Nascool Peak Flow Meter with Bluetooth APP Spirometer vs Safey Connected Peak Flow Meter - Clinical Comparison

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

Compare Nascool Peak Flow Meter with Bluetooth APP Spirometer and Safey Connected Peak Flow Meter side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations

Select First Device

Select Second Device

Nascool Peak Flow Meter with Bluetooth APP Spirometer

89 /100

Safey Connected Peak Flow Meter

90 /100

+1% higher overall score

Nascool Peak Flow Meter with Bluetooth APP Spirometer

Nascool

Score

Price

$56

Evidence

Strong

Buy Now Full Review

Top Rated

Safey Connected Peak Flow Meter

Safey

Score

Price

$99

Evidence

Strong

Buy Now Full Review

Performance Metrics

Nascool Peak Flow Meter with Bluetooth APP Spirometer

Safey Connected Peak Flow Meter

Performance Metrics

Nascool Peak Flow Meter with Bluetooth APP Spirometer

Safey Connected Peak Flow Meter

Measurement Accuracy

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

Employs an advanced pressure sensor that achieves accuracy within ±10% for PEF and ±3% for FEV1, complying with ATS/ERS 2005 guidelines for spirometric precision.

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

+7% better measurement accuracy

Measurement Accuracy

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

+7% better

Ease of Use

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

Features a plug-and-play Bluetooth connection and an easy-to-read backlit display; the app automatically manages data logging, removing the burden of manual charting.

+7% 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.

+7% better

Build Quality

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

Constructed from high-impact, medical-grade ABS plastic; while compact and lightweight (52g), the device is durable enough for daily transport in its included travel case.

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

+9% better build quality

Build Quality

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

+9% better

Value for Money

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

Offers a comprehensive digital monitoring suite including FEV1 tracking and automatic app syncing for a price significantly lower than professional diagnostic spirometers.

+5% 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.

+5% better

Clinical Efficacy

Nascool Peak Flow Meter with Bluetooth APP Spirometer

Safey Connected Peak Flow Meter

Clinical Efficacy

Nascool Peak Flow Meter with Bluetooth APP Spirometer

Safey Connected Peak Flow Meter

Peak Flow Accuracy

Measures the precision of Peak Expiratory Flow rate readings.

Reliably captures measurements within a broad 60L/min to 840L/min range, providing sufficient headroom for high-flow adult users and athletes.

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

+9% better peak flow accuracy

Peak Flow Accuracy

Measures the precision of Peak Expiratory Flow rate readings.

+9% better

Measurement Repeatability

Assesses the consistency of results across multiple identical maneuvers.

Electronic sensing eliminates the friction-related drift seen in mechanical meters, maintaining high consistency over hundreds of measurement cycles.

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

+11% better measurement repeatability

Measurement Repeatability

Assesses the consistency of results across multiple identical maneuvers.

+11% better

Effort-Dependent Sensitivity

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

The pressure sensor reacts instantly to the internal pressure spike of a 'fast blast' exhalation, accurately logging the true physiological peak.

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.

The app automatically categorizes every blow into green, yellow, or red zones based on user baselines, providing immediate clinical context.

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

+2% better asthma zone management

Asthma Zone Management

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

+2% better

Specifications

Specification	Nascool Peak Flow Meter with Bluetooth APP Spirometer	Safey Connected Peak Flow Meter
Price	$56	$99
FDA Status	FDA 510(k) Cleared	FDA 510(k) Cleared
Clinical Evidence	Strong Clinical Evidence	Strong Clinical Evidence
Clinical Recommendation	Highly Recommended	Highly Recommended
Connectivity	bluetooth	bluetooth

Value for Money

89 score / $56

159.0

value score

75% better value

90 score / $99

90.9

value score

Value score = Performance score ÷ Price × 100

Nascool Peak Flow Meter with Bluetooth APP Spirometer

Strengths

✓ Measures PEF and FEV1 for comprehensive lung function tracking.
✓ Bluetooth connectivity enables automatic data logging and diary generation.
✓ Backlit screen shows results immediately even without the app.
✓ Traffic light risk indicators simplify asthma action plan adherence.
✓ Internal memory stores 300 records for review and syncing.

Limitations

× App setup and initial pairing may require a short learning curve.
× Unremovable mouthpiece requires diligent technical cleaning.
× Measurement range starts at 60L/min, which may be high for very young children.

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

Nascool Peak Flow Meter with Bluetooth APP Spirometer

Highly Recommended

"The Nascool Bluetooth Peak Flow Meter is a top-tier respiratory monitor that offers clinical-grade precision and effortless digital data logging for proactive lung health management."

The Nascool Peak Flow Meter with Bluetooth (Model SMPF-2S iteration) is an FDA-cleared Class II medical device designed to provide laboratory-level accuracy in a handheld home-use format. It serves as a comprehensive diagnostic aid by measuring both Peak Expiratory Flow (PEF) and Forced Expiratory Volume in one second (FEV1), which are essential for identifying early-stage airway narrowing and managing obstructive conditions like asthma and COPD. The device utilizes a high-sensitivity pressure sensor sensing modality, which has been validated to meet American Thoracic Society (ATS) and European Respiratory Society (ERS) performance standards. Its primary innovation is the integration of Bluetooth Low Energy (BLE) technology, which allows the meter to sync with the 'Sonmol PEF' or 'ePEF' mobile applications. This ecosystem provides a 300-record internal memory and an automated asthma diary, effectively replacing manual paper tracking. The hardware features a green backlit LCD for immediate visibility and a traffic-light risk indicator that provides instant visual feedback on the user's lung status relative to their personal best baseline.

Strong Clinical Evidence

Read Full Review

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

Read Full Review

Where to Buy

Verified purchase options and current availability

Nascool Peak Flow Meter with Bluetooth APP Spirometer

$56 MSRP

Nascool Official Store

$55.99

5-7 business days FSA/HSA eligible; includes protective carry case and 2 mouthpieces.

Shop

Amazon

$60.99

2-3 business days

Shop

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.

Shop

Zone Medical

$199.00

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

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.