Withings Body Smart replaced the discontinued Withings Body Smart as Withings’ mid-tier smart scale. Based on manufacturer specs and aggregated owner reviews, it covers the core metrics most users track day to day, including weight, body fat percentage, and BMI, syncing automatically to the Health Mate app over Wi-Fi.Owners generally describe it as an easy, low-maintenance scale for tracking trends over time, without the segmental body composition or vascular metrics found on Withings’ higher-end models.
Check price on AmazonSmart scales have revolutionized how we track health metrics at home, offering insights beyond simple weight measurements. Good Housekeeping has extensively tested numerous models to evaluate their accuracy, reliability, and app functionality, providing consumers with reliable recommendations.
These sophisticated devices use bioelectrical impedance analysis to estimate body fat percentage, muscle mass, bone density, and hydration levels. Our curated selection highlights scales that consistently provide accurate readings while seamlessly integrating with popular health apps and fitness platforms.
How we rank
Our rankings analyze Good Housekeeping's testing results alongside consumer feedback and technical specifications. See our method.
Quick picks
| Best for | Product | Who it suits |
|---|---|---|
| Best Overall | Withings Body Smart | Everyday users seeking comprehensive health metrics |
| Best Value | Fitbit Aria Air Smart Scale | Existing Fitbit ecosystem users |
| Best for Athletes | Index Smart Scale | Serious athletes and fitness enthusiasts |
| Best Budget | Smart Body Fat Scale | Budget-conscious buyers wanting essential metrics |
| Best for Beginners | Smart Scale P2 Pro | Users new to smart scales and body tracking |
| Best for Data Analysis | Withings Body Comp | Data enthusiasts who want deep insights |
| Best Lightweight | Scale | Users needing a portable and compact smart scale |
The picks, compared
Withings Body Smart
Withings Body Smart replaced the discontinued Withings Body Smart as Withings’ mid-tier smart scale. Based on manufacturer specs and aggregated owner reviews, it covers the core metrics most users track day to day, including weight, body fat percentage, and BMI, syncing automatically to the Health Mate app over Wi-Fi.
Owners generally describe it as an easy, low-maintenance scale for tracking trends over time, without the segmental body composition or vascular metrics found on Withings’ higher-end models.
- Simple setup with automatic Wi-Fi syncing
- consistent tracking over time in the Health Mate app
- slim, minimal design
- Fewer advanced metrics than the Body Comp or Body Scan models
- accuracy depends on consistent measurement conditions
Fitbit Aria Air Smart Scale
The Fitbit Aria Air is Fitbit’s current entry-level smart scale, replacing the discontinued Fitbit Aria Air Smart Scale. Based on manufacturer specs, it measures weight and BMI and automatically logs each reading to the Fitbit app, where it can be tracked alongside steps, sleep and heart rate data.
Aggregated owner reviews describe it as reliable for day-to-day weigh-ins, though it skips the body composition metrics found on higher-end scales. It remains a solid pick for anyone already inside the Fitbit ecosystem who just wants consistent weight tracking.
- Simple, accurate weight and BMI tracking
- syncs automatically to the Fitbit app
- compact design fits any bathroom
- No body fat or muscle mass metrics like pricier scales
- requires a Fitbit account to use
Index Smart Scale
The Garmin Index Smart Scale provides advanced metrics that serious athletes require for precise training and progress monitoring. Good Housekeeping highlighted its exceptional accuracy across all measured parameters and its seamless integration with Garmin's fitness ecosystem. The scale tracks up to 16 different body metrics including muscle mass, bone mass, and body water percentage. Its ability to pair with Garmin wearables creates a comprehensive training ecosystem that many athletes find invaluable.
What owners say: Athletes particularly value the detailed body composition data that helps them fine-tune training programs and nutrition plans. Many report that the trend graphs in the Garmin Connect app provide meaningful insights into their fitness progression.
- Most comprehensive metrics tracking in its class
- Excellent integration with Garmin fitness ecosystem
- Supports up to 16 user profiles
- Large, easily readable display with high contrast
- Higher price point compared to basic models
- Premium features require Garmin account subscription
Smart Body Fat Scale
The Renpho Smart Body Fat Scale delivers impressive performance at a budget-friendly price point, according to Good Housekeeping's thorough evaluation. While it lacks some premium features, it provides accurate core measurements including weight, body fat percentage, and BMI. The Renpho Health app offers clear data visualizations and allows for unlimited user profiles, making it suitable for families. Its straightforward design focuses on essential functions without unnecessary complexity.
What owners say: Users frequently mention the excellent value for money, noting that it delivers accurate readings comparable to much more expensive models. Many appreciate the simple app interface that does not require a steep learning curve.
- Excellent value with essential measurements
- Unlimited user profiles
- Compatible with multiple fitness apps including Apple Health and Google Fit
- Quick and consistent measurements
- Fewer advanced metrics compared to premium models
- App interface less polished than competitors
Smart Scale P2 Pro
The Eufy Smart Scale P2 Pro offers a user-friendly introduction to smart body composition tracking with an intuitive interface and helpful guidance. Good Housekeeping testers noted its excellent setup process and clear explanations of metrics within the accompanying app. The scale measures 14 different body composition metrics while presenting information in accessible formats for beginners. Its unique feature includes a Baby Mode that allows weighing young children and monitoring their growth.
What owners say: Newcomers to smart scales appreciate the straightforward app walkthrough that explains what each metric means and why it matters. Many mention the excellent customer service and the responsive support from Eufy when questions arise.
- Extremely beginner-friendly app with helpful explanations
- 14 comprehensive body metrics
- High visibility display with large numbers
- Excellent build quality for the price point
- Baby Mode requires additional accessories
- Occasional Bluetooth connection delays reported
Withings Body Comp
Withings Body Comp is the current flagship in the Withings smart scale lineup, effectively succeeding the discontinued Withings Body Comp. Based on manufacturer specs and aggregated owner reviews, it expands tracking to include visceral fat estimation, vascular age, and segmental body composition alongside standard weight and BMI readings.
Owners generally report reliable Wi-Fi syncing and clean integration with the Health Mate app, with the fullest range of insights unlocked through a Withings+ subscription.
- Tracks a broader set of body composition metrics than earlier Withings scales
- syncs automatically over Wi-Fi
- compatible with Apple Health and other fitness apps
- Some advanced metrics require a Withings+ subscription
- priced higher than basic smart scales
Scale
The Wyze Scale offers a compact design perfect for smaller bathrooms while maintaining accurate body composition tracking capabilities. Good Housekeeping's evaluation noted its surprising performance given the compact form factor and affordable price point. The scale measures 12 body metrics and syncs with the user-friendly Wyze app. Its slim profile and lightweight construction make it ideal for those with limited space or who need to store their scale between uses.
What owners say: Many reviewers highlight how the compact size fits perfectly in small apartments and bathrooms without sacrificing functionality. Users appreciate the fast measurements and the clear, bright display that remains readable even in low lighting conditions.
- Ultra-compact and lightweight design
- Affordable price with essential measurements
- Clear display with large numbers
- Simple app interface with useful trend tracking
- Fewer metrics than larger competitors
- Requires phone nearby for bluetooth sync
How to choose
- Accuracy and Precision. The most critical factor is measurement accuracy compared to standardized medical equipment. Look for scales with consistent readings across multiple weigh-ins and minimal variance when used by the same person.
- App Connectivity and Integration. Evaluate how seamlessly the sync works with your smartphone and fitness apps. Consider whether the scale integrates well with platforms you already use, such as Apple Health, Google Fit, or brand-specific ecosystems.
- Number of Metrics Tracked. Basic models measure weight and BMI, while advanced scales track body fat percentage, muscle mass, bone density, and hydration. Select a scale that provides the specific metrics relevant to your health and fitness goals.
- User Profile Capacity. Households need scales that can recognize and track data for multiple users. Look for models that support at least 8 user profiles with automatic recognition based on weight and body composition patterns.
- Display and Design. Consider the visibility of numbers in different lighting conditions and whether the display shows all relevant metrics at once. The scale should be aesthetically pleasing in your space while offering stable footing for safe use.
Frequently asked questions
How accurate are smart scales compared to medical devices?
Smart scales typically provide readings within 3-5% of professional medical equipment for weight and body composition. However, they shouldn't replace regular medical checkups for those with serious health conditions requiring precise measurements.
Can multiple users use one smart scale?
Most quality smart scales support multiple users through automatic recognition based on weight patterns. Simply step on, and the scale identifies the appropriate user profile, syncing data to the correct account automatically.
Do smart scales require WiFi or bluetooth?
Smart scales need either WiFi or Bluetooth to sync data with smartphone apps. WiFi-enabled models can upload data even when your phone is out of range, while Bluetooth models require your phone nearby for data transfer.
How often should I weigh myself on a smart scale?
Most health experts recommend weighing yourself once or twice per week at the same time of day, typically in the morning. Consistent timing ensures the most accurate tracking of trends rather than day-to-day fluctuations.
Are smart scales safe for pregnant women?
Smart scales are generally safe for pregnancy if used for basic weight tracking under healthcare provider guidance. However, the body composition features that use electrical currents should be avoided during pregnancy unless explicitly recommended by a doctor.
Why do body composition readings vary throughout the day?
Body composition measurements naturally fluctuate due to hydration levels, recent meals, exercise, and time of day. For consistent tracking, experts recommend weighing at the same time under similar conditions, typically in the morning after waking.
The verdict
The Withings Withings Body Smart stands as the best overall smart scale, offering exceptional accuracy and comprehensive metrics that benefit most users. Athletes and fitness enthusiasts should consider the Garmin Index Smart Scale for its advanced metrics and seamless integration with training ecosystems. Budget-conscious buyers will find excellent value in the Renpho Smart Body Fat Scale, which delivers core measurements without unnecessary complexity.