Withings BeamO vs AliveCor KardiaMobile Card - Clinical Comparison

Name: AliveCor KardiaMobile Card
Brand: AliveCor
Price: 109 USD
Rating: 94

Compare Withings BeamO and AliveCor KardiaMobile Card side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations

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Withings BeamO

91 /100

AliveCor KardiaMobile Card

94 /100

+3% higher overall score

Withings BeamO

Withings

Score

Price

$250

Evidence

Moderate

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Top Rated

AliveCor KardiaMobile Card

AliveCor

Score

Price

$109

Evidence

Strong

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Performance Metrics

Withings BeamO

AliveCor KardiaMobile Card

Performance Metrics

Withings BeamO

AliveCor KardiaMobile Card

ECG Accuracy

Measures the precision of the ECG trace and heart rate calculations compared to clinical standards[cite: 70, 213].

Provides a clear 1-lead ECG (Lead I) and calculates heart rate with high correlation to clinical monitors, though it is intended for informational rather than definitive diagnostic use[cite: 23, 27, 213, 808].

Leverages AliveCor's FDA-cleared KAl platform, delivering high-fidelity waveforms that correlate closely with standard diagnostic Lead I EKG recordings.

+7% better ecg accuracy

ECG Accuracy

Measures the precision of the ECG trace and heart rate calculations compared to clinical standards[cite: 70, 213].

+7% better

Ease of Use

Evaluates the simplicity of the hardware interface and measurement process[cite: 40, 100].

The handheld, wire-free design and contactless temperature feature make it exceptionally easy for lay users to perform complex vitals checks[cite: 13, 20, 392, 604].

Operation is exceptionally simple: tap the power button and place fingers on the two top-surface electrodes for 30 seconds.

+4% better ease of use

Ease of Use

Evaluates the simplicity of the hardware interface and measurement process[cite: 40, 100].

+4% better

App & Data Quality

Assesses the software interface, data visualization, and sharing capabilities[cite: 39, 459].

The Withings app offers sophisticated HealthLink sharing (valid for 7 days) and high-resolution PDF generation for heart and lung sounds[cite: 56, 59, 127, 285, 451].

The Kardia app provides high-resolution PDF exports and a clear 'History' section for tracking all previous recordings and analysis results.

+2% better app & data quality

App & Data Quality

Assesses the software interface, data visualization, and sharing capabilities[cite: 39, 459].

+2% better

Value for Money

Compares features and clinical utility against market price[cite: 13].

Consolidates four medical-grade devices into one compact unit, offering significant value for families managing chronic conditions or remote monitoring needs[cite: 13, 68].

+1% better value for money

High value for the portability and clinical clearance, though the non-replaceable battery limits the device's long-term service life to 1-2 years.

Value for Money

Compares features and clinical utility against market price[cite: 13].

+1% better

Clinical Efficacy

Withings BeamO

AliveCor KardiaMobile Card

Clinical Efficacy

Withings BeamO

AliveCor KardiaMobile Card

Arrhythmia Detection Accuracy

Ability to correctly identify heart rhythm abnormalities[cite: 24, 253, 357, 807].

Capable of detecting Atrial Fibrillation (AFib) and Sinus Rhythm on classifiable ECG waveforms[cite: 24, 126, 214, 506].

Validated for the detection of Normal Sinus Rhythm, Atrial Fibrillation, Bradycardia, and Tachycardia.

+7% better arrhythmia detection accuracy

Arrhythmia Detection Accuracy

Ability to correctly identify heart rhythm abnormalities[cite: 24, 253, 357, 807].

+7% better

AFib Detection Sensitivity

Reliability in identifying AFib when present[cite: 24, 253, 807].

Uses 1-lead acquisition to screen for AFib; however, accuracy can be degraded by muscle noise or poor skin contact[cite: 47, 48, 851].

Uses proprietary algorithms to identify potential AFib markers with high sensitivity, though users are cautioned to have all results reviewed by a physician.

+8% better afib detection sensitivity

AFib Detection Sensitivity

Reliability in identifying AFib when present[cite: 24, 253, 807].

+8% better

ECG Signal Quality

Clarity and stability of the ECG trace[cite: 47, 48, 259, 713].

Utilizes stainless steel electrodes for low-noise signals, though quality is dependent on the user following correct positioning instructions[cite: 13, 37, 48].

Provides clear Lead I views; however, signal quality can be degraded by physical activity or nearby electronic equipment.

ECG Signal Quality

Clarity and stability of the ECG trace[cite: 47, 48, 259, 713].

Clinical-Grade Correlation

Correlation with professional hospital equipment[cite: 70, 217].

Validated against reference standards for temperature and oxygen saturation, and classified for clinical monitoring use[cite: 70, 217, 392, 804].

Meets IEC 60601-1-11:2015 standards for medical electrical equipment used in home healthcare environments.

+6% better clinical-grade correlation

Clinical-Grade Correlation

Correlation with professional hospital equipment[cite: 70, 217].

+6% better

Specifications

Specification	Withings BeamO	AliveCor KardiaMobile Card
Price	$250	$109
FDA Status	FDA 510(k) Cleared	FDA 510(k) Cleared
Clinical Evidence	Moderate Clinical Evidence	Strong Clinical Evidence
Clinical Recommendation	Highly Recommended	Highly Recommended
Connectivity	bluetooth wifi	bluetooth

Value for Money

91 score / $250

36.4

value score

94 score / $109

86.2

value score

137% better value

Value score = Performance score ÷ Price × 100

Withings BeamO

Strengths

✓ Integrates ECG, SpO2, thermometer, and stethoscope in one device [cite: 13, 703]
✓ Long battery life of up to 8 months on a single charge [cite: 288]
✓ Advanced connectivity including Wi-Fi, Bluetooth, and LTE [cite: 11, 243, 801]
✓ Secure HealthLink sharing for easy remote clinician access [cite: 58, 221, 642]
✓ Digital stethoscope records heart and lung sounds for televisits [cite: 21, 42, 110, 391]

Limitations

× ECG and SpO2 measurements are not indicated for children [cite: 31, 216, 255]
× Stethoscope requires a quiet room for optimal recording quality [cite: 46, 47]
× Cannot be used for measurements while charging via USB-C [cite: 64, 289, 720, 905]

AliveCor KardiaMobile Card

Strengths

✓ Ultra-slim credit card design fits easily in any standard wallet
✓ IPX8 waterproof rating allows immersion up to 2 meters for 1 hour
✓ Instant analysis for AFib, Bradycardia, Tachycardia, and Sinus Rhythm
✓ Bluetooth connectivity ensures wireless data transfer to mobile devices
✓ Easy PDF sharing of historical EKG reports with healthcare providers

Limitations

× Non-replaceable internal battery limits overall device lifespan
× Single-lead only; lacks the multi-lead depth of clinical machines
× Requires a compatible smartphone or tablet to view or analyze data

Expert Review Summary

Our clinical assessment and verdict for each device

Withings BeamO

Highly Recommended

"A revolutionary handheld health station that bridges the gap between basic vital tracking and professional clinical assessment at home[cite: 13, 69]."

The Withings BeamO, referred to as a 'multiscope,' is a multifunctional medical device designed for comprehensive at-home health checkups[cite: 1, 13]. It integrates four critical clinical tools: a 1-lead ECG, a pulse oximeter (SpO2), a contactless temporal artery thermometer, and a digital stethoscope[cite: 13, 20, 21]. The device is engineered to provide an overview of multiple physiological conditions, facilitating increased awareness of a patient's health status and providing trends over time that can be shared with healthcare professionals[cite: 68, 69]. The BeamO is particularly notable for its connectivity options, supporting Wi-Fi, Bluetooth, and optional LTE (Cat M1) for data synchronization even when a smartphone is not nearby[cite: 11, 208, 347]. Clinical validation has been established for its temperature measurement accuracy through studies conforming to EN ISO 80601-2-56 standards[cite: 70]. While the ECG and SpO2 features are restricted to adult use (18+), the thermometer and stethoscope are indicated for use on individuals of all ages[cite: 14, 15, 31, 216]. The device emphasizes security with features like two-factor authentication and encrypted data sharing through HealthLinks[cite: 78, 81, 105, 534].

Moderate Clinical Evidence

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AliveCor KardiaMobile Card

Highly Recommended

"The most portable clinical-grade EKG monitor available, fitting directly into a wallet for on-demand cardiac checks without the need for wires or gels."

The AliveCor KardiaMobile Card (Model AC-021) is a revolutionary step in personal cardiac monitoring, distilling the technology of a single-lead EKG into a credit-card-sized form factor. The device uses Bluetooth Low Energy to transmit data to the Kardia app, providing users with an 'Instant Analysis' of their heart rhythm. It is specifically designed to detect Atrial Fibrillation, Bradycardia, Tachycardia, and Normal Sinus Rhythm. A standout technical feature is its IPX8 rating, ensuring protection against water immersion for up to an hour. While the device features a non-replaceable battery, its ultra-slim design and clinical validation make it a top-tier choice for those needing reliable rhythm tracking on the go. The system provides professional-grade rhythm strips that can be easily shared with healthcare providers via email or PDF, though a data connection is required for cloud synchronization.

Strong Clinical Evidence

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Where to Buy

Verified purchase options and current availability

Withings BeamO

$250 MSRP

Withings Direct

$249.95

3-5 business days FSA/HSA eligible; includes dedicated telehealth sharing features.

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Best Buy

$249.99

2-3 days Eligible for standard Best Buy return policy and protection plans.

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Manufacturer Site

HSA/FSA: Usually Eligible

AliveCor KardiaMobile Card

Top Choice

$109 MSRP

Kardia.com

$109.00

3-5 business days Official store; HSA/FSA eligible.

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Amazon

$109.00

1-2 days (Prime) Free shipping and returns; frequently includes bundled offers.

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Best Buy

$109.00

Same-day pickup In-store availability varies by location.

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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.