everything Apple announced at WWDC, from Apple sign-in to dark mode”. CNN.

^ “watchOS 6 advances health and fitness capabilities for Apple Watch” (Press release). Apple Inc. Retrieved June 6, 2019.

^ “watchOS 6”. Apple Inc. Retrieved February 23, 2020

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External links

watchOS – official site

en.wikipedia.org /wiki/WatchOS
WatchOS
Contributors to Wikimedia projects17-22 minutes 9/10/2014
watchOS
The word “watchOS” in black San Francisco neo-grotesque sans-serif font.
WatchOS 6 screenshot.jpg
A customized watch face on watchOS 6

Developer Apple Inc.

Written in

C

C++

Objective-C

Swift

assembly language

OS family

Unix-like, iOS

Working state Current

Source model Closed, with open-source components

Initial release April 24, 2015; 6 years ago

Latest release 7.51[2] (May 24, 2021; 3 days ago) [±]

Latest preview 7.6 beta3[4] (May 19, 2021; 8 days ago) [±]

Marketing target Smartwatch

Available in 40 languages[5][6]

Update method OTA (via iPhone 5+ running iOS 8.2+)

Platforms

ARMv8-A (watchOS 5 and later)

ARMv7-A (watchOS 1 and later)

Kernel type Hybrid (XNU)

Default user interface Cocoa Touch (GUI)

License Proprietary software except for open-source components

Official website

www.apple.com/watchos/

Support status

Supported

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