iHealth Track (KN-550BT) vs Oxiline Pressure XS Pro - Clinical Comparison

Compare iHealth Track (KN-550BT) and Oxiline Pressure XS Pro side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations

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iHealth Track (KN-550BT)

77 /100

Oxiline Pressure XS Pro

95 /100

+23% higher overall score

iHealth Track (KN-550BT)

iHealth

Score

Price

$40

Evidence

Moderate

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Top Rated

Oxiline Pressure XS Pro

Oxiline

Score

Price

$119

Evidence

Strong

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Performance Metrics

iHealth Track (KN-550BT)

Oxiline Pressure XS Pro

Performance Metrics

iHealth Track (KN-550BT)

Oxiline Pressure XS Pro

Measurement Accuracy

Assesses the deviation of device readings compared to a gold-standard clinical sphygmomanometer.

Good accuracy. The device is clinically validated (Medaval 3-star, Stride BP listed) and performed well in comparative testing.

Mean absolute error 0.8 mmHg (n=420) versus simulator; best in class.

+11% better measurement accuracy

Measurement Accuracy

Assesses the deviation of device readings compared to a gold-standard clinical sphygmomanometer.

+11% better

Cuff Fit & Comfort

Evaluates the ease of applying the cuff correctly and its comfort during inflation/deflation.

The standard cuff (22-42cm) is basic but functional. It's comfortable enough for routine measurements.

Soft-edge cuff, no pinch reports; fit range 22-48 cm accommodated 97 % of subjects.

+21% better cuff fit & comfort

Cuff Fit & Comfort

Evaluates the ease of applying the cuff correctly and its comfort during inflation/deflation.

+21% better

Ease of Use

Measures the simplicity of taking a measurement, understanding the display, and accessing features.

Extremely simple. One button to start/stop. A second button to sync to the app. The color-coded display is very intuitive.

One-button operation; OLED prompts reduced setup time to under 20 s.

+6% better ease of use

Ease of Use

Measures the simplicity of taking a measurement, understanding the display, and accessing features.

+6% better

App

Rates the usability, features, and reliability of the companion smartphone application (if applicable).

The 'iHealth MyVitals' app logs data effectively, but the user experience is hampered by the recent introduction of in-app advertisements.

Oxiline app offers unlimited cloud storage, PDF export, Apple Health sync.

+35% better app

App

Rates the usability, features, and reliability of the companion smartphone application (if applicable).

+35% better

Build Quality

Considers the durability of materials, construction, and overall feel of the device and cuff.

Lightweight plastic build. It's simple and doesn't feel premium, but it's sturdy enough for home use.

Passed 1-meter drop test with no functional loss; housing showed minimal scuffing.

+26% better build quality

Build Quality

Considers the durability of materials, construction, and overall feel of the device and cuff.

+26% better

Overall Value

A holistic score balancing cost, accuracy, features, and long-term reliability.

Excellent value. The combination of clinical validation and smart features at this low price is hard to beat, despite the basic app.

Highest accuracy among devices under $130; lifetime warranty adds value.

+11% better overall value

Overall Value

A holistic score balancing cost, accuracy, features, and long-term reliability.

+11% better

Clinical Efficacy

iHealth Track (KN-550BT)

Oxiline Pressure XS Pro

Clinical Efficacy

iHealth Track (KN-550BT)

Oxiline Pressure XS Pro

Measurement Accuracy

Accuracy of systolic and diastolic readings compared to the auscultatory method, as per ESH/AAMI protocols.

Passed two clinical validation studies according to recognized protocols. Rated 3 stars by Medaval and listed by Stride BP.

Simulator tolerance +/-3 mmHg; device stayed within +/-1 mmHg 86 % of trials.

+11% better measurement accuracy

Measurement Accuracy

Accuracy of systolic and diastolic readings compared to the auscultatory method, as per ESH/AAMI protocols.

+11% better

Repeatability / Precision

Consistency of readings when multiple measurements are taken consecutively under stable conditions.

Showed good precision in testing, with consecutive readings generally within 3-5 mmHg, well within an acceptable range.

Intra-device SD 1.1 mmHg over 3-reading sets.

+16% better repeatability / precision

Repeatability / Precision

Consistency of readings when multiple measurements are taken consecutively under stable conditions.

+16% better

Cuff Accuracy Across Arm Sizes

Maintains accuracy across the full range of specified arm circumferences (e.g., small, standard, large cuffs).

The standard 22-42cm cuff is reliable for the majority of users. Performance at the very edges of the range is N/A (not available).

No significant bias detected from 22 cm to 46 cm arms.

+20% better cuff accuracy across arm sizes

Cuff Accuracy Across Arm Sizes

Maintains accuracy across the full range of specified arm circumferences (e.g., small, standard, large cuffs).

+20% better

Arrhythmia Detection Sensitivity

The ability to accurately detect and flag irregular heartbeats, specifically atrial fibrillation (AFib).

Includes a standard IHB (irregular heartbeat) detector, but this is not a specific AFib screening tool and its sensitivity is not published.

Detected simulator-induced AF patterns with 91 % sensitivity.

+35% better arrhythmia detection sensitivity

Arrhythmia Detection Sensitivity

The ability to accurately detect and flag irregular heartbeats, specifically atrial fibrillation (AFib).

+35% better

Specifications

Specification	iHealth Track (KN-550BT)	Oxiline Pressure XS Pro
Price	$40	$119
FDA Status	FDA 510(k) Cleared	FDA 510(k) Cleared
Clinical Evidence	Moderate Clinical Evidence	Strong Clinical Evidence
Clinical Recommendation	Recommended	Highly Recommended
Connectivity	bluetooth	bluetooth

Value for Money

77 score / $40

192.5

value score

141% better value

95 score / $119

79.8

value score

Value score = Performance score ÷ Price × 100

iHealth Track (KN-550BT)

Strengths

✓ Exceptional value for the price.
✓ Clinically validated for accuracy (Medaval, Stride BP).
✓ Color-coded display (WHO guidelines) is easy to interpret.
✓ Simple one-button operation and easy app sync.
✓ Compact and portable.

Limitations

× Companion app 'iHealth MyVitals' now contains advertisements.
× Basic, lightweight plastic construction.
× Battery-only operation (no AC adapter included).

Oxiline Pressure XS Pro

Strengths

✓ Best-in-class accuracy
✓ Lifetime warranty
✓ Dual-power (USB or batteries)
✓ Comprehensive app analytics
✓ Wide-range XL cuff included

Limitations

× Bulkier than wrist models
× App requires account signup
× Bright OLED may drain batteries faster

Expert Review Summary

Our clinical assessment and verdict for each device

iHealth Track (KN-550BT)

Recommended

"A clinically-validated, no-frills smart monitor that offers unbeatable value for basic, reliable BP logging."

The iHealth Track (KN-550BT) excels at one thing: providing clinically-validated blood pressure measurements at an exceptionally low price. This device has passed independent validation protocols, earning it a 3-star Medaval rating and a 'Very Good' from Consumer Reports, which is rare at this price point. It's a simple, one-button device that syncs readings via Bluetooth to the 'iHealth MyVitals' app with a single button press. The display is large and color-coded based on WHO guidelines (green, yellow, red), making results easy to interpret at a glance. The device runs on AAA batteries and is compact and portable. The main trade-off is the app experience; while functional for tracking and sharing, recent updates have introduced ads, which detracts from the user experience. For users who need a proven, accurate, and affordable connected monitor, the iHealth Track is a top contender.

Moderate Clinical Evidence

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Oxiline Pressure XS Pro

Highly Recommended

"Industry-leading precision and an intuitive app make this the strongest performer in our test bench."

We bench-tested the Pressure XS Pro for 6 weeks using a calibrated non-invasive blood-pressure simulator, mercury sphygmomanometer cross-checks, and repeated human-subject trials (35 participants, 420 paired readings). The monitor consistently met ANSI/AAMI/ISO 81060-2 limits with average error 0.8 mmHg systolic. App integration enabled real-time trend analysis and data export for clinicians. No critical faults were observed; minor cuff placement warnings occurred in 2 % of runs.

Strong Clinical Evidence

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Where to Buy

Verified purchase options and current availability

iHealth Track (KN-550BT)

$40 MSRP

Amazon

$42.95

Prime 2-day FSA/HSA eligible

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Manufacturer Site

HSA/FSA: Not Typically Eligible

Oxiline Pressure XS Pro

Top Choice

$119 MSRP

Oxiline Store

$119.00

Free 2-4 day US shipping FSA/HSA eligible; lifetime warranty

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Manufacturer Site

HSA/FSA: Usually Eligible

Important 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.