CMI Health SpiroLink Smart Spirometer vs MIR Spirobank Oxi - Clinical Comparison

Compare CMI Health SpiroLink Smart Spirometer and MIR Spirobank Oxi side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations

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CMI Health SpiroLink Smart Spirometer

87 /100

MIR Spirobank Oxi

93 /100

+7% higher overall score

CMI Health SpiroLink Smart Spirometer

CMI Health

Score

Price

$88

Evidence

Moderate

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Top Rated

MIR Spirobank Oxi

MIR

Score

Price

$249

Evidence

Strong

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Performance Metrics

CMI Health SpiroLink Smart Spirometer

MIR Spirobank Oxi

Performance Metrics

CMI Health SpiroLink Smart Spirometer

MIR Spirobank Oxi

Measurement Accuracy

Evaluates the precision and reliability of the spirometer's readings compared to clinical-grade laboratory equipment.

The pressure sensor provides highly reliable PEF, FEV1, and FVC metrics that are robust against interference from debris or moisture during exhalation.

Meets strict ATS/ERS 2019 spirometry standards and ISO standards for oximetry, delivering highly reliable clinical-grade data for both volume/flow and SpO2.

+7% better measurement accuracy

Measurement Accuracy

Evaluates the precision and reliability of the spirometer's readings compared to clinical-grade laboratory equipment.

+7% better

Ease of Use

Assesses the simplicity of device operation, setup, and maintenance for the average home user.

The device itself is lightweight and simple to use with a built-in rechargeable battery, though some users report a slight learning curve when initially pairing the Bluetooth.

Consolidating two tests is highly convenient, though mastering the full FVC breathing maneuver and getting a fast read from the touch oximeter requires a brief learning period.

+4% better ease of use

Ease of Use

Assesses the simplicity of device operation, setup, and maintenance for the average home user.

+4% better

App Quality

Measures the functionality, stability, and user interface of the companion digital application.

The companion apps offer solid data visualization, cloud sharing, and access to the Asthma Control Test, but feature a more standard interface compared to heavily gamified options.

The MIR Spirobank app brilliantly displays real-time animations, plethysmographic curves, and handles symptom e-diaries effortlessly.

+10% better app quality

App Quality

Measures the functionality, stability, and user interface of the companion digital application.

+10% better

Value for Money

Weighs the device's feature set, clinical accuracy, and durability against its retail price and ongoing costs.

As a sub-$150 device that measures full FVC and utilizes advanced pressure sensors, it represents one of the most cost-effective options in the smart spirometer category.

Provides exceptional value by eliminating the need to purchase and manage a separate, high-quality pulse oximeter, packaging both into one robust clinical ecosystem.

+1% better value for money

Value for Money

Weighs the device's feature set, clinical accuracy, and durability against its retail price and ongoing costs.

+1% better

Clinical Efficacy

CMI Health SpiroLink Smart Spirometer

MIR Spirobank Oxi

Clinical Efficacy

CMI Health SpiroLink Smart Spirometer

MIR Spirobank Oxi

FEV1 Measurement Accuracy

Measures the precision of Forced Expiratory Volume in the first second.

Accurately captures FEV1 with 0.01 L interval precision, providing reliable data for tracking airway obstruction.

Maintains excellent precision for FEV1 using the factory-calibrated turbine, accurately capturing essential obstruction data.

+6% better fev1 measurement accuracy

FEV1 Measurement Accuracy

Measures the precision of Forced Expiratory Volume in the first second.

+6% better

FVC Measurement Accuracy

Measures the precision of Forced Vital Capacity readings.

Measures FVC using pressure differentials rather than mechanical flow, showing strong correlation with established clinical standards.

Captures total exhaled volume accurately, allowing for calculation of the FEV1/FVC ratio.

+7% better fvc measurement accuracy

FVC Measurement Accuracy

Measures the precision of Forced Vital Capacity readings.

+7% better

Longitudinal Trend Tracking

Evaluates the device's ability to consistently track respiratory changes over time.

The mobile app securely logs historical data to the cloud, allowing patients to monitor responses to medication and therapy over time.

The app stores both spirometry and oximetry data alongside symptom logs, creating a highly detailed, chronological health diary.

+7% better longitudinal trend tracking

Longitudinal Trend Tracking

Evaluates the device's ability to consistently track respiratory changes over time.

+7% better

Clinical Spirometry Correlation

Assesses how closely the home measurements align with formal clinical pulmonary function tests.

FDA-cleared measurements correlate well with in-clinic testing, making the generated reports highly useful for remote patient monitoring.

Dual tracking of oxygen saturation and full-loop spirometry heavily aligns with the protocols used in formal pulmonary function labs.

+9% better clinical spirometry correlation

Clinical Spirometry Correlation

Assesses how closely the home measurements align with formal clinical pulmonary function tests.

+9% better

Specifications

Specification	CMI Health SpiroLink Smart Spirometer	MIR Spirobank Oxi
Price	$88	$249
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 usb	bluetooth

Value for Money

87 score / $88

98.9

value score

165% better value

93 score / $249

37.3

value score

Value score = Performance score ÷ Price × 100

CMI Health SpiroLink Smart Spirometer

Strengths

✓ Innovative pressure sensor is less susceptible to moisture and mucus damage.
✓ Measures FVC, FEV1, and PEF accurately.
✓ Built-in rechargeable battery eliminates the need for disposable batteries.
✓ Highly cost-effective price point compared to other smart spirometers.
✓ Compatible with AsthmaGo and SpiroLink mobile apps for secure cloud sharing.

Limitations

× Some users report occasional Bluetooth connectivity and pairing issues.
× Requires a smartphone or tablet to view comprehensive data and trends.
× Optional filter mouthpieces add a recurring maintenance cost.

MIR Spirobank Oxi

Strengths

✓ Combines full-loop spirometry and pulse oximetry in a single device.
✓ Displays a real-time plethysmographic curve on the smartphone app.
✓ FDA-cleared and fully compliant with ATS/ERS 2019 standards.
✓ Generates unified PDF reports covering all respiratory metrics.
✓ Bluetooth 5.0 ensures fast, stable connectivity.

Limitations

× Lacks a built-in screen; entirely dependent on a smartphone or tablet.
× The touch reflectance oximeter requires warm fingers and a steady hand for the best reading.
× Reusable turbine must be cleaned meticulously to maintain accuracy.

Expert Review Summary

Our clinical assessment and verdict for each device

CMI Health SpiroLink Smart Spirometer

Recommended

"A durable and cost-effective smart spirometer that sets itself apart with a robust pressure sensor design, reducing susceptibility to damage from moisture and mucus."

The CMI Health SpiroLink B1 differentiates itself in the crowded smart spirometer market by utilizing an innovative pressure sensor rather than a traditional mechanical turbine. This design makes the device notably less susceptible to damage from saliva, dust, or mucus, extending its lifespan and maintaining accuracy over time. It measures key pulmonary metrics including Forced Vital Capacity (FVC), Forced Expiratory Volume in one second (FEV1), and Peak Expiratory Flow (PEF). The FDA-cleared, rechargeable device connects via Bluetooth to a companion mobile application (SpiroLink or AsthmaGo) for real-time visualization, historical tracking, and cloud-based data sharing. While some users report minor initial connectivity hurdles, its clinical-grade pressure sensor and sub-$150 price point make it one of the most cost-effective, full-featured smart options available for home respiratory management.

Moderate Clinical Evidence

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MIR Spirobank Oxi

Highly Recommended

"A highly versatile, 2-in-1 smart device that seamlessly merges comprehensive clinical spirometry with reflectance pulse oximetry for complete home respiratory management."

The MIR Spirobank Oxi elevates remote patient monitoring by integrating two vital diagnostic tools into a single, highly portable device. Not only does it deliver full Flow/Volume loop spirometry (measuring FVC, FEV1, PEF, FEF2575, and more) using MIR's proven turbine technology, but it also features an innovative touch reflectance pulse oximeter to measure SpO2 and heart rate. FDA-cleared and compliant with ATS/ERS 2019 standards, the device connects via Bluetooth 5.0 to the MIR Spirobank mobile app. This allows users to view real-time plethysmographic curves, track longitudinal trends, log symptoms, and generate comprehensive PDF reports for their healthcare providers. It is an exceptionally powerful tool for managing complex respiratory conditions where both airway obstruction and oxygen saturation are critical metrics.

Strong Clinical Evidence

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Where to Buy

Verified purchase options and current availability

CMI Health SpiroLink Smart Spirometer

$88 MSRP

CMI Health Official Store

$87.99

3-5 business days FSA/HSA eligible; currently on sale from $149.99.

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The Digital Health Store

$152.60

Backordered - ships when in stock FSA/HSA eligible; includes USB cable and 2 mouthpieces.

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Manufacturer Site

HSA/FSA: Usually Eligible

MIR Spirobank Oxi

Top Choice

$249 MSRP

MFI Medical

$225.00

3-5 business days FSA/HSA eligible; includes trial disposable turbines.

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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.