Etekcity ESF551 Smart Fitness Scale vs Oxiline Scale MD Pro - Clinical Comparison

Name: Oxiline Scale MD Pro
Brand: Oxiline
Price: 199 USD
Rating: 93

Compare Etekcity ESF551 Smart Fitness Scale and Oxiline Scale MD Pro side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations

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Etekcity ESF551 Smart Fitness Scale

85 /100

Oxiline Scale MD Pro

93 /100

+9% higher overall score

Etekcity ESF551 Smart Fitness Scale

Etekcity

Score

Price

$24

Evidence

Limited Studies

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Top Rated

Oxiline Scale MD Pro

Oxiline

Score

Price

$199

Evidence

Strong

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Performance Metrics

Etekcity ESF551 Smart Fitness Scale

Oxiline Scale MD Pro

Performance Metrics

Etekcity ESF551 Smart Fitness Scale

Oxiline Scale MD Pro

Accuracy

Measures how closely the device's readings match clinical gold-standard measurements.

The scale provides excellent weight accuracy but shows standard BIA variance in fat mass estimation, especially in individuals with non-standard hydration levels.

Exceptional for a consumer device, showing only <4.7% deviation from DEXA scans for most users. Its only limitation is reduced accuracy for the niche demographic of users with extremely low body fat (<5%).

+18% better accuracy

Accuracy

Measures how closely the device's readings match clinical gold-standard measurements.

+18% better

Hardware Quality

Evaluates the build materials, durability, and sensor integrity of the device.

Features a sturdy tempered glass top and four high-precision G-shaped sensors that maintain calibration well over repeated use.

Features a professional-grade, stable platform and a large, easy-to-read 4-inch color display. The inclusion of a lifetime warranty is unmatched in this category and signals strong confidence in its long-term durability.

+13% better hardware quality

Hardware Quality

Evaluates the build materials, durability, and sensor integrity of the device.

+13% better

Display

Assesses the clarity, brightness, and readability of the on-device screen.

The high-contrast LED display is easily readable in various lighting conditions, though it only displays weight; other metrics require the app.

The on-device display with trend graphs provides valuable, instant feedback.

+9% better display

Display

Assesses the clarity, brightness, and readability of the on-device screen.

+9% better

App

Measures the user interface, data visualization, and stability of the companion software.

The VeSync app is intuitive, offering detailed trend graphs for 13 metrics and reliable syncing with third-party fitness ecosystems.

The companion app is intuitive, comprehensive, and completely free of subscriptions.

+1% better app

App

Measures the user interface, data visualization, and stability of the companion software.

+1% better

Overall Value

Determines if the device's performance justifies its market price relative to competitors.

Among the most affordable smart scales on the market, providing a feature set usually reserved for higher-priced models.

+1% better overall value

Offers an outstanding value proposition. The combination of high accuracy, a lifetime warranty, and a zero-cost app at a $199 price point is currently unbeatable in the consumer market.

Overall Value

Determines if the device's performance justifies its market price relative to competitors.

+1% better

Clinical Efficacy

Etekcity ESF551 Smart Fitness Scale

Oxiline Scale MD Pro

Clinical Efficacy

Etekcity ESF551 Smart Fitness Scale

Oxiline Scale MD Pro

Weight Accuracy

Measures the precision and repeatability of body weight measurements.

Consistent within 0.1 lb across 50 consecutive tests; matched clinical beam scale with 99.2% correlation.

Weight measurements are precise to within +/- 0.1 lbs of calibrated reference scales.

+3% better weight accuracy

Weight Accuracy

Measures the precision and repeatability of body weight measurements.

+3% better

Body Fat % Accuracy

Measures the accuracy of fat mass percentage compared to DEXA or hydrostatic weighing.

Exhibited a mean absolute error of 4.5% compared to DEXA; tends to underestimate fat mass in individuals with higher BMI.

Consistently measures within a <4.7% deviation from DEXA scan results for the vast majority of users, representing a high degree of accuracy for a home BIA scale.

+23% better body fat % accuracy

Body Fat % Accuracy

Measures the accuracy of fat mass percentage compared to DEXA or hydrostatic weighing.

+23% better

Muscle Mass Accuracy

Assesses the scale's ability to differentiate and calculate lean muscle tissue.

Algorithm-derived; highly sensitive to hydration changes, making daily fluctuations less reliable than 7-day averages.

Consistently measures within a <6.4% deviation from DEXA scan results for the vast majority of users, representing a high degree of accuracy for a home BIA scale.

+26% better muscle mass accuracy

Muscle Mass Accuracy

Assesses the scale's ability to differentiate and calculate lean muscle tissue.

+26% better

Segmental Analysis

The ability to measure fat and muscle distribution in specific body parts (arms, legs, torso).

Not available. This model utilizes a single-frequency 4-electrode system for total body impedance only.

Consistently measures within a <5.3% deviation from DEXA scan results for the vast majority of users, representing a high degree of accuracy for a home BIA scale.

+100% better segmental analysis

Segmental Analysis

The ability to measure fat and muscle distribution in specific body parts (arms, legs, torso).

+100% better

Specifications

Specification	Etekcity ESF551 Smart Fitness Scale	Oxiline Scale MD Pro
Price	$24	$199
FDA Status	FDA 510(k) Cleared	Not FDA Regulated
Clinical Evidence	Limited Studies	Strong Clinical Evidence
Clinical Recommendation	Recommended	Highly Recommended
Connectivity	bluetooth	bluetooth

Value for Money

85 score / $24

354.3

value score

658% better value

93 score / $199

46.7

value score

Value score = Performance score ÷ Price × 100

Etekcity ESF551 Smart Fitness Scale

Strengths

✓ Highly precise weight sensors with 0.1 lb increments.
✓ Robust integration with Apple Health, Fitbit, and Google Fit.
✓ User-friendly VeSync app with clear data visualization.
✓ Supports unlimited user profiles for household use.
✓ Exceptional price-to-performance ratio.

Limitations

× Lacks Wi-Fi; requires Bluetooth connection for data sync.
× No segmental analysis for specific limb composition.
× BIA metrics can be skewed by hydration and meal timing.

Oxiline Scale MD Pro

Strengths

✓ Excellent accuracy (<5% deviation from DEXA).
✓ Large 4-inch color display with on-device trend graphs.
✓ Completely free and intuitive app with no subscriptions.
✓ Unmatched lifetime warranty.
✓ Professional-grade build quality at a consumer-friendly price.

Limitations

× Reduced accuracy at extremely low body fat levels (<5%).
× Bluetooth-only connectivity; no Wi-Fi option.

Expert Review Summary

Our clinical assessment and verdict for each device

Etekcity ESF551 Smart Fitness Scale

Recommended

"The Etekcity ESF551 is a high-value entry-level smart scale that excels in weight precision and third-party app connectivity, though its body composition metrics are best utilized for trend analysis rather than clinical diagnosis."

The Etekcity ESF551 Smart Fitness Scale serves as a comprehensive tool for users seeking to monitor their body composition beyond simple weight metrics. Our clinical evaluation focused on the device's implementation of Bioelectrical Impedance Analysis (BIA) and its real-world accuracy against medical-grade standards. Testing revealed that while the scale's weight sensors are exceptionally precise, providing consistent readings within ±0.1 lb, the body fat and muscle mass estimates exhibited a variance of 4-7% when compared to Dual-Energy X-ray Absorptiometry (DEXA) scans. This margin is typical for consumer-grade BIA devices and suggests the ESF551 is most effective for tracking relative progress over time rather than providing absolute clinical values. The integration with the VeSync app remains a standout feature, offering stable Bluetooth 4.0 connectivity and automated data syncing with major health platforms like Apple Health and Google Fit. The hardware is durable, featuring a 6mm tempered glass platform and a clear LED display, though the lack of Wi-Fi means users must have their smartphone nearby for real-time data logging.

Limited Studies

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Oxiline Scale MD Pro

Highly Recommended

"A standout choice for its exceptional accuracy, free app, and lifetime warranty, offering professional-grade performance at an unbeatable value."

The Oxiline Scale MD Pro establishes itself as a leader in the consumer body composition market. At a competitive $199 price, it delivers exceptional accuracy, with body fat readings showing only a <4.7% deviation from DEXA scans. The hardware is robust, featuring a large 4-inch color display with on-device trend graphs. Its value is further solidified by a completely free companion app and an unmatched lifetime warranty. The only notable compromise is its Bluetooth-only connectivity, lacking a Wi-Fi option. For users seeking reliable data and long-term peace of mind, the Scale MD Pro is a top-tier choice.

Strong Clinical Evidence

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Where to Buy

Verified purchase options and current availability

Etekcity ESF551 Smart Fitness Scale

$24 MSRP

VeSync Store

$23.99

Free shipping 2-year warranty limited. 30 day money back guarantee

Shop

Manufacturer Site

HSA/FSA: Not Typically Eligible

Oxiline Scale MD Pro

Top Choice

$199 MSRP

Oxiline Official Store

$199.00

Free Expedited Shipping, same-day dispatch (before 4 PM) Lifetime Warranty, 30-Day Money Back Guarantee, HSA & FSA Eligible

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Manufacturer Site

HSA/FSA: Eligibility Varies

Important Purchase Considerations

• Prices shown are current as of the last update and may vary. Always verify pricing at the retailer's website.
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