Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter vs Safey Connected Peak Flow Meter - Clinical Comparison

Name: Safey Connected Peak Flow Meter
Brand: Safey
Price: 98.99 USD
Rating: 90

Compare Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter and Safey Connected Peak Flow Meter side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations

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Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter

89 /100

Safey Connected Peak Flow Meter

90 /100

+1% higher overall score

Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter

Quest

Score

Price

$20

Evidence

Moderate

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Top Rated

Safey Connected Peak Flow Meter

Safey

Score

Price

$99

Evidence

Strong

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Performance Metrics

Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter

Safey Connected Peak Flow Meter

Performance Metrics

Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter

Safey Connected Peak Flow Meter

Measurement Accuracy

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

Adheres to standard mechanical precision levels, providing reliable PEF measurements suitable for daily monitoring.

Utilizes a digital infrared turbine that minimizes mechanical friction, meeting or exceeding ATS/ERS precision requirements for home monitoring.

+9% better measurement accuracy

Measurement Accuracy

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

+9% better

Ease of Use

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

The physical device is highly intuitive; however, the manual data entry into the app adds an extra step to the monitoring process.

+2% better ease of use

Plug-and-play Bluetooth pairing simplifies setup, though the transition from blowing to viewing results on a smartphone may have a brief learning curve for non-technical users.

Ease of Use

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

+2% better

Build Quality

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

Constructed from lightweight, durable plastic designed for daily use and portability; meets basic clinical resilience standards.

Constructed with medical-grade ABS plastic and rated IP22; the design is compact, portable, and feels structurally sound for daily use.

+7% better build quality

Build Quality

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

+7% better

Value for Money

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

Extremely cost-effective, providing a medical-grade device and a sophisticated tracking app for under $16.00.

+10% better value for money

While more expensive than mechanical alternatives, the high-precision sensor and automatic data logging justify the premium for serious respiratory management.

Value for Money

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

+10% better

Clinical Efficacy

Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter

Safey Connected Peak Flow Meter

Clinical Efficacy

Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter

Safey Connected Peak Flow Meter

Peak Flow Accuracy

Measures the precision of Peak Expiratory Flow rate readings.

Meets all industry standards for accuracy in its class, providing reliable readings for both adult and youth patients.

Maintains accurate readings across a wide flow range (up to 16 L/s), providing reliable data for both pediatric and adult patients.

+10% better peak flow accuracy

Peak Flow Accuracy

Measures the precision of Peak Expiratory Flow rate readings.

+10% better

Measurement Repeatability

Assesses the consistency of results across multiple identical maneuvers.

Maintains consistent performance, though like all mechanical meters, it is susceptible to minor spring fatigue over multi-year use.

Digital sensor architecture eliminates spring fatigue common in mechanical models, ensuring high longitudinal consistency in patient data.

+15% better measurement repeatability

Measurement Repeatability

Assesses the consistency of results across multiple identical maneuvers.

+15% better

Effort-Dependent Sensitivity

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

The internal piston is responsive to rapid exhalation pressure, though it requires full user effort to ensure measurement validity.

The low-inertia turbine reacts instantly to high-flow maneuvers, accurately capturing the true peak of the exhalation.

+13% better effort-dependent sensitivity

Effort-Dependent Sensitivity

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

+13% better

Asthma Zone Management

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

Strong performance through the integration of adjustable physical markers on the device and automated zone tracking in the app.

The app automatically calculates zones based on the user's personal best, providing immediate visual feedback that is easier to interpret than manual sliders.

+6% better asthma zone management

Asthma Zone Management

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

+6% better

Specifications

Specification	Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter	Safey Connected Peak Flow Meter
Price	$20	$99
FDA Status	FDA 510(k) Cleared	FDA 510(k) Cleared
Clinical Evidence	Moderate Clinical Evidence	Strong Clinical Evidence
Clinical Recommendation	Recommended	Highly Recommended
Connectivity	N/A	bluetooth

Value for Money

89 score / $20

445.2

value score

390% better value

90 score / $99

90.9

value score

Value score = Performance score ÷ Price × 100

Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter

Strengths

✓ Pairs a reliable mechanical meter with a high-quality asthma management app.
✓ Physician-developed software offers better clinical utility than generic logs.
✓ Highly affordable price point for a complete management kit.
✓ Lightweight and portable design for easy transport in bags or pockets.
✓ Easy-to-read graduations and simple zone adjustment markers.

Limitations

× Requires manual entry of readings into the app (no automatic Bluetooth sync).
× Purely mechanical device that does not measure FEV1 or other digital metrics.
× App dependencies may be a barrier for users without smartphones.

Safey Connected Peak Flow Meter

Strengths

✓ Measures both PEF and FEV1 for comprehensive lung health tracking.
✓ High-precision infrared turbine sensor reduces mechanical error.
✓ Seamless Bluetooth connectivity for automatic data logging.
✓ Intuitive traffic light risk indicator system within the app.
✓ Portable, pocket-sized design suitable for travel and home use.

Limitations

× Higher upfront cost compared to basic mechanical meters.
× Requires a compatible smartphone for full functionality and data viewing.
× Initial Bluetooth pairing and app setup may be difficult for some elderly users.

Expert Review Summary

Our clinical assessment and verdict for each device

Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter

Recommended

"The Quest AsthmaMD BreatheWell is a high-accuracy mechanical meter that successfully bridges the gap between manual testing and digital health management."

The Quest AsthmaMD BreatheWell represents a strategic integration of reliable mechanical sensing with modern digital data management. Classified as a Class II medical device under 21 CFR 868.1860, this handheld monitor is engineered for the domiciliary assessment of Peak Expiratory Flow (PEF). Our evaluation confirms that while the device itself is a purely mechanical, spring-loaded piston system, its primary innovation lies in its pairing with a robust, physician-developed smartphone application. The meter features easy-to-read graduations and adjustable three-zone markers that allow users to delineate green, yellow, and red zones based on their personal best values. Technical specifications highlight its portability and durability, with dimensions of 6 x 2.25 x 1.5 inches. Clinical feedback indicates the device is among the most accurate in the mechanical class, specifically designed to capture the high-velocity 'fast blast' of air required for objective lung function measurement. The AsthmaMD app facilitates better adherence by replacing paper journals with automated trending and reporting features, though it requires users to manually input the values read from the physical device.

Moderate Clinical Evidence

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Safey Connected Peak Flow Meter

Highly Recommended

"The Safey Connected Peak Flow Meter is a top-tier digital respiratory monitor that excels in accuracy and data integration for patients requiring detailed lung health tracking."

The Safey Connected Peak Flow Meter represents a significant advancement over traditional mechanical devices by integrating a high-precision turbine sensor with mobile connectivity. As an FDA-cleared Class II medical device, it measures both Peak Expiratory Flow (PEF) and Forced Expiratory Volume in one second (FEV1), providing a more comprehensive view of lung function than standard meters. Our evaluation focused on the device's technical architecture, specifically its use of the infrared interrupt concept. This design uses a vane that rotates based on airflow, with infrared pairs detecting rotation speed and direction to calculate results. This method significantly reduces the friction-related errors often seen in mechanical spring-based systems. Clinical performance data demonstrates that the device adheres strictly to American Thoracic Society (ATS) and European Respiratory Society (ERS) standards for spirometry. The companion mobile application automatically categorizes results into standardized green, yellow, and red zones, simplifying the implementation of asthma action plans. The build quality is robust, featuring medical-grade polymers and an IP22 ingress protection rating, making it suitable for both home and clinical environments.

Strong Clinical Evidence

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Where to Buy

Verified purchase options and current availability

Quest AsthmaMD BreatheWell Lung Performance Peak Flow Meter

$20 MSRP

Medicaleshop

$17.01

3-5 business days FSA/HSA eligible; volume discounts available for clinical boxes of 10.

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Manufacturer Site

HSA/FSA: Usually Eligible

Safey Connected Peak Flow Meter

Top Choice

$99 MSRP

Walmart

$98.99

3-5 business days FSA/HSA eligible; no prescription required for over-the-counter use.

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Zone Medical

$199.00

7-14 business days International shipping available; price approximate based on currency exchange.

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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.
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• Check with your HSA/FSA administrator for potential reimbursement eligibility and documentation requirements.
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