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Apple Watch is Apple's wearable is designed to help you stay active, motivated, and connected. It runs watchOS, and it comes in 40mm and 44mm size options.

How to see all Apple Watch apps


The original Apple Watch (later called Series 0) was released on April 24, 2015, after years of rumors. While there was a lot of initial hype around it, the third-party watchOS apps were slow to launch due to API limitations. Native apps were available in watchOS 2. The original watch came in 38mm and 42mm sizes.

The Series 2 Watch was released on September 16th, 2016 along with a Series 1 Watch. The Series 2 included the S2 chip, built-in GPS, and water-proof construction. The Series 1 included the S2, but lacked GPS and waterproofing.

The Series 3 Watch was released on September 22, 2017, and it included an LTE option and the S3 chip. The Series 4 Watch was released on September 21, 2018. New hardware included the S4 Chip, Electrical heart sensor w/ ECG app, and larger display (40mm and 44mm sizes).

Apple Watch Series 5 was announced during Apple’s fall event on September 10, 2019. Customers were able to purchase the device later that day, and it was released on September 20. The headline feature for this model was the wearable’s always-on display. The new display always shows the time and complications and is also the first from the company to include a built-in compass.

Apple launched international emergency services to every cellular model. Series 5 also brought back ceramic white, and new natural brush and space black titanium models.

Apple Watch Series 6 was unveiled on September 15, 2020 at the “Time Flies” event alongside the more affordable SE and new iPad Air. New features of the Series 6 include blood oxygen monitoring, new watch colors, faster S6 chip, new watch faces, and more.

Apple Watch features

Apple Watch is designed to help you stay active, motivated, and connected. The newest versions are Series 6 and SE while Apple still sells Series 3 as the most affordable option.

Features include:

  • Heart rate monitoring (all models)
    • Including high, low, and irregular heart rate notifications
  • ECG readings (Series 4 and later)
  • Blood oxygen monitoring (Series 6)
  • Workout tracking, Activity Rings, competitions, and awards
  • Works with Apple Fitness+
  • Sleep tracking (with watchOS 7)
  • GPS and GPS + Cellular models
  • Always-on display (Series 5 & 6)
  • Water-resistant to 50 meters
  • Emergency SOS and fall detection
  • Phone calls and Messages
  • Music, Podcasts, and more
  • Third-party apps available through App Store built into watchOS


watchOS is the dedicated software that runs on Apple Watch. The current version is watchOS 7 that was released in fall 2020 and is compatible with Series 3 and later.

watchOS 7 brought new features like native sleep tracking, Family Setup, watch face sharing, new workout tracking types, cycling directions in maps, and automatic handwashing reminders.

Apple Fitness+ support and new cardio fitness notifications came with watchOS 7.2 And watchOS 7.4 is coming with the exciting new Apple Watch unlock for iPhone feature.

Current Apple Watch lineup

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Apple Watch Ultra 2 ‘instant lifeline’ to runners trekking from Santa Monica to Las Vegas

Apple Watch is an essential runner’s companion, and Apple Watch Ultra takes it to the next level with longer battery life and more. That’s why participants of this year’s The Speed Project call it an “instant lifeline” during a grueling relay race from Santa Monica to Las Vegas.

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Apple Watch ban news hub: Everything you need to know

check blood oxygen with Apple Watch

The Apple Watch Series 9 and Apple Watch Ultra 2 are embroiled in an ongoing ITC situation, which briefly barred the devices from being sold in the United States last month. This comes after the ITC ruled that the Apple Watch’s blood oxygen sensor infringes on two patents held by medical device company Masimo.

As it stands right now, Apple is still selling the Apple Watch Series 9 and Ultra 2 in the United States, but with the blood oxygen features disabled due to the ITC ruling.

Last updated: April 6, 2024

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Making the Apple Watch compatible with Android wouldn’t be easy – and here’s why

Apple Watch Android

After the US Department of Justice (DOJ) officially filed an antitrust lawsuit against Apple, the company immediately defended itself against the accusations with a series of statements. Interestingly, Apple even confirmed that it considered making the Apple Watch compatible with Android at some point. However, doing so wouldn’t be easy for Apple from a technical and strategic standpoint.

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Best smart scales with iPhone sync for Apple’s Health app

Whether you’re trying to lose a few pounds and track your weight for other purposes, smart scales that sync data to the iPhone can be a fun and useful way to keep an eye your status.

If you want to easily collect your weight and other measurement data in the Health app on iPhone and iPad (new with iPadOS 17), the trick is to find a scale that works with HealthKit.

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How to turn on double tap-like gesture control on almost any Apple Watch

use double tap on any Apple Watch

One of the main new features of the Apple Watch Series 9 and Ultra 2 is something called “double tap” which lets users control the wearable by pinching their thumb and pointer finger. While the full functionality and new UI of the feature are indeed limited to the newest hardware, anyone with Apple Watch Series 3 and later can turn on double tap-like gestures to get the feature working for many of the same use cases right now, here’s how.

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Jailbreaking an iPhone re-enables blood oxygen measurement on Apple Watch; August 2028 expiry

Blood oxygen measurement on Apple Watch

An interesting look behind the scenes of the court battle between Apple and health tech company Masimo reveals that jailbreaking an iPhone re-enables blood oxygen measurement on an Apple Watch.

The same report notes that even if Apple doesn’t succeed in its appeal against the import ban, it will be able to re-enable the feature by August 2028 at the latest, when Masimo’s patent expires …

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Micro-LED Apple Watch Ultra project not cancelled, says supply-chain report

Micro-LED Apple Watch Ultra project not cancelled | Existing Ultra model shown

We last week cast doubt on reports that the micro-LED Apple Watch Ultra project had been cancelled, and a new supply-chain report appears to confirm our view.

It says that while Osram was in line to supply micro-LED screens for the Watch, and has been dropped by Apple, the Cupertino company is still working on the project, and is simply seeking new suppliers …

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73-year-old NJ man bought an Apple Watch ‘to be cool,’ then it saved his life

A retired accountant in Lawrenceville, New Jersey says that his Apple Watch SE – which he initially bought “to be cool” – turned out to be a life-saving purchase.

“I wanted to be cool, I always thought these were really sharp looking. They’re hip, they’re in style,” 73-year-old Frank Haggerty told CBS News Philadelphia about his Apple Watch purchase.

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