Watch · watchOS

Watch & watchOS

Health, notifications, pairing and safety features.

Current release: watchOS 27
Latest update: watchOS 27.0.1
Models tracked: 16
Run watchOS 27: 8 of 16

Check my Watch Watch Q&A Guides

watchOS releases

Newest first

Current

watchOS 27

27.0.1

Released
14 Sep 2026

Supported models
8

Which devices run it?
Previous

watchOS 26

26.6

Released
15 Sep 2025

Supported models
11

Which devices run it?
Earlier

watchOS 11

11.6.2

Released
16 Sep 2024

Supported models
8

Which devices run it?
Earlier

watchOS 10

10.6.2

Released
18 Sep 2023

Supported models
9

Which devices run it?

Watch models

runs watchOS 27 doesn't

Apple Watch · 16

New in watchOS 27

Compare with watchOS 26

Call Context

Surfaces relevant information from your apps when calling a business.
Daytime vitals

Vitals adds daytime resting heart rate and heart rate variability.

On Apple Watch Series 12 and Apple Watch Ultra 4
Dynamic app grid

Highlights Siri-suggested, popular and recent apps, with the Siri app in the centre.
Extended Workout mode

Turns on Low Power Mode for the length of a workout.
Find My app

Find Devices, Find People and Find Items merge into one map-centric Find My app.
Heart rate variability

View heart rate variability (HRV).

On Apple Watch Series 12 and Apple Watch Ultra 4
Max Extended Workout

Longer battery life for Outdoor Walk, Outdoor Run and Hiking workouts, with some metrics unavailable.
Perimenopause and menopause tracking

Log perimenopause and menopause symptoms, get educational resources and pattern notifications.
Pride Luminance

A dynamic analog face inspired by multiple Pride flags.
Readiness app

A score that indicates when you are ready to push yourself and when to rest.

On Apple Watch Series 12 and Apple Watch Ultra 4
Real-time heart rate chart

A live-updating chart of heart rate measurements.

On Apple Watch Series 12 and Apple Watch Ultra 4
Shazam in Smart Stack

Shazam identifies music quickly from the Smart Stack using on-device audio intelligence.

On Apple Watch Series 12 and Apple Watch Ultra 4
Single tap gesture

Select a Smart Stack widget with the single tap gesture.
Siri AI

A conversational assistant (beta) that draws on world knowledge, personal context and what is on the watch, and can take action in apps.

Siri AI is available in beta on watchOS 27 or later on Apple Watch Series 9 and later, Apple Watch Ultra 2 and later, and Apple Watch SE 3 when paired with an Apple Intelligence-enabled iPhone 15 Pro, iPhone 15 Pro Max, or iPhone 16 model or later with Siri and device language set to a supported language.
Siri Modular

A watch face for making quick requests to Siri.
Siri app

A Siri app to view, continue or start conversations.
Sound Recognition

Listens for sounds such as doorbells, sirens or a crying baby and notifies you.

Apple Watch Series 12 and Apple Watch Ultra 4 can continuously listen for certain sounds—such as a doorbell, siren, or crying baby—and notify you when it recognizes these sounds.
Steps complication

Track steps in real time from the watch face.

On Apple Watch Series 12 and Apple Watch Ultra 4
Treadmill distance accuracy

A redesigned pedometer model measures treadmill run and walk distance more precisely.
Workout Buddy enhancements

Workout Buddy adds pace, distance and duration insights and works without iPhone over Wi-Fi or cellular.

Available in English and Spanish.

Sources for this page

Last verified 8 Oct 2026

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Watch & watchOS

watchOS releases

watchOS 27

watchOS 26

watchOS 11

watchOS 10

Watch models

Apple Watch · 16

New in watchOS 27