When the holiday festivities are done with and January rolls around, people naturally look to improving their health and usually turn to smart devices to get their lifestyle back on track. Weight loss is typically part of that calculation, and while smart scales can help, there's little to distinguish between the majority of offerings on the market.

Weight and body composition analysis have become de rigueur features these days, but Withings' Body Scan Connected Health Station aims to go above and beyond the competition by offering an almost dizzying array of information about your physiological makeup.

withings body scan

Features

At $400 in the U.S. and £350 in the U.K., the Withings Body Scan is definitely at the higher end of the market for a smart scale. But when you consider its comprehensive set of body measurements, the price is a little easier to swallow. Biometrics include:

  • Weight
  • Metabolic Age
  • Basal Metabolic Rate
  • BMI
  • Segmental body composition analysis including:
    • Muscle Mass (across five zones)
    • Fat Mass (across five zones)
    • Bone Mass
    • Visceral Fat Index
    • Lean Mass
    • Water Mass
  • Nerve health
  • Pulse Wave Velocity
  • ECG
  • Vascular Age
  • Heart Rate

Connecting via Wi-Fi and Bluetooth, the scale feeds all of this information into the Withings Health Mate app, which connects to Apple Health or Google Fit to provide a comprehensive hub for pretty much everything to do with your body (more on this later).

While the scale measures weight to 0.11 pounds (50g) precision and provides several insightful metrics not seen on other scales, its standout feature is the segmental body composition analysis. This is made possible by a retractable handle that has a series of metal plates on it. When standing on the scale and with the handle held in both hands, the device sends an imperceptible electrical current through your body and analyzes the fat and muscle mass for your torso, arms, and legs independently. The idea here is to spot fat and muscle imbalances so that you can target your efforts on the specific areas of your body that need more work.

withings body scan packaging
A similar technique is also used to measure arterial stiffness, by tracking how long it takes for a wave created in the blood as the heart beats to arrive at the foot — a measure Withings calls Pulse Wave Velocity (PWV). The retractable handle also features a 6-lead ECG that, like Apple Watch, can detect AFib, the most common cardiac rhythm disturbance that can cause stroke and heart failure.

Due to differing clinical regulatory hurdles based on region, there are also a couple of differences between the Body Scan that's sold in the United States and models available in the EU.

The U.S. version includes an Electrodermal Activity (EDA) Score. This biomarker measures and assesses the activity of the sweat glands in the soles of your feet. According to Withings, the EDA score can provide care teams with insight into a patient's stress levels, diet, and overall health. Meanwhile, the EU version tracks nerve health by providing a Nerve Health Score, which can help to detect signs of peripheral autonomic neuropathies, a damage in small nerves, one of the most prevalent complications of diabetes, and other common chronic conditions.

Design and Performance

The Body Scan's design is robust and visually inoffensive, combining a sleek striped tempered glass surface with a durable plastic base. However, measuring approximately 12.5 x 14 inches, it's larger and quite a bit heavier than most smart scales. It also lacks non-slip feet on the base, so it's probably not suited to super-smooth flooring. The scale interface also includes a large, vibrant color display that's easy to read from standing height.

The initial setup process of the Body Scan is user-friendly and intuitive enough. After charging the scale via the supplied USB-C cable and downloading the Withings Health Mate app to your phone, pairing the scale is generally straightforward, although this can be subject to the usual challenges of Wi-Fi connectivity, such as signal strength and interference, so make sure you have coverage in your bathroom or wherever you plan to keep it.

withings body scan scale
To get a Body Scan, you need to stand on the scale barefoot and grip the handle with both hands. This allows the scale to conduct its comprehensive health check, but the duration for a complete scan is around one and a half minutes, so there's some waiting around. If you step off early, you'll still get your weight and some of the other standard biometrics, but things like Pulse Velocity and the segmental body composition analysis will usually fail. Fortunately, the app lets you customize which health metrics are recorded and displayed on the scale's screen, so you can tailor the experience to your own needs.

The scale can support up to eight individual user profiles, making it suitable for family use. However, its user recognition system is not foolproof and may occasionally misidentify the user standing on it, especially if two people in your household have a similar weight. Fortunately, the scale includes a neat solution that usually works – if it's not sure who you are, it will show you each family member's profile as a list, which you can scroll through by balancing on the foot of the direction you wish to scroll.

withings body scan handle
There are a few other notable features that may be appealing to different members of a household. An eyes-closed mode hides the numbers from the scale screen at weigh-ins, offering motivational messages instead, while a baby mode will give you an accurate weight of your child just by holding them in your arms and stepping on the scale. There's also a pregnancy mode and an athletic mode for tracking health with different measurement algorithms.

All of this is customizable within the app, which is generally well designed and intuitive. It includes a visual 3D map of your segmented body composition (which tells you whether you are in or outside a normal range versus other users like you), trending graphs for several metrics like weight and BMI, and actionable health insights based on your weekly and monthly trends. It also allows you to export a health report PDF for a healthcare specialist or personal trainer.

withings mate app
The app is definitely aiming to be more than just a scale accompaniment, and will also track your physical activity and sleep. It also suggests long-term goals, challenges, and reminders for continuing healthy habits. The optional Withings+ subscription ($10/month) goes further by offering programs and workouts, but unless you are invested in the Withings ecosystem, many of these things can already be achieved with an Apple Watch and Fitness+.

Final Thoughts

Priced significantly higher than many smart scales in the market, the Withings Body Scan represents a considerable investment over other smart devices. It costs almost double that of Withings' next most expensive model, but that fairly reflects the depth and breadth of health data it provides. For those readings that I could compare on another smart scale, the Body Scan appeared accurate over time, although it's worth noting that occasionally the fat mass measurements on its body segmentation scan appeared to be unrealistically low, and I had to re-take the scan once or twice to get a correct reading.

Overall, its ability to provide detailed insights into various health aspects should make it particularly appealing to health enthusiasts and anyone closely monitoring specific health conditions. That said, if all you want from a smart scale is something to track your weight and general body composition, there are plenty of other cheaper alternatives out there.

withings body scan connected health
Available on both Amazon (UK) and the Withings website, the FDA-cleared Withings Body Scan Connected Health Station is available in a white or black finish, and costs $399.99 (£349.99).

Note: Withings provided MacRumors with a Body Scan scale for the purpose of this review. No other compensation was received.

Top Rated Comments

wlossw Avatar
6 weeks ago
i wish that reviews of these fitness gadgets would delve into validating/confirming the accuracy of data presented by the devices.

these machine manufacturers make all sorts of claims about the data they generate and nobody ever tests these claims in a standard and scientific manner.

every "review" is basically a summary of features, never a test of the actual devices performance.
Score: 91 Votes (Like | Disagree)
Sorinut Avatar
6 weeks ago

i wish that reviews of these fitness gadgets would delve into validating/confirming the accuracy of data presented by the devices.

these machine manufacturers make all sorts of claims about the data they generate and nobody ever tests these claims in a standard and scientific manner.

every "review" is basically a summary of features, never a test of the actual devices performance.
Measuring body fat via electrical resistance can have a +,-10-15% error rate. It doesn't matter what brand; the concept just isn't very accurate, as current always takes the path of least resistance through the body. Even calipers are more accurate.

Hydrostatic tests are the most accurate, but for home use, just get skinfold calipers.
Score: 19 Votes (Like | Disagree)
appleguy123 Avatar
6 weeks ago
Useless review without the author getting a Dexa scan and confirming the results. Withings should include a Dexa scan reimbursement as part of the review package for the product if they were confident these measures were accurate.

I would buy the scale, even at 400$ if it had reasonable accuracy for the body composition measurements. But I’m not going to purchase it and take on faith that the accuracy of these readings is better than other smart scales.
Score: 19 Votes (Like | Disagree)
Ballinous Avatar
6 weeks ago
$400 to tell me I'm fat....no thanks, I can do my self loathing in the mirror for free.
Score: 17 Votes (Like | Disagree)
arkitect Avatar
6 weeks ago


An eyes-closed mode hides the numbers from the scale screen at weigh-ins, offering motivational messages instead,
This had me laughing. ?
Good grief!

I wonder if there is a Carrot Weather personality selector?

Professional, friendly, snarky, homicidal, or overkill.
Score: 15 Votes (Like | Disagree)
MikeCam Avatar
6 weeks ago
I'll be honest I had one for a few weeks and I ended up returning it. It takes minutes to go through the whole process each morning which is tedious and off-putting, especially when you're only going to have very minor changes day to day. Sure I could remove things from the process like the ECG (which takes as long as the Apple Watch ECG) but then what's the point of buying the body scale? Not to mention a lot of features are inaccessible because you also need to subscribe to Withings+ to get the full experience which is insane after spending $435 (incl. taxes) on the scale.

One of my biggest gripes is that it's narrow but you're meant to not have skin touch skin, like your thighs for example for an accurate body scan. You end up in a bizarre uncomfortable position for minutes until it's done. Not worth it, went back to my body comp and I'm much happier.
Score: 13 Votes (Like | Disagree)

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