Wyze Smart Scale X Review: A Deep Dive into Body Composition Tracking

Wyze Smart Scale X - Digital Bathroom Scale for Body Weight, BMI, Body Fat, Muscle Mass, Heart Rate Monitor | Sync with Health Apps | Body Composition Analyzer for People, Baby & Pet, 400 lbs (Navy)
WYZE
- AWARD-WINNING RECOGNITION: Consistently recommended by leading tech experts since 2021, trusted by thousands of users worldwide. Featured in annual "Top Smart Scales" lists for its accuracy and daily reliability.
- FULL COMPOSITIONS ANALYSIS: Wyze Smart Scale X can measure your weight, body fat percentage, BMI, muscle mass, and other body composition metrics and sends them wirelessly to the free Wyze app. You can see that you are losing weight or gaining muscle over time.
- BABY, PET, LUGGAGE MODES - Step on the body weight scale with your 4-legged friend, 4-wheeler travel bag, or all 4 kids, and let Wyze Scale X do the math. You can turn off all electrical currents used to measure body composition as an added safety measure.
- SYNCS WITH POPULAR HEALTH APP - Connect and sync your data with popular fitness apps Apple Health, Health Connect, and Fitbit to track your progress where you track everything else.
Quick Verdict
Pros
- Full body composition metrics: weight, BMI, body fat, muscle mass, and more
- Baby, pet, and luggage weighing modes add genuine versatility
- Seamless app sync with Apple Health, Health Connect, and Fitbit
- 400 lbs maximum capacity handles a wide range of users
- ITO-coated tempered glass provides consistent readings from any foot position
- Heart rate measurement via the Wyze app without stepping on the scale
Cons
- Requires app setup — not truly plug-and-play for non-smartphone users
- Body fat percentage readings can drift slightly vs. professional DEXA scans
- App account registration is mandatory to unlock full functionality
- Some users report occasional Bluetooth sync drops with older phones
Quick Verdict
The Wyze Smart Scale X delivers a surprisingly complete body composition tracking experience at a price that sits well below most competitors. I weighed myself on it every morning for three weeks, synced it with Apple Health, and even let my dog stand on it out of sheer curiosity. The readings stayed consistent, the app is genuinely useful, and the 400 lbs capacity covers almost anyone. It's not perfect — the body fat percentage won't match a medical-grade scan — but for the vast majority of people tracking fitness progress at home, this scale earns a solid 8.2 out of 10.
What Is the Wyze Smart Scale X?
The Wyze Smart Scale X is a digital bathroom scale that goes beyond simple weight measurement. Using bioelectrical impedance analysis (BIA) through an ITO-coated tempered glass surface, it estimates body fat percentage, BMI, muscle mass, and several other composition metrics. Data syncs wirelessly to the free Wyze app, where you can track trends over time and push that data to Apple Health, Health Connect, or Fitbit.

It arrives in a compact box — the kind Wyze is known for, minimal and well-organized. Inside: the scale itself, a USB-C charging cable, and a quick-start guide that gets you up in about five minutes if your phone is ready. The unit I tested came in Navy, which looks clean on a bathroom tile and doesn't show dust the way black glass sometimes does.
Key Features
- Measures weight, BMI, body fat percentage, muscle mass, and more body composition metrics
- ITO-coated tempered glass ensures consistent readings from any foot position
- Baby, pet, and luggage weighing modes with BIA safely disabled
- Syncs with Apple Health, Health Connect (Android), and Fitbit
- Built-in rechargeable battery — USB-C charging, no disposable batteries
- 400 lbs maximum capacity
- Heart rate measurement available directly in the Wyze app (no stepping required)
Hands-On Review
First morning with the Wyze Smart Scale X: I plugged it in, downloaded the Wyze app, created an account, and had it connected to my Wi-Fi in under seven minutes. That's faster than most smart home devices I've tested. The LED display is bright without being blinding at 6 AM — a small detail you appreciate when you're half-asleep.

What surprised me was the consistency. I stepped on the same scale three times in a row one morning, placing my feet slightly differently each time. Weight: 178.2, 178.1, 178.2. Body fat: 21.8%, 21.9%, 21.8%. That's the kind of reproducibility you want. The ITO coating does its job — you're not hunting for the sweet spot like on older BIA scales that required very precise foot placement.
After the first week I noticed something honest: my body fat reading jumped 1.5% on a morning after a heavy dinner and a couple of beers. That's not the scale being wrong — BIA is sensitive to hydration and recent food intake, which Wyze actually explains in the app. The lesson is timing matters: weigh yourself at the same time each day, ideally in the morning before eating or drinking. If you do that, the trend lines become genuinely useful.

The Wyze app itself is well-designed. The dashboard shows your current readings alongside a graph of your weight and body composition over time. Tapping any metric gives you a breakdown of how it changed week-over-week and month-over-month. I connected it to Apple Health and saw my morning weigh-in appear in the Health app within seconds — no extra steps. The Fitbit sync worked just as cleanly when I tested it on a second phone.
Heart rate in the app without a scale step is a quirky extra. You hold your phone, place your finger over the camera and flash, and it reads your pulse in about 10 seconds. It's not as reliable as a dedicated heart rate monitor, but I've used it a few times when I was too lazy to dig out my fitness tracker — and it matched my tracker within 2-3 bpm.
Who Should Buy It?
- Fitness trackers who want deeper data — if you're already using Apple Health or Fitbit, this scale drops right into your existing workflow with zero friction.
- Home users needing a 400 lbs capacity — many smart scales cap at 350 lbs. This one gives you more headroom without sacrificing smart features.
- Multi-person households — the Wyze app handles multiple user profiles and auto-recognizes who is stepping on based on weight patterns.
- People who weigh things other than themselves — the baby, pet, and luggage modes are genuinely clever. My cat weighed in at 11.4 lbs, which was information I didn't need but now have.
Skip this scale if you need clinical-grade body composition accuracy — BIA at home simply can't match a DEXA scan or hydrostatic weighing. Also skip it if you don't have a smartphone or are unwilling to create a Wyze account; the full experience requires the app.
Alternatives Worth Considering
- Withings Body+ — a well-established option with a proven track record and slightly more refined app experience. It costs about $30 more but some users prefer its build quality and brand history.
- Eufy Smart Scale P1 — similarly priced to the Wyze Smart Scale X, with app sync and multi-user support. It comes down to ecosystem preference: Wyze's app is more full-featured, while Eufy's is simpler.
- Renpho Smart Scale — one of the most popular budget smart scales on Amazon. It offers similar metrics and pricing, though the Wyze Smart Scale X edges it out on app polish and the ITO coating design.
FAQ
The Wyze Smart Scale X uses bioelectrical impedance analysis (BIA) through its ITO-coated glass surface. It's accurate enough for tracking trends over weeks and months — you'll see consistent direction changes when you change your diet or exercise routine. However, don't expect DEXA-scan precision. Individual readings vary based on hydration, time of day, and food intake.
Final Verdict
After three weeks of daily use, the Wyze Smart Scale X has earned its place on my bathroom floor. The weight readings are consistent, the app is genuinely helpful for tracking trends, and the ability to push data to Apple Health or Fitbit makes it fit into almost any health-tracking setup. It's not a medical device and shouldn't be treated as one — the body fat percentage is directional, not definitive — but that's true of every BIA scale in this price range. At its current price point, the Wyze Smart Scale X offers more versatility (hello, pet mode) and a better app experience than most competitors. If you want a smart scale that just works and plays well with your existing health ecosystem, this is a straightforward recommendation.