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Zepp Z Review Hero
C. Scott Brown / Android Authority

Zepp Z review: Gorgeous, feature-rich, and way overpriced

The Zepp Z looks great and has some cool features. It's a shame its price will scare most consumers away.

Published onNovember 17, 2020

Amazfit Zepp Z

Zepp's sophomore smartwatch release builds on the strengths of the first. It's a gorgeous timepiece with absolutely insane battery life. It nails all the essentials and even has some premium features, such as wireless charging and built-in GPS. However, just as with its predecessor, the health tracking is unreliable, there are no third-party apps, and its price is too high for what you get (and what you don't). Once again, Zepp has made a smartwatch that will only be useful to people who care about looks and battery life over everything else.

What we like

Terrific build and design
Outstanding battery life
Built-in GPS
Wireless charging supported
Offline voice commands are cool
Alexa support on the way

What we don't like

No third-party apps
No NFC support
No onboard storage
Notifications are read-only
Health tracking is a mixed bag
Companion app needs a lot of work
No Alexa support at launch
Way too expensive

Amazfit Zepp Z

Zepp's sophomore smartwatch release builds on the strengths of the first. It's a gorgeous timepiece with absolutely insane battery life. It nails all the essentials and even has some premium features, such as wireless charging and built-in GPS. However, just as with its predecessor, the health tracking is unreliable, there are no third-party apps, and its price is too high for what you get (and what you don't). Once again, Zepp has made a smartwatch that will only be useful to people who care about looks and battery life over everything else.

It was only a few months ago that we posted our review of the first Zepp-branded smartwatch the Zepp E Circle. Now we’re back with the Zepp Z review: a second, more premium watch from the fledgling Amazfit sister brand.

The Zepp Z is a bigger smartwatch with a classic watch style. It beefs up the internals, adds in some new features, and fixes a few of the problems we had with the Zepp E Circle. However, all those new features and tweaks increase the price by a significant amount. It’s a bold move, and we’re not sure if it was the right one.

Zepp Z review notes: I used the Zepp Z for seven days, running firmware v5.8.6.01. I paired the watch with my OnePlus 7 Pro for the duration of this review. Amazfit/Zepp provided Android Authority with the Zepp Z review unit. The smartwatch is compatible with both Android and iOS, via the Zepp app available on both platforms. However, we only tested it on Android.
Zepp Z Review Propped on Bench
Zepp Z
A stylish smartwatch with stellar battery life
The Zepp Z is a terrific-looking smartwatch with some premium features and amazing battery life. It makes up in looks for what it lacks in accurate health tracking and third-party app support. At its list price, it's a tough sell, but if you can find a deal it's worth a look.

Design and hardware: Going for the classic motifs

Zepp Z Review On Wrist with Face
C. Scott Brown / Android Authority

The Zepp E Circle’s design made it the nicest smartwatch I’ve ever used. It was thin, light, and its curved display gave it a premium look and feel that few smartwatches can match.

The Zepp Z delivers a similar design pedigree but in a whole new style. Instead of thin and light, the Zepp Z is thick and heavy, with a classic look. If the Zepp E Circle was trying to be an Apple Watch-esque minimalist fashion statement, the Zepp Z is going after the consumers who like watches with that timeless, evergreen style.

Personally, I’m more drawn to the Zepp E Circle design, but I can’t deny that the Zepp Z is a beautiful timepiece. It’s carved from a single piece of polished titanium alloy. The dial has engraved 60-second ticks all around it, which harkens back to old flight watches. The whole thing feels like a watch that’s gifted to you by your father, which was gifted by his father before him.

Unlike the Zepp E Circle, the Zepp Z features a rotatable crown on the right side. It has a smooth black finish on the top and ridged metal sides that feel great between your fingers. The crown turns smoothly and allows you to more accurately control the various smartwatch features. A press of the crown turns on the watch face or opens the app list if the face is already illuminated.

Zepp Z Review Inside Band
C. Scott Brown / Android Authority

Underneath the crown, you’ll find a customizable button. By default, it pulls up the activity tracker app, which gives you quick access to running, cycling, swimming, climbing, and other activities. Above the crown, you’ll find what appears to be another button, but it is inert. It doesn’t turn and it doesn’t press, making it just for show. I have no idea why Zepp went this route as it seems it would have been very easy to make this another customizable button. Strange.

Finally, the Zepp Z review unit we received came with a brown leather band. Unlike the leather band that came with the Zepp E Circle, this one is thick and tough. It felt much more like what I expect a leather watchband to be. It felt great on my wrist and was one of the first times I’ve been totally happy with the default band of a smartwatch.

Zepp Z review: Specs

Zepp Z Review Hero
C. Scott Brown / Android Authority
Zepp Z
1.39-inch AMOLED
454 x 454 resolution
550 nits peak brightness
45.9 x 45.9 x 10.75mm
~40g (without strap)
TC4 titanium alloy construction
Universal connector
Included band is brown leather
340mAh battery
Magnetic wireless charger included
Wireless charging support
Built-in microphone
No speaker
Bluetooth 5.0 LE
Built-in GPS
No Wi-Fi
Ambient light
Air pressure
Heart rate
Blood-oxygen (SpO2)
5ATM water resistance
Amazon Alexa support (inactive at launch)
Offline voice command support

Smartwatch features: A lot to love, a lot missing

Zepp Z Review on Wrist Settings
C. Scott Brown / Android Authority

The Zepp Z introduces a bunch of features that the Zepp E Circle lacked. Probably the biggest addition is built-in GPS support, including GLONASS support. This enables you to head out for a run or bike ride without your phone and still get GPS tracking.

Related: The best GPS running smartwatches

In addition to GPS support, the Zepp Z supports wireless charging. In the box, you’ll find a magnetic charging pad with a USB-A connector (there’s no charging brick). You can use this or any of the wireless charging pads you’ve got around the house to charge your watch. It also works with reverse wireless charging systems on certain smartphones. It worked great with my Samsung Galaxy S20 Ultra.

However, charging is probably not going to be on your mind very often. The 340mAh battery in the Zepp Z lasts for an ungodly amount of time. I charged it to full when I took it out of the box and then started wearing it at 8:00 AM last Monday. By 8:00 PM the following Sunday, the watch was at 8%. I probably could have made it all the way to 8:00 AM on Monday to get a full week out of it. However, that would have meant turning off sleep tracking or taking the chance that it would die before I woke up. Still, that’s nearly a week of battery life with tilt-to-wake on, multiple app notifications throughout every day, all-day step/stress/sleep/heart rate tracking on, and a pair of hour-long bike rides with GPS tracking. Not bad at all.

Finally, the Zepp Z also introduces voice commands. There are offline voice commands very similar to what we saw on the Amazfit GTS 2 and GTR 2 (Amazfit is a sister brand of Zepp). These voice commands allow you to pull up apps, set alarms, change settings, etc., using just your voice. The voice command prompt is activated every time you lift-to-wake (you can disable this if you don’t want it). Inside the Zepp app, you can find a list of all the possible commands.

It’s a fun feature but a little cumbersome. Since there’s no AI or machine learning happening, you need to be very specific with your commands. For example, if you want to check your alarms, you can’t say “Show alarms” or “Open my alarms.” You need to specifically say “Open alarm.” Personally, it would take me quite a while to memorize all the specific commands, which is a bit annoying.

The Zepp Z comes with proprietary offline voice commands out-of-the-box and will get Amazon Alexa support in the future.

Thankfully, the watch will eventually support Amazon Alexa voice commands. This is promised through a future software update. However, we couldn’t test this out. We don’t review device aspects that aren’t yet active, so we can’t say much about it. A more robust voice command system would be nice, though.

Related: The best smartwatches you can buy right now

Outside of these new features, the Zepp Z has all the same features as the Zepp E Circle. Those include app/call/text notifications support, Find My Phone, music controls, dozens of free watch faces, weather, etc. Unfortunately, it still doesn’t include third-party app support of any kind, NFC, or onboard storage. It also has no keyboard or dictation support (even though there’s a microphone). That means you can’t respond to any notifications. Your notifications also don’t sync across your watch and phone, so if you swipe something away on your watch it will still be on your phone.

Fitness and health tracking: All over the place

Zepp Z Review Back
C. Scott Brown / Android Authority

Marketing for the Zepp Z puts a big emphasis on its health tracking. On paper, there are a lot of features: steps, stress (using heart rate variability), sleep, and SpO2 (blood oxygen tracking). However, included features don’t really mean much if the accuracy of those measurements isn’t on-point. Unfortunately, just as with the Zepp E Circle, my Zepp Z review period proved that there are some big accuracy problems with this watch.

Related: The best fitness trackers you can buy right now

Let’s start with steps. For one day during this review, I wore both the Fitbit Charge 4 and the Zepp Z. For steps that day, the Fitbit recorded 3,175 steps (don’t judge me, there’s a pandemic going on). Meanwhile, the Zepp Z recorded 958 steps. Now, the Fitbit has a reputation of over-recording steps, so I’ll happily concede that maybe these two numbers are a bit closer than they seem. But still…a difference of 2,127 steps? That’s just crazy inaccurate.


GPS tracking is up next. Considering this is a new feature of the watch (and for Zepp in general), a lot is riding on this one. Unfortunately, tracking isn’t incredibly accurate. For this Zepp Z review, I put it up against the onboard GPS/GLONASS tracking of the Fitbit Charge 4. In the maps below, you can see that both trackers had me going through parks and buildings a few times, although the Zepp Z was the worst offender. See for yourself in the images below. Zepp Z is the blue line, Fitbit Charge 4 is the red line:

What about sleep tracking? The Fitbit recorded me having 58 minutes of REM sleep and 93 minutes of deep sleep that evening. The Zepp Z recorded 123 minutes of REM sleep and 44 minutes of deep sleep. Clearly, one of these two devices mistook nearly an hour of REM sleep for deep sleep or vice versa.

Finally, let’s analyze the heart rate data from the previously-mentioned bike ride. The Zepp Z had me with an average heart rate of 107 bpm while the Fitbit recorded my average at 145 bpm. Now, that bike ride was on a really chilly day and I have asthma, so I am certain my average heart rate was well above 107 bpm for that ride. Once again, the Zepp Z is coming up short, here.

Ultimately, Zepp still has a ton of work to do if it wants its smartwatches to be seen as accurate health trackers. These numbers are not encouraging.

The Zepp app: Better, but still needs work

Zepp Z Review Zepp App
C. Scott Brown / Android Authority

One of the biggest complaints I had related to the Zepp E Circle was the onboarding process with the Zepp app. Thankfully, Zepp made this slightly easier. Setting up the Zepp Z went a lot smoother. I didn’t run into any sync issues between the app and the watch this time.

However, the Zepp app still asked me to tweak my phone’s settings to ensure none of its features would be blocked by the Android system. There are still no instructions for how to do this on a OnePlus phone (or Google, LG, or Motorola phones). There are also tons of translation issues and various aspects of the app are duplicated in multiple areas. All in all, the Zepp app needs a lot of work.

The Zepp app has already improved in just a short time, but it still has a long way to go.

It’s not all doom-and-gloom, though, as the app has a ton of potential. There are lots of settings tweaks, data charts, and other helpful information. You can easily sync the app’s data with other apps, such as Google Fit and Strava. It’s especially nice that you can control most aspects of the Zepp Z right in the app, such as setting an alarm (you reading this, Wear OS team?).

The bottom line is that the Zepp Z is only going to be as powerful as its companion app, and right now, that app just isn’t great.

Zepp Z review: Value, competition, and the verdict

Zepp Z Review on Side on Bench
C. Scott Brown / Android Authority

When I finished my review of the Zepp E Circle, I gave it 3.5 stars out of five, which is an overall positive review. I noted that it was a gorgeous watch with amazing battery life, but had poor health tracking and a high price. I also dinged it for missing a ton of features, such as built-in GPS and wireless charging. However, some folks just want a great-looking watch that does the basics, and the Zepp E Circle ticks off those boxes.

Now, with my Zepp Z review finished, I’m leaving the score the same. Even though Zepp made this watch far better by including built-in GPS, wireless charging, voice commands, and an even bigger battery, it also raised the price by a whopping $100. So yeah, you’re getting a lot more watch with the Zepp Z, but you’re also paying almost as much for it as you would a Samsung Galaxy Watch 3 or an Apple Watch Series 6. When you factor in all the flaws still present here (no third-party apps, no NFC, poor companion app, poor health tracking accuracy), that’s just too much money.

If Zepp kept the price of this watch the same or at least close to the $249 price of the Zepp E Circle, my rating would be higher. With that in mind, if you can find this watch at a heavy discount, it’s worth a look. You certainly won’t be disappointed by its design or its battery life. Its upcoming Alexa support could potentially make it really useful too.

But $350 for what it is right now? Nope. You’re better off spending that money on established products from Samsung, Apple, or even Fossil. Zepp is too new at this game for this price.

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