Smart Body Composition Scale
Smart Body Composition Scale
Withings Body Smart
Wi-Fi and Bluetooth sync, several user profiles and export to Apple Health and Google Fit, from a long running smart scale brand. Body fat is still an estimate, and it is not suitable if you have a pacemaker.
See our pick on AmazonChosen from the ingredient label and independent sources, not tested in our kitchen. Last checked October 2026. The rest of this guide helps you judge any alternative.We earn a commission if you buy through the link on this page, at no extra cost to you. How this works.
A bathroom scale that logs every weigh in to an app and draws the trend line for you. The trend is what counts on keto, where water weight swings by a kilo or two from one day to the next.
What to look for
- Bluetooth or wifi sync with an app you would actually open
- Support for several users, if the household shares it
- Export to Apple Health, Google Fit or your tracking app
- Consistent repeat readings, which matter more than extra metrics
Good to know
The body fat figure on home scales is an estimate that shifts with hydration, so treat it as a rough direction over months. These scales are not recommended for people with a pacemaker or other implanted device.
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The catch
Body fat and muscle figures are rough estimates that change with hydration. If you only care about weight, a basic digital scale and a notebook do the job.
Before you buy
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- The price on the retailer's page is the only accurate one. Anything quoted here can be out of date.
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General nutrition information, not medical advice. See how we pick what goes on this site or read the full affiliate disclosure.
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