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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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watchOS 8: Four short feature requests for future Apple Watch updates

Apple Watchsmith alt text

watchOS 8 will be shown off for Apple Watch in just one month, and we’re hoping for a feature-packed update this year. While there’s still time to dream about what could come in the next Apple Watch software update, we’re sharing four short feature requests that would be welcome in watchOS 8 or any future version of the Apple Watch software.

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Opinion: It’s time for Apple to discontinue the Apple Watch Series 3

apple watch series 3 models

Apple Watch Series 3 was announced in September 2017 alongside the iPhone 8 and iPhone X, and while it didn’t come with a new design, Series 3 brought important enhancements, like a faster processor and the cellular version. Nearly four years later, Series 3 is still available in stores — but perhaps it’s time for Apple to discontinue it for good.

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Apple Watch blood sugar and blood pressure measurement could be a step closer

Apple Watch blood sugar

Noninvasive Apple Watch blood sugar measurement probably tops the list on the consumer wish list for the company’s wearable, and a partnership with a UK startup may have brought us one step closer.

Apple is listed as the largest client of Rockley Photonics, an electronics company working on a system that uses similar sensors to the existing Apple Watch ones, but with many more capabilities …

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How to trade in your old iPad and upgrade to the 2021 iPad Pro

The big day for the new iPad Pros has arrived, and the new tablets are big upgrades in more ways than one. If you’re coming from an older iPad but want to update to the latest iPad Pro (or even another recently-launched iPad) we’ll walk you through exactly how to trade in and recycle your old iPad (or other devices) for the latest-and-greatest…

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AliveCor seeks to ban US sales of Apple Watch as it alleges ECG patent infringement

ECG patent infringement

AliveCor is accusing Apple of three counts of ECG patent infringement in the Apple Watch, and is seeking to block the importation of all Apple Watches into the US.

The company – which bills itself as “the global leader in FDA-cleared personal electrocardiogram (ECG) technology and services” – has also accused Apple of trying to eliminate the company as a competitor …

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Hands-on: Sync your Apple Watch to Peloton with Watch Link [Video]

From 9to5Mac’s new sister site ConnectTheWattscovering all of the latest connected fitness news.

With Peloton recently removing the ability of Apple Watch users to pair with the Peloton Bike+ for any classes besides cycling, I was on the hunt to discover whether there was any other way to sync my Apple Watch to Peloton. Luckily, I quickly came across the Watch Link. (See below to get 10% off!)

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Toning down the Apple Watch: Tips and feature requests to avoid being overwhelmed

Apple Watch is at the top of its class, but it isn’t a perfect product. The hardware and design is space age compared to the competition, and the software experience meets Apple’s mark. It’s also very personal because you wear it. Apple has known this from the start, so it designs personalization into the product. From watch colors and materials to strap choices and watch faces, it’s easy to make the Apple Watch uniquely yours.

How you use the Apple Watch is even more personal. The tech enthusiast in me wants to find a use for every Apple Watch feature, but this can create an overwhelming experience if you’re not intentional about your approach. It’s possible to want to reduce your reliance on the iPhone through the Apple Watch, only to find yourself even more annoyed by interruptions on your wrist.

Identifying utility from the Apple Watch while toning it down when the watch becomes too much has been something I’ve been working through recently. I’ll share where I’ve landed as well as a few feature requests for managing the experience for the better.

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Black Unity Apple Watch Series 6 supply running low, 44mm model currently sold out

Update 4/15: The 44mm Black Unity Apple Watch Series 6 with GPS + Cellular connection is back in stock. The GPS version is still sold out after almost two weeks.

Two months after launch, the 44mm Black Unity Apple Watch Series 6 is currently sold out in the online US Apple Store. This comes after Apple branded the wearable as “limited edition” in honor of Black History Month.

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Swatch to own One More Thing trademark in the UK after Apple loses second case

One More Thing trademark

Swatch will own the One More Thing trademark in the UK, despite the fact that it achieved its current fame through Steve Jobs’s use of it in Apple keynote presentations.

Apple failed to persuade a court to block the trademark application, even though the judge agreed that Swatch’s motivation was likely dubious …

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Poll: What do you think of the rumored rugged Apple Watch Explorer Edition?

Rugged Apple Watch, would you buy one?

Image: UAG Civilian and Rugged Apple Watch cases

We got news today that Apple is considering a ruggedized version of the Apple Watch that could arrive as soon as later this year. This potential new variant could help Apple better compete with more durable options from Casio, Garmin, Samsung, and more. What do you think? Let us know in the poll below whether or not you’d pick up a rugged Apple Watch Explorer Edition.

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Bloomberg: Apple ‘considering’ new Apple Watch model with rugged casing, aimed at athletes

Apple is considering to expand its lineup of Apple Watch models, with a new model that would be focused on athletes and extreme climbers and hikers. As reported by Bloomberg, the casing of this watch would feature a rugged design with impact shock resistance and protective exterior, similar to a Casio G-Shock watch.

Current Apple Watch models feature aluminium, steel and titanium exteriors. The idea of the rugged watch model is it would feature a rubberized casing that is perhaps not so elegant to look at, but would be less prone to scratching and damage.

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Apple Watch reviewed in 2015, revisited in 2021

A great perk of working with 9to5Mac from age 22 to 30 and counting is the privilege of revisiting writing from years ago with the perspective of time. My first Apple Watch review is something I’ve been thinking about rereading recently with the perspective of six years of progress. Let’s take a look at where we are now versus where we started, and how my perception in 2015 has aged in 2021.

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