6 products tested & ranked

We Tested 6 Smart Scales & Body Composition — Here's What's Actually Worth It

We tested leading smart scales head-to-head to find which deliver the most accurate and useful body composition data for your health journey.

Featuring:

Withings Body Scan·

Withings Body Smart·

Eufy Smart Scale P2 Pro·

Wyze Scale X·

Garmin Index S2+1 more

Helping 12,000+ professionals choose the right tools

Quick Answer

Our Top 3 Picks at a Glance

See all reviews

Best Overall

9.0

Withings Body Scan

$399.95. Some features require Withings+ subscription ($9.95/mo).

The most advanced consumer smart scale with segmental body composition, ECG, and vascular age assessment.

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Best for Small Teams

8.5

Withings Body Smart

$99.95 retail price.

A mid-range smart scale with body composition tracking, Wi-Fi sync, and the excellent Withings Health Mate app.

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Best Value

8.2

Eufy Smart Scale P2 Pro

$49.99 retail price.

A feature-rich smart scale with 16 body metrics, Wi-Fi connectivity, and an engaging companion app at a mid-range price.

Check Price at Eufy

Why Smart Scales Are Essential Health Tools

Your weight alone tells an incomplete story. Smart scales use bioelectrical impedance analysis (BIA) to estimate body fat percentage, muscle mass, bone density, and hydration levels. This broader picture helps you understand whether you are losing fat, gaining muscle, or simply fluctuating due to water retention.

How We Test Smart Scales

We evaluate each smart scale over a four-week period, taking daily measurements at consistent times. We compare body composition readings against DEXA scan baselines and assess consistency across repeated measurements. App quality, multi-user support, and integration with fitness ecosystems are all factored into our ratings.

Choosing the Right Smart Scale

Consider whether you need basic weight tracking or full body composition analysis. Wi-Fi-connected scales sync automatically without needing your phone nearby, while Bluetooth-only models require the app to be open during weigh-ins. For households, look for scales that support multiple user profiles.

0Products Tested

0+Hours of Testing

0+Years Experience

0Expert Reviewers

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Our Top Picks

#1 Top Pick

Withings Body Scan

Best Overall

9.0

Excellent

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#2 Runner Up

Withings Body Smart

Best Value

8.5

Very Good

Shop at Withings

#3 Also Great

Eufy Smart Scale P2 Pro

Best App Experience

8.2

Very Good

Check Price at Eufy

#1 Our Top Pick

Editor's Choice

$399.95. Some features require Withings+ subscription ($9.95/mo).

Withings Body Scan

Health enthusiasts who want the most comprehensive body composition and cardiovascular data from a smart scale

Read Full Review →

Excellent

Accuracy9.5

Features9.5

Ease of Use8.5

Build Quality9.5

Head-to-Head Comparison

Feature	Withings Body Scan9.0/10	Withings Body Smart8.5/10	Eufy Smart Scale P2 Pro8.2/10	Wyze Scale X8.0/10	Garmin Index S27.9/10	Renpho Smart Scale7.6/10
Starting Price	$399.95. Some features require Withings+ subscription ($9.95/mo).	$99.95 retail price.	$49.99 retail price.	$33 retail price.	$149.99 retail price.	$25.99 retail price.
Price	$399.95	$99.95	$49.99	$33	$149.99	$25.99
Body Composition
Wi-Fi Sync
Metrics Tracked	40+	8	16	13	6	13
Multi-User Support	8 users	8 users	Unlimited	8 users	16 users	Unlimited
App Quality	9.0	9.0	8.5	8.0	8.0	8.0
Accuracy Rating	9.5	8.5	8.0	7.5	8.0	7.0
	Shop at Withings	Shop at Withings	Check Price at Eufy	Check Price at Wyze	Check Price at Garmin	Check Price

Detailed Reviews

Very Good

Withings Body Smart

Best ValueHealth-conscious individuals wanting reliable body composition tracking with an excellent app experience

Accuracy8.5

Features8.0

Ease of Use9.0

Build Quality8.5

Pros

Excellent value with body composition at $99.95
Wi-Fi auto-sync works without phone nearby
Health Mate app is best-in-class for smart scales
Pregnancy and athletic modes add versatility
FSA/HSA eligible

Cons

Foot-only BIA is less precise than handle-based analysis
Visceral fat readings can be inconsistent
Some advanced insights require Withings+ subscription
Glass surface shows fingerprints easily

Pricing: $99.95 retail price.

A mid-range smart scale with body composition tracking, Wi-Fi sync, and the excellent Withings Health Mate app.

Read Full Review →

Very Good

Eufy Smart Scale P2 Pro

Best App ExperienceUsers wanting a rich app experience and comprehensive metrics at a mid-range price

Accuracy8.0

Features8.5

Ease of Use8.5

Build Quality7.5

Pros

16 body metrics at just $49.99 is excellent value
Wi-Fi connectivity enables automatic syncing
Engaging app with 3D body model visualization
Unlimited user profiles for large households
No subscription required

Cons

Auto-recognition can misidentify users with similar weights
Some metric readings fluctuate more than premium scales
Wi-Fi setup can be finicky on some routers
Glass platform shows smudges easily

Pricing: $49.99 retail price.

A feature-rich smart scale with 16 body metrics, Wi-Fi connectivity, and an engaging companion app at a mid-range price.

Read Full Review →

Very Good

Wyze Scale X

Best BudgetBudget-conscious shoppers wanting smart scale basics at an unbeatable price

Accuracy7.5

Features7.5

Ease of Use9.0

Build Quality7.5

Pros

Unbeatable value at just $33
22-month battery life on AAA batteries
Clean, intuitive Wyze app
Supports 8 users with auto-recognition
No subscription required

Cons

Bluetooth-only means phone must be nearby for sync
Body composition accuracy trails more expensive scales
Basic app lacks advanced health insights
Limited third-party app integrations

Pricing: $33 retail price.

An incredibly affordable smart scale with 13 body metrics, Bluetooth connectivity, and a clean companion app.

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Good

Garmin Index S2

Best for Garmin UsersGarmin watch owners wanting seamless body composition integration with their fitness data

Accuracy8.0

Features7.5

Ease of Use8.5

Build Quality8.5

Pros

Seamless integration with Garmin Connect ecosystem
On-device color display eliminates need to check phone
Supports 16 users with auto-recognition
Wi-Fi auto-sync is reliable
Solid build quality

Cons

Only 6 body metrics compared to 13-16 on competitors
$149.99 is expensive for the metric count
Only valuable if you use Garmin devices
AA batteries rather than rechargeable

Pricing: $149.99 retail price.

A smart scale designed for Garmin ecosystem users with Wi-Fi sync, body composition metrics, and seamless Connect integration.

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Good

Renpho Smart Scale

Most AffordableBudget shoppers wanting a reliable, no-frills smart scale with broad app compatibility

Accuracy7.0

Features7.0

Ease of Use8.5

Build Quality7.0

Pros

Under $30 makes it the most affordable smart scale we tested
Clean, user-friendly Renpho Health app
Broad ecosystem support including Samsung Health
Unlimited user profiles
No subscription required

Cons

Bluetooth-only requires phone nearby for syncing
Body composition readings are less precise than premium options
Plastic construction feels less premium
Battery life is shorter than some competitors at 12 months

Pricing: $25.99 retail price.

The best-selling budget smart scale with 13 body metrics, Bluetooth connectivity, and a user-friendly app for under $30.

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Our Testing Methodology

Each smart scale is tested daily over four weeks. We compare body composition readings against DEXA scan baselines and evaluate measurement consistency with repeated weigh-ins. App quality, third-party integration, multi-user support, and build quality all factor into our final scores.

Written by

Dr. Rachel TorresHealth Technology Editor

Dr. Rachel Torres holds a Ph.D. in Biomedical Engineering and has spent 9 years evaluating consumer health technology. She specializes in wearable biosensors, clinical accuracy validation, and the intersection of medical-grade monitoring and consumer wellness devices. Her reviews combine clinical research methodology with practical consumer guidance.

Wearable TechnologyBiosensorsClinical ValidationHealth Monitoring

Our Top 3 Picks at a Glance

Why Smart Scales Are Essential Health Tools

How We Test Smart Scales

Choosing the Right Smart Scale

Our Top Picks

Withings Body Scan

Head-to-Head Comparison

Detailed Reviews

Withings Body Smart

Pros

Cons

Eufy Smart Scale P2 Pro

Pros

Cons

Wyze Scale X

Pros

Cons

Garmin Index S2

Pros

Cons

Renpho Smart Scale

Pros

Cons

Our Testing Methodology

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