Microlife Digital Peak Flow Meter (PF-100) vs MIR Smart One - Clinical Comparison

Compare Microlife Digital Peak Flow Meter (PF-100) and MIR Smart One side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations

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Microlife Digital Peak Flow Meter (PF-100)

91 /100

MIR Smart One

92 /100

+1% higher overall score

Microlife Digital Peak Flow Meter (PF-100)

Microlife

Score

Price

$60

Evidence

Strong

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Top Rated

MIR Smart One

MIR

Score

Price

$139

Evidence

Strong

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Performance Metrics

Microlife Digital Peak Flow Meter (PF-100)

MIR Smart One

Performance Metrics

Microlife Digital Peak Flow Meter (PF-100)

MIR Smart One

Measurement Accuracy

Measures the closeness of the device's readings to a known reference standard.

Utilizes a clinical-grade turbine sensor with jeweled bearings that minimizes friction, ensuring high precision that meets or exceeds ATS/ERS recommendations for spirometry.

+2% better measurement accuracy

Features a factory-calibrated turbine sensor that meets rigorous ATS/ERS accuracy standards for the flow and volume ranges it supports.

Measurement Accuracy

Measures the closeness of the device's readings to a known reference standard.

+2% better

Ease of Use

Evaluates how intuitive the device and its interface are for the average user.

The standalone design with a large LCD screen makes it exceptionally easy to use daily without needing a phone; however, the lack of Bluetooth means data syncing requires a physical USB connection.

Extremely straightforward to use; the automated traffic light system provides instant, easy-to-understand feedback on the patient's respiratory status.

+7% better ease of use

Ease of Use

Evaluates how intuitive the device and its interface are for the average user.

+7% better

Build Quality

Assesses the durability, materials, and physical design of the device.

Features a robust microprocessor-based unit and high-quality internal components designed for thousands of uses; the removable mouthpiece is easy to clean and sanitize.

Build Quality

Assesses the durability, materials, and physical design of the device.

Value for Money

Compares the device's features and performance against its retail price.

Priced competitively at approximately $59.99, it offers dual-parameter monitoring and clinical accuracy that rivals more expensive Bluetooth-enabled models.

+3% better value for money

Offers excellent value as an entry-level smart device, especially since the reusable turbine minimizes the need for ongoing disposable supply purchases.

Value for Money

Compares the device's features and performance against its retail price.

+3% better

App Quality

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

The MIR Smart One app is intuitive, allowing users to easily record symptom scores, view trend graphs, and export professional PDF reports to share with clinicians.

+100% better app quality

App Quality

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

+100% better

Clinical Efficacy

Microlife Digital Peak Flow Meter (PF-100)

MIR Smart One

Clinical Efficacy

Microlife Digital Peak Flow Meter (PF-100)

MIR Smart One

Peak Flow Accuracy

Measures the precision of Peak Expiratory Flow rate readings.

Tested against ATS Standard Waveforms with high fidelity, ensuring that PEF readings are reliable for identifying the onset of respiratory exacerbations.

Peak Flow Accuracy

Measures the precision of Peak Expiratory Flow rate readings.

Measurement Repeatability

Assesses the consistency of results across multiple identical maneuvers.

The digital turbine architecture eliminates the spring fatigue issues common in mechanical models, providing stable and repeatable readings over years of use.

Measurement Repeatability

Assesses the consistency of results across multiple identical maneuvers.

Effort-Dependent Sensitivity

Evaluates how effectively the device captures the initial burst of a forced breath.

The low-inertia rotating vane reacts instantly to exhalation force, accurately capturing the true peak of the patient's respiratory effort.

Effort-Dependent Sensitivity

Evaluates how effectively the device captures the initial burst of a forced breath.

Asthma Zone Management

Measures the effectiveness of the device in helping users track their asthma action plan zones.

Includes an on-screen risk indicator that alerts users to potential respiratory incidents based on their current reading relative to their baseline.

Asthma Zone Management

Measures the effectiveness of the device in helping users track their asthma action plan zones.

FEV1 Measurement Accuracy

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

Maintains high linearity and accuracy for FEV1, providing reliable data for tracking airway obstruction.

+100% better fev1 measurement accuracy

FEV1 Measurement Accuracy

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

+100% better

FVC Measurement Accuracy

Measures the precision of Forced Vital Capacity readings.

This specific model does not measure FVC; it is designed exclusively for basic PEF and FEV1 tracking.

FVC Measurement Accuracy

Measures the precision of Forced Vital Capacity readings.

Longitudinal Trend Tracking

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

The integrated app excels at recording historical data and mapping it to personalized GLI predicted sets.

+100% better longitudinal trend tracking

Longitudinal Trend Tracking

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

+100% better

Clinical Spirometry Correlation

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

High correlation for the parameters it tests (PEF/FEV1), but limited in overall diagnostic scope due to the absence of FVC and complex ratios.

+100% better clinical spirometry correlation

Clinical Spirometry Correlation

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

+100% better

Specifications

Specification	Microlife Digital Peak Flow Meter (PF-100)	MIR Smart One
Price	$60	$139
FDA Status	FDA 510(k) Cleared	FDA 510(k) Cleared
Clinical Evidence	Strong Clinical Evidence	Strong Clinical Evidence
Clinical Recommendation	Highly Recommended	Recommended
Connectivity	usb	bluetooth

Value for Money

91 score / $60

151.7

value score

129% better value

92 score / $139

66.2

value score

Value score = Performance score ÷ Price × 100

Microlife Digital Peak Flow Meter (PF-100)

Strengths

✓ Measures both PEF and FEV1 for a more complete picture of lung health.
✓ Large, easy-to-read LCD display allows for standalone use without a smartphone.
✓ Internal memory automatically stores 240 readings with date and time stamps.
✓ Removable and washable turbine sensor ensures hygiene and long-term accuracy.
✓ Meets strict American Thoracic Society (ATS) standards for measurement precision.

Limitations

× No Bluetooth connectivity; data transfer requires a USB cable.
× Tracking software interface is less modern than contemporary smartphone apps.
× Larger physical profile compared to ultra-portable Bluetooth-only monitors.

MIR Smart One

Strengths

✓ Factory-calibrated reusable turbine ensures consistent accuracy.
✓ Seamless Bluetooth pairing with the intuitive MIR Smart One app.
✓ Traffic light health indicator provides immediate, actionable feedback.
✓ Allows for easy sharing of PDF reports with healthcare providers.
✓ Calculates results based on personalized GLI predicted sets.

Limitations

× Does not measure Forced Vital Capacity (FVC) or advanced COPD metrics.
× Relies entirely on a smartphone or tablet; no built-in screen.
× Reusable turbine requires diligent cleaning to maintain hygiene and accuracy.

Expert Review Summary

Our clinical assessment and verdict for each device

Microlife Digital Peak Flow Meter (PF-100)

Highly Recommended

"The Microlife PF-100 is a robust, clinical-grade digital monitor that excels in measurement accuracy and standalone functionality for comprehensive asthma and COPD management."

The Microlife PF-100 / PF-100-1 represents a gold standard in digital peak flow monitoring, bridging the gap between traditional mechanical meters and modern app-based monitors. As an FDA-cleared Class II medical device, it is unique for offering an integrated LCD display that provides immediate readings for both Peak Expiratory Flow (PEF) and Forced Expiratory Volume in one second (FEV1), eliminating the mandatory reliance on a smartphone. The core of the device is a removable digital volume transducer featuring a low-inertia rotating vane supported on jeweled bearings. This turbine-based architecture uses infrared beam interruption to measure rotation speed, providing a highly linear and precise relationship with airflow. Clinical performance evaluation confirms the device meets American Thoracic Society (ATS) standards and has been validated against standard pulmonary waveforms. With a built-in memory for 240 readings and a dedicated risk indicator system, it provides users with immediate clinical context. While it lacks Bluetooth, the included USB tracking software allows for detailed data analysis and report generation, making it a reliable tool for long-term respiratory tracking in both pediatric and adult populations.

Strong Clinical Evidence

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MIR Smart One

Recommended

"An accessible and user-friendly Bluetooth spirometer that excels in tracking basic asthma metrics like PEF and FEV1, though it lacks advanced parameters for complex COPD staging."

The MIR Smart One stands out as a premier over-the-counter (OTC) entry point for decentralized respiratory diagnostics. Our evaluation focused on its ability to provide accurate Peak Expiratory Flow (PEF) and Forced Expiratory Volume in one second (FEV1) measurements in a home environment. Utilizing a reusable, factory-calibrated turbine flowmeter and Bluetooth Low Energy connectivity, the device interfaces seamlessly with the MIR Smart One mobile application. While it does not capture Forced Vital Capacity (FVC) or other complex parameters needed for advanced COPD staging, clinical testing protocols demonstrated high concordance with laboratory spirometry equipment for the parameters it does measure. The inclusion of an automated traffic-light indicator system makes it exceptionally well-suited for patients tracking daily asthma symptoms and identifying early signs of airway narrowing.

Strong Clinical Evidence

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Where to Buy

Verified purchase options and current availability

Microlife Digital Peak Flow Meter (PF-100)

$60 MSRP

Microlife USA

$59.99

3-7 business days Official manufacturer store; 2-year limited warranty included.

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Manufacturer Site

HSA/FSA: Usually Eligible

MIR Smart One

Top Choice

$139 MSRP

CardiacDirect

$139.00

3-5 business days Free shipping; FSA/HSA eligible.

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MFI Medical

$150.00

3-5 business days Free shipping in contiguous US; 30-day free returns.

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MDMaxx

$150.00

3-5 business days Medicare HCPCS code pending (approved as DME item by CMS).

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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.