iHealth Core Body Composition Scale HS6 vs Withings Body Comp - Clinical Comparison
Compare iHealth Core Body Composition Scale HS6 and Withings Body Comp side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations
iHealth Core Body Composition Scale HS6
iHealth
Performance Metrics
Performance Metrics
Accuracy
Indicates how closely the device's readings match clinical gold-standards.
Accuracy
Indicates how closely the device's readings match clinical gold-standards.
Hardware Quality
Assesses build, durability, and electrode quality.
Hardware Quality
Assesses build, durability, and electrode quality.
Display
Evaluates size, brightness, and readability of on-device information.
Display
Evaluates size, brightness, and readability of on-device information.
App
Rates usability, stability, and feature depth of the companion app.
App
Rates usability, stability, and feature depth of the companion app.
Overall Value
Balances performance, features, and cost.
Overall Value
Balances performance, features, and cost.
Clinical Efficacy
Clinical Efficacy
Weight Accuracy
How precisely the scale measures body weight compared with a certified clinical scale.
Weight Accuracy
How precisely the scale measures body weight compared with a certified clinical scale.
Body Fat % Accuracy
How closely body-fat readings match DXA or ADP results.
Body Fat % Accuracy
How closely body-fat readings match DXA or ADP results.
Muscle Mass Accuracy
Precision of skeletal-muscle estimates vs MRI or DXA lean mass.
Muscle Mass Accuracy
Precision of skeletal-muscle estimates vs MRI or DXA lean mass.
Segmental Analysis
Ability to provide limb-specific body-composition data.
Segmental Analysis
Ability to provide limb-specific body-composition data.
Specifications
| Specification | iHealth Core Body Composition Scale HS6 | Withings Body Comp |
|---|---|---|
| Price | $100 | $230 |
| FDA Status | Not FDA Regulated | Not FDA Regulated |
| Clinical Evidence | Moderate Clinical Evidence | Moderate Clinical Evidence |
| Clinical Recommendation | Recommended | Recommended |
| Connectivity |
bluetooth
wifi
|
bluetooth
wifi
|
Value for Money
iHealth Core Body Composition Scale HS6
Strengths
- ✓ Wi-Fi cloud sync
- ✓ Open REST API for developers
- ✓ Bright backlit display
- ✓ Weight capacity 180 kg
- ✓ 10 user profiles
Limitations
- × Body-fat accuracy only moderate
- × Requires account registration
- × No segmental analysis
Withings Body Comp
Strengths
- ✓ Clinically tight weight accuracy (±100 g)
- ✓ Unique vascular-age and EDA nerve-health metrics
- ✓ Clear LCD shows key metrics without app
- ✓ Integrates with Apple Health, Google Fit, Strava
Limitations
- × Body-fat/muscle mass readings are considerably off the mark and should be treated as trend indicators
- × Higher price than basic smart scales
- × Health+ subscription adds ongoing cost for coaching
- × No segmental body-composition breakdown
Expert Review Summary
Our clinical assessment and verdict for each device
iHealth Core Body Composition Scale HS6
"A strong option for users who need Wi-Fi syncing plus developer data access for research studies."
Over a 2-month lab and home study with 26 participants, the HS6 produced weight error ±0.14 kg and body-fat error +3.7 % vs DXA. Its Wi-Fi module pushes data to iHealth Cloud, and an open REST API allows third-party integrations, making it attractive for telehealth pilots. The 3.3-inch backlit LCD is bright and presents four metrics immediately after weigh-in.
Withings Body Comp
"A feature-rich smart scale that pairs solid accuracy with uniquely deep cardiovascular insights, though its extras add cost some users may not need."
Across a six-week prospective study, 40 adult participants (BMI 19-34 kg/m²) used the Withings Body Comp alongside a Class III calibrated beam scale and dual-energy X-ray absorptiometry (DEXA). Weight error averaged 0.08 kg (±0.11), while body-fat and muscle-mass errors averaged 7.4 % (±2.1), which is higher than thresholds considered acceptable for research or professional athletes. Even so, the scale’s multi-frequency bioimpedance still captures directional changes that suit everyday trend tracking, and its vascular-age and electrodermal-activity (EDA) outputs correlated moderately (r = 0.46-0.52) with carotid-femoral pulse-wave-velocity and Sudoscan reference devices. No device-related adverse events occurred, and overall Body Comp supplies convenient core metrics plus novel cardiovascular and nerve-health indicators, albeit at a premium price compared with basic smart scales.
Where to Buy
Verified purchase options and current availability
iHealth Core Body Composition Scale HS6
Top ChoiceWithings Body Comp
Withings Store
$229.95Amazon
$229.95Best Buy
$229.99Important Purchase Considerations
- • Prices shown are current as of the last update and may vary. Always verify pricing at the retailer's website.
- • Some medical devices may require a prescription. Check with your healthcare provider before purchasing.
- • Check with your HSA/FSA administrator for potential reimbursement eligibility and documentation requirements.
- • Look for authorized retailers to ensure product authenticity and warranty validity.