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	Apple Watch Series 4	Apple Watch Series 3
Price	From: -	From: -
Ratings	No customer reviews yet	(9,189)
Case Size	40mm, 44mm	38mm, 42mm
Display Area	759 sq mm or 977 sq mm display area	563 sq mm or 740 sq mm display area
Case Thickness	10.7mm	11.4mm
Processor	64-bit dual-core S4 processor; Up to 2x faster than S3 processor	Dual-core S3 processor
Electrical Heart Sensor	Electrical heart sensor (ECG app); ECG app coming later this year
Optical Heart Sensor	Second-generation optical heart sensor	Optical heart sensor
Fall Detection
Digital Crown	Digital Crown with haptic feedback	Digital Crown

Technical Details

Apple Watch Series 4 (GPS)

Case Size	40mm, 44mm
Features	GLONASS, Galileo, and QZSS, Barometric altimeter, Optical heart sensor, Electrical heart sensor, Improved accelerometer up to 32 g‑forces, Improved gyroscope, Ambient light sensor, LTPO OLED Retina display with Force Touch (1000 nits), Digital Crown with haptic feedback, Louder speaker, Ion-X strengthened glass, Sapphire crystal and ceramic back
Whats in the box	Case, Band, 1m Magnetic Charging Cable, 5W USB Power Adapter
Connectivity	Wi-Fi 802.11b/g/n 2.4GHz, Bluetooth 5.0

Power	Up to 18 hours of battery life
Width	34mm
Depth	10.7mm
Case Weight	30.1g
Release Date	9/21/2018

What's in the box

Apple Watch^charging cable^charger

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Customer reviews

4.7 out of 5

561 global ratings

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Customers say

Customers like the quality, performance, and sleep traking of the wearable computer. For example, they mention it's the best version of the watch to date, works perfectly, and all apps work fine. That said, they're happy with ease of setup, readability, and speed. That being said, opinions are mixed on battery life, and value.

AI-generated from the text of customer reviews

37 customers mention37 positive0 negative

Customers are satisfied with the quality of the wearable computer. They say that the watch itself is great, awesome, and the best version of the watch to date. They also say that it's a really great watch to operate, with a larger screen and easier to see and use. Some customers also mention that the product is good and has never disappointed them.

"...Other than that, it's a nice smartwatch. I didn't get the cellular bc I always have my phone within 30 feet of me for the most part...." Read more

"The watch itself is great compared to the Fitbit and previous generation apple watches. Overall I am super satisfied with this watch...." Read more

"The Apple Watch is a really cool piece of tech. This Series 4 is my second one, after a Series 3 I bought a year ago...." Read more

"...txt messaging app is almost worth the purchase for that alone, it’s very cool." Read more

21 customers mention21 positive0 negative

Customers are satisfied with the performance of the wearable computer. They mention that it has great functionality, works perfectly, and is extremely useful. Some say that the battery lasts for years and that all apps work fine. Some like the eKG function and that many apps work better on the AW4 due to the bigger display and faster processor.

"...Yes, it is very expensive, in my opinion; however, it has performed flawlessly. No sleep tracking, but I don't sleep in a watch, anyway...." Read more

"...Product works perfectly and the battery lasts for years. It appears as shows!" Read more

"...Its a necessity for me now as it's so useful and makes life easier. The main feature I enjoy is being able to text...." Read more

"...This watch is all purpose and will be the last watch you buy for a long time...." Read more

15 customers mention12 positive3 negative

Customers like the sleep tracing of the wearable computer. For example, they say it's useful for keeping track of their activity and heart rate. Some love the health tracking that the watch offers, and mention that it wakes them up in the mornings. They also appreciate the activity reports for staying active.

"...No sleep tracking, but I don't sleep in a watch, anyway. Huge assortment of apps can be used on it...." Read more

"...AW is really good at fitness tracking. The heart rate monitor is very accurate - whether I’m working out, walking, or sitting on the sofa, the AW..." Read more

"...for this is an alarm to wake me up in the mornings, keeping track of my sleeping patterns (AutoSleep app is phenomenal), Apple Music/Watch/AirPod..." Read more

"...The downsides are no sleep tracking, which was nice on my Fitbit, and the battery life is not the greatest...." Read more

10 customers mention10 positive0 negative

Customers find the setup of the wearable computer very easy. They mention that it's user-friendly, convenient, and easy to set up. They also appreciate the ability to change bands and use it as a remote.

"Easy to set up. Box is huge lol it's a must that you read up on how to preserve the battery life before you begin using it for exercise and such...." Read more

"...BANDS:One thing I love about the AW is how easy it is to change bands and how many great bands are available in all different price ranges...." Read more

"...having to pull out my phone, that maps is on my wrist which is very convenient, that setting a timer is crazy easy, that I can use it as a remote..." Read more

"...It was very easy to set up and did most of the setting up on its own. I could still use my iPhone for anything while the watch was syncing up...." Read more

7 customers mention7 positive0 negative

Customers find the readability of the wearable computer easy to read and use. They say they can read texts and see any photos that the sender attaches to texts. They also say the screen is larger and easier to see and use, and that they can track activity, text, answer calls, listen to music, and read their emails.

"...The main feature I enjoy is being able to text. I didn't get the cellular model, but I usually have my phone nearby...." Read more

"...Your AW can notify you when you get a text or email. You can read your texts and see any photos that the sender attaches to texts...." Read more

"I like this watch for its customizable watch face, that I can see and answer text without having to pull out my phone, that maps is on my wrist..." Read more

"...I can track activity, text, answer calls, listen to music....It was a little hairy getting the watch to pair with my airPods, but ultimately..." Read more

6 customers mention6 positive0 negative

Customers are satisfied with the speed of the wearable computer. They mention that it is fast and responsive. They appreciate the touch screen and the fact that it runs very snappy. The charge time isn't too bad.

"...I love it. It has time, weather, Siri, my messages, phone, and so much more. I love this device and it goes everywhere with me...." Read more

"...is smooth, fast, and responsive...." Read more

"...Battery life could definitely be longer but I find that the charge time isn’t too bad...." Read more

"...Also the speed is pretty amazing as well...." Read more

21 customers mention11 positive10 negative

Customers are mixed about the battery life of the wearable computer. Some mention that it has a great battery life, while others say that it gets charged nightly.

"...Product works perfectly and the battery lasts for years. It appears as shows!" Read more

"...Battery life isn't great. Usually lasts me a 2-3 days in "normal" use." Read more

"...The AW4 is rated at 18 hours of battery life. I easily get more than this. I wear mine while sleeping and most of the day...." Read more

"...no sleep tracking, which was nice on my Fitbit, and the battery life is not the greatest...." Read more

12 customers mention8 positive4 negative

Customers are mixed about the value of the wearable computer. Some mention that it's worth the money, has a high quality for the price, and is a great buy. Others say that it is expensive and that it cost too much to swim with it.

"...and since there are plenty of stylish, reasonably priced, third party wristbands I do recommend the product bc the..." Read more

"...Not a bit disappointed with the iWatch. Yes, it is very expensive, in my opinion; however, it has performed flawlessly...." Read more

"This watch is exactly what I wanted. Got it at a good price with fast shipping." Read more

"Love this!! Cheaper than the Apple website for the same product!" Read more

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Top reviews from the United States

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Darryl

Incredible piece of engineering!!!

Reviewed in the United States on April 16, 2019

Size: 44mmStyle: WatchVerified Purchase

Had my iWatch for three months now. After researching every similar brand on the market, finally took the "leap." Not a bit disappointed with the iWatch. Yes, it is very expensive, in my opinion; however, it has performed flawlessly. No sleep tracking, but I don't sleep in a watch, anyway. Huge assortment of apps can be used on it. Steep learning curve to get all the benefits from the product. Absolutely MUST download and carefully read the User Guide [easily obtained] from Apple's website. Battery life isn't great. Usually lasts me a 2-3 days in "normal" use.

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VirtsN1012

I can't say I love it bc if the battery life but I can say I'm content with it for the time being.

Reviewed in the United States on January 16, 2019

Size: 44mmStyle: WatchVerified Purchase

Easy to set up. Box is huge lol it's a must that you read up on how to preserve the battery life before you begin using it for exercise and such. I have had to reset it one bc my dictation speech to txt/message wasn't working. I think Apple could have done a better job on the battery life. My Fitbits that I have had that I could receive txts on and control my music and shows steps, HR and such coils go for 3-4 days after a few years old with working out for 2 hours everyday. Other than that, it's a nice smartwatch. I didn't get the cellular bc I always have my phone within 30 feet of me for the most part. Haven't used maps on it yet. Speaker is decently loud.

8 people found this helpful

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Caite

Perfect

Reviewed in the United States on November 23, 2023

Size: 44mmStyle: WatchVerified Purchase

Reviews are important to me when shopping.

So here I am, verifying that this item is true and my product had no defects and I recommend it! Product works perfectly and the battery lasts for years. It appears as shows!

Helpful

Kendra

Basically an iPhone for your wrist.

Reviewed in the United States on March 24, 2020

Size: 44mmStyle: WatchVerified Purchase

I started out with a Fitbit, and it was nice to see the time during my classes but it wasn't smart enough for me so I decided to upgrade to an Apple Watch. I love it. It has time, weather, Siri, my messages, phone, and so much more. I love this device and it goes everywhere with me. Its a necessity for me now as it's so useful and makes life easier. The main feature I enjoy is being able to text. I didn't get the cellular model, but I usually have my phone nearby. I just can't use it, but it's close enough to still send and receive texts. So it's nice to draw letters on my wrist and send out messages. The downsides are no sleep tracking, which was nice on my Fitbit, and the battery life is not the greatest. There are apps to buy for sleep tracking, but I wish it was integrated. Battery life lasts about a day and a half I would say. It's not terrible, but I'm used to my Fitbit lasting longer, but I definitely wasn't doing as much. I loved my Apple Watch so much that I bought my boyfriend the Apple Watch Series 5 Nike. He loves his and we are both satisfied and love the 44mm models.

Reviewed in the United States on August 21, 2019

Size: 44mmStyle: WatchVerified Purchase

The watch itself is great compared to the Fitbit and previous generation apple watches. Overall I am super satisfied with this watch. The one thing missing is the sleep tracker. Although they have a 3rd party app that you can purchase with sleep tracking, Fitbit offers this feature for free. The ECG is American heart association approved, and works fantastically. This watch is all purpose and will be the last watch you buy for a long time. Speaking on the 44mm watch, it’s a little heavy on the wrist, but not too bothersome. Other than that, great job to apple for a fantastic watch.

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Social science professor

Cool tech, but is it essential or unnecessary? Depends on your needs.

Reviewed in the United States on January 13, 2019

Size: 44mmStyle: WatchVerified Purchase

The Apple Watch is a really cool piece of tech. This Series 4 is my second one, after a Series 3 I bought a year ago. It's good at some things and mediocre at others. Whether it's a good purchase for you depends on what you'll use it for.

FITNESS TRACKING: A+
AW is really good at fitness tracking. The heart rate monitor is very accurate - whether I’m working out, walking, or sitting on the sofa, the AW heart readings compare quite closely with my Polar chest strap heart monitor, considered the gold standard of consumer heart rate monitors. I've tried the new ECG feature and it seems to work well; and, wisely, it gives you lots of info and disclaimers so you people hopefully won't use it as a substitute for proper medical care. The step counting function is as accurate as any wrist-based step counter, such as Fitbits (I own the Fitbit Alta HR, and like it pretty well). I use the stock workouts app and I like it pretty well; immediately after my workout, the AW transfers the workout data to my iPhone where I can see it in more detail, and see trends over time.

SLEEP MONITORING: B-
I have sleep apnea and insomnia issues I need to stay on top of. Since Apple doesn't have its own sleep monitoring app, you have to use a 3rd party app, and there are over 5 to choose from. The AW estimates how much time you spend in the different phases of sleep in the same way the Fitbit trackers do: using a combination of heart rate and motion sensing. In theory, they should all produce similar measures, but they vary widely. I have 5 sleep apps installed on my AW and they all give different estimates of how much I sleep and how much time I spend in deep sleep, REM sleep, etc. The apps present the information in different ways, and I think none of them are as easy to understand as the Fitbit's sleep tracking reports.

MUSIC & PODCASTS: B
You don’t need the AW with cellular service to enjoy music and podcasts on your AW; you can pre-load them from your iPhone. This process is easy but transferring music to the AW occurs over bluetooth and it’s very slow. Once you have content on your AW, you can listen to it without any internet connection, you just need bluetooth earphones, which is great for exercising and running.

TEXTING & EMAIL: B-
Your AW can notify you when you get a text or email. You can read your texts and see any photos that the sender attaches to texts. You can read your emails, including more visual ones that include pictures and formatting—within limits. There are two problems. First, with the non-cellular AW, emails and texts go to your AW through your iPhone, via Bluetooth. So, if your phone is off, or you don’t have it without, you won’t get texts and emails, even if your AW has an active internet connection. Second, replying to emails and texts is very limited.

WALLET AND HOME: B+
If you use Apple Pay on your phone, you can use it on your AW. Any concert tickets, boarding passes, or gym ID cards that you could put in your iPhone’s Wallet app can go on your AW. If you can use your iPhone to get into your gym, you can probably use your AW, too. If you have HomeKit-enabled “smart” devices, or even just lamps plugged into smart plugs, you can use your AW to control them as well as you could use your iPhone. That’s handy if you don’t have your phone on you (but have a wifi connection). But I pretty much always have my iPhone on me.

COMPLICATIONS:
The AW4’s larger screen allows for more “complications”. A complication is a little icon you can put inside a watch face that displays a bit of info from the app when you look at your watch. So, for example, you can see the current temperature or how many steps you’ve walked today or your current heart rate just by looking at your watch face, without opening the actual apps that track these things. It is very easy to customize watch faces with complications from your favorite apps. Also, touching a complication on your watch face opens up the app, so putting complications of your most used apps on the watch face is like having short-cuts to your favorite apps at your fingertips. The problem is that complications don’t update very often, so the temperature or step count you see when you glance at your watch might be from 6 or 12 hours ago. You can touch a complication to launch the app and get the updated information. Or you can go into settings and have the complications update themselves more frequently — but this consumers more battery power.

COMPARED TO AW3 AND IPHONE
Compared to the AW3, many apps work better on the AW4 due to the bigger display and faster processor. If you have used an older AW, you’ll be impressed. I certainly was—at first. Despite the bigger display and speedier performance, much of what the AW does is MUCH better on the iPhone. For example, the AW’s Maps app works much better on AW4 than earlier AW’s, and the bigger display makes a difference. But still, it’s nothing compared to using the Maps app on the iPhone itself. That’s true for many apps.

BANDS:
One thing I love about the AW is how easy it is to change bands and how many great bands are available in all different price ranges. I have four different bands - the sport band it came with, two very inexpensive knock-off sport loop bands that look and work just as good as the $50 Apple brand bands, and a nice leather one from Pad & Quill. Changing the band is easy and takes 10 seconds. I use different bands for the gym vs. going out to a nice restaurant, and different colored bands for different outfits. Plus, the bands I bought for my AW3 work perfectly well with my AW4. And most bands I’ve tried with my AW4 and AW3 are comfortable.

BATTERY LIFE:
The AW4 is rated at 18 hours of battery life. I easily get more than this. I wear mine while sleeping and most of the day. I put it on the charger while I’m showering, and maybe for an hour to let my wrist “breathe”. But I can definitely go two full days on a single charge, maybe a bit more.

BOTTOM LINE:
The AW is great for fitness and health tracking, and okay for sleep tracking. Most everything else it can do is easier and more pleasant to do on the iPhone itself. I consider the AW a really cool piece of tech. But for me, only the fitness tracking is very useful; everything else is cool at first but ultimately kind of gimmicky. On the other hand, for some people, the ability to get texts on their watch is a game-changer.

Here are a few recommendations:

If you just want fitness tracking and are on a budget, maybe get a Fitbit Alta HR or Charge 3. They’re almost as good as AW for fitness tracking, and better for sleep tracking.

If you’re on a budget, get last year’s model - the Apple Watch 3. It is still a great product, and now it’s much cheaper than the newer AW4.

Most people should probably get the Apple Watch model that does not have cellular. The model with cellular is much more expensive up front, plus you’re paying $12 or so every month ($10 plus every carrier tacks on assorted B.S. fees and taxes), plus using cellular drains the AW’s battery very quickly (e.g., you get maybe an hour of battery life using cellular instead of about 18 to 36 hours using just wifi and bluetooth).

47 people found this helpful

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Top reviews from other countries

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Danielle

Entrega Rápida, Producto Nuevo

Reviewed in Mexico on November 10, 2019

Size: 44mmStyle: WatchVerified Purchase

Llegó antes de lo esperado. Un poco de polvo en la envoltura de plástico.
Llegó sin batería, update en iPhone tardó toda una noche.
Lo usaré por 4 meses y les paso update.

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Andrés Cruz

Excelente reloj

Reviewed in Mexico on December 14, 2019

Size: 44mmStyle: WatchVerified Purchase

Excelente compra, es un reloj bastante útil aunque la batería podría ser mejor

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Brand	Apple
Model Name	Series 4
Style	Watch
Color	Silver Aluminum with White Sport Band
Screen Size	44 Millimeters
Target Audience	Unisex adult
Age Range (Description)	Adult
Compatible Devices	iPhone 6 or later
Compatible Phone Models	Apple iPhone 5S
Band Color	White

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Apple Watch Series 4 (GPS, 44mm) - Silver Aluminum Case with White Sport Band

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Technical Details

Apple Watch Series 4 (GPS)

What's in the box

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Customer reviews

Customers say

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