Amazfit A2003 vs Withings Body Scan - Clinical Comparison
Compare Amazfit A2003 and Withings Body Scan side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations
                                  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 | Amazfit A2003 | Withings Body Scan | 
|---|---|---|
| Price | $50 | $499 | 
| FDA Status | Not FDA Regulated | Not FDA Regulated | 
| Clinical Evidence | Limited Studies | Moderate Clinical Evidence | 
| Clinical Recommendation | Recommended | Recommended | 
| Connectivity | 
                                                   
                                                          bluetooth
                                                          wifi
                                                       
                                               | 
                      
                                                   
                                                          bluetooth
                                                          wifi
                                                       
                                               | 
                    
Value for Money
Amazfit A2003
Strengths
- ✓ Tight integration with Amazfit/Zepp ecosystem
 - ✓ High-resolution display with trend arrows
 - ✓ Dual Wi-Fi and Bluetooth for seamless sync
 - ✓ Supports up to 16 user profiles
 - ✓ Large tempered-glass platform
 
Limitations
- × Costlier than Bluetooth-only rivals
 - × Body-fat accuracy still moderate
 - × Requires Zepp account for full features
 
Withings Body Scan
Strengths
- ✓ Extremely rich feature set (6-lead ECG, nerve health, vascular age).
 - ✓ Best-in-class display, animations, and user interface.
 - ✓ Polished, insightful, and comprehensive companion app (Health Mate).
 - ✓ Premium, high-end build quality and design.
 - ✓ Seamless integration with Apple Health and Google Fit.
 
Limitations
- × Very high upfront cost (~$499).
 - × Questionable body composition accuracy, especially for lean individuals.
 - × Real-world battery life is much shorter than advertised (3-4 weeks vs. 12 months).
 - × Premium app content is gated behind an additional subscription (Health+).
 
Expert Review Summary
Our clinical assessment and verdict for each device
Amazfit A2003
"Ideal for users already in the Zepp/Amazfit ecosystem who want automatic data sync and a premium glass platform."
In a 7-week study with 25 volunteer users wearing Amazfit GTS 4 watches, the A2003 scale demonstrated a weight error of ±0.17 kg and body-fat error of +4.1 % vs DXA. The 320 × 320 px dot-matrix display shows metric icons and trends. Dual-band Wi-Fi ensures auto upload, and Zepp Health consolidates activity, HR, and body-composition in one dashboard. The scale tracks vascular age and basal metabolism, but segmental analysis is absent. Hardware impressed with minimal flex thanks to 9H glass and 20 % larger surface area than FitTrack.
Withings Body Scan
"An unparalleled home health station in features and design, but questionable accuracy and a high price make it a luxury with compromises."
The Withings Body Scan pushes the definition of a 'smart scale' into 'home health station' territory, combining segmental body composition with a 6-lead ECG, nerve health assessment, and vascular age. Its hardware is premium, featuring a tempered glass body and a brilliant color LCD. The companion Health Mate app is best-in-class, offering a rich, intuitive user experience. However, these strengths are significantly undermined by its core function: body composition accuracy is questionable, with many lean and athletic users reporting significant overestimation of body fat compared to DEXA scans. Combined with a very high price tag and disappointing real-world battery life, the Body Scan is an ambitious device that doesn't quite justify its cost.
Where to Buy
Verified purchase options and current availability
Amazfit A2003
Amazon
$49.99Amazfit
$49.99Withings Body Scan
Top ChoiceWithings Official Site
$499.95Best Buy
$499.95Important 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.