Oklar Upper Arm Blood Pressure Monitor (Model OBP-120) vs Oxiline Pressure XS Pro - Clinical Comparison

Name: Oxiline Pressure XS Pro
Brand: Oxiline
Price: 119 USD
Rating: 95

Compare Oklar Upper Arm Blood Pressure Monitor (Model OBP-120) and Oxiline Pressure XS Pro side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations

Select First Device

Select Second Device

Oklar Upper Arm Blood Pressure Monitor (Model OBP-120)

69 /100

Oxiline Pressure XS Pro

95 /100

+38% higher overall score

Oklar Upper Arm Blood Pressure Monitor (Model OBP-120)

Oklar

Score

Price

$27

Evidence

Limited Studies

Buy Now Full Review

Top Rated

Oxiline Pressure XS Pro

Oxiline

Score

Price

$119

Evidence

Strong

Buy Now Full Review

Performance Metrics

Oklar Upper Arm Blood Pressure Monitor (Model OBP-120)

Oxiline Pressure XS Pro

Performance Metrics

Oklar Upper Arm Blood Pressure Monitor (Model OBP-120)

Oxiline Pressure XS Pro

Measurement Accuracy

How closely the readings align with clinical reference standards.

Mean absolute error 3.8 mmHg systolic; diastolic drift up to 6 mmHg in some users.

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

+32% better measurement accuracy

Measurement Accuracy

How closely the readings align with clinical reference standards.

+32% better

Cuff Fit & Comfort

Assesses ease of positioning and comfort of cuff during inflation.

Soft cuff lining; 10 % reported slight tightness on large arms.

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

+26% better cuff fit & comfort

Cuff Fit & Comfort

Assesses ease of positioning and comfort of cuff during inflation.

+26% better

Ease of Use

Rates simplicity of setup, interface, and operation.

Large LED and voice prompts speeded reading interpretation.

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

+23% better ease of use

Ease of Use

Rates simplicity of setup, interface, and operation.

+23% better

App

Evaluates quality, reliability, and usefulness of the companion mobile app.

No connectivity features included.

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

+100% better app

App

Evaluates quality, reliability, and usefulness of the companion mobile app.

+100% better

Build Quality

Examines durability, material quality, and fit-and-finish.

Minor LCD backlight dimming observed after 3 k cycles.

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

+35% better build quality

Build Quality

Examines durability, material quality, and fit-and-finish.

+35% better

Overall Value

Balances performance, features, and price to indicate value for money.

Sub-$30 pricing with voice and USB-C makes it attractive despite accuracy caveats.

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

+23% better overall value

Overall Value

Balances performance, features, and price to indicate value for money.

+23% better

Clinical Efficacy

Oklar Upper Arm Blood Pressure Monitor (Model OBP-120)

Oxiline Pressure XS Pro

Clinical Efficacy

Oklar Upper Arm Blood Pressure Monitor (Model OBP-120)

Oxiline Pressure XS Pro

Measurement Accuracy

Degree to which device readings match mercury sphygmomanometer reference.

Met ISO mean error limits, missed SD threshold in diastolic.

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

+32% better measurement accuracy

Measurement Accuracy

Degree to which device readings match mercury sphygmomanometer reference.

+32% better

Repeatability / Precision

Consistency of repeated measurements under identical conditions.

Intra-device SD 4.8 mmHg vs 3 mmHg target.

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

+33% better repeatability / precision

Repeatability / Precision

Consistency of repeated measurements under identical conditions.

+33% better

Cuff Accuracy Across Arm Sizes

Accuracy maintained across small, standard, and large arm circumferences.

Accuracy declined in arms >38 cm by 4 mmHg.

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

+26% better cuff accuracy across arm sizes

Cuff Accuracy Across Arm Sizes

Accuracy maintained across small, standard, and large arm circumferences.

+26% better

Arrhythmia Detection Sensitivity

Ability to detect irregular heartbeat events when present.

Arrhythmia flag detected 8 of 15 events.

Detected simulator-induced AF patterns with 91 % sensitivity.

+35% better arrhythmia detection sensitivity

Arrhythmia Detection Sensitivity

Ability to detect irregular heartbeat events when present.

+35% better

Specifications

Specification	Oklar Upper Arm Blood Pressure Monitor (Model OBP-120)	Oxiline Pressure XS Pro
Price	$27	$119
FDA Status	FDA Registered	FDA 510(k) Cleared
Clinical Evidence	Limited Studies	Strong Clinical Evidence
Clinical Recommendation	Worth Considering	Highly Recommended
Connectivity	N/A	bluetooth

Value for Money

69 score / $27

255.7

value score

220% better value

95 score / $119

79.8

value score

Value score = Performance score ÷ Price × 100

Oklar Upper Arm Blood Pressure Monitor (Model OBP-120)

Strengths

✓ LED screen bright and clear
✓ Voice broadcast optional
✓ USB-C power plus AAA batteries
✓ Dual-user 240-reading memory
✓ Low purchase cost

Limitations

× Accuracy lags premium models
× No connectivity or app
× Average build durability

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

Oklar Upper Arm Blood Pressure Monitor (Model OBP-120)

Worth Considering

"Good comfort and accessibility but only average clinical performance."

In a 45-day test with 32 participants, the Oklar OBP-120 met basic ISO tolerances but showed higher variability in diastolic readings (±6 mmHg). Dual-user memory (240 slots) and optional voice readouts were praised, as was USB-C power. Build quality is adequate though less rugged than Omron variants. App support is absent, leaving manual logging for trend analysis.

Limited Studies

Read Full Review

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

Read Full Review

Where to Buy

Verified purchase options and current availability

Oklar Upper Arm Blood Pressure Monitor (Model OBP-120)

$27 MSRP

Amazon

$26.99

Prime 2-day delivery 30-day returns

Shop

Clark Deals Listing

$26.99

Varies (ships via Amazon) Limited-time online deal

Shop

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

Shop

eBay

$125.00

Varies by seller New-in-box listings available

Shop

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.