AliveCor KardiaMobile 6L vs Eko DUO (ECG + Stethoscope) - Clinical Comparison
Compare AliveCor KardiaMobile 6L and Eko DUO (ECG + Stethoscope) side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations
Performance Metrics
Performance Metrics
ECG Accuracy
Measures how closely the device's rhythm recordings match clinical gold-standard ECG machines.
ECG Accuracy
Measures how closely the device's rhythm recordings match clinical gold-standard ECG machines.
Ease of Use
Evaluates the simplicity of the hardware interface and the physical process of taking a reading.
Ease of Use
Evaluates the simplicity of the hardware interface and the physical process of taking a reading.
App & Data Quality
Assesses the software interface, data visualization, and the reliability of automated analysis.
App & Data Quality
Assesses the software interface, data visualization, and the reliability of automated analysis.
Value for Money
Compares the device's features and clinical utility against its market price and subscription costs.
Value for Money
Compares the device's features and clinical utility against its market price and subscription costs.
Clinical Efficacy
Clinical Efficacy
Arrhythmia Detection Accuracy
The ability of the device to correctly identify various heart rhythm abnormalities.
Arrhythmia Detection Accuracy
The ability of the device to correctly identify various heart rhythm abnormalities.
AFib Detection Sensitivity
How reliably the device identifies Atrial Fibrillation when it is present.
AFib Detection Sensitivity
How reliably the device identifies Atrial Fibrillation when it is present.
ECG Signal Quality
The clarity and stability of the ECG trace, minimizing interference and noise.
ECG Signal Quality
The clarity and stability of the ECG trace, minimizing interference and noise.
Clinical-Grade Correlation
The degree to which the device's output correlates with professional hospital equipment.
Clinical-Grade Correlation
The degree to which the device's output correlates with professional hospital equipment.
Specifications
| Specification | AliveCor KardiaMobile 6L | Eko DUO (ECG + Stethoscope) |
|---|---|---|
| Price | $149 | $349 |
| 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
AliveCor KardiaMobile 6L
Strengths
- ✓ Provides six-lead ECG data from only three electrodes
- ✓ Clinically validated equivalence to 12-lead ECG devices
- ✓ FDA cleared for detecting AFib, bradycardia, and tachycardia
- ✓ Easy PDF generation for instant sharing with physicians
- ✓ Small, portable design requires no wires, patches, or gels
Limitations
- × Six-lead recording requires bare skin contact on the left leg
- × Advanced 'Advanced Determinations' require a paid KardiaCare membership
- × Sensitive to muscle noise; requires the user to remain perfectly still
Eko DUO (ECG + Stethoscope)
Strengths
- ✓ Combines a digital stethoscope and 1-lead ECG in one handheld unit
- ✓ 60x sound amplification with active noise cancellation
- ✓ FDA-cleared AI for detecting AFib and heart murmurs
- ✓ Wireless charging and long-lasting rechargeable battery
- ✓ Seamless integration with the Eko App for telehealth and sharing
Limitations
- × Limited to a single-lead (Lead I) ECG view
- × Requires a smartphone or tablet for waveform visualization
- × AI analysis features may require a software subscription
Expert Review Summary
Our clinical assessment and verdict for each device
AliveCor KardiaMobile 6L
"The KardiaMobile 6L is the most versatile and clinically validated portable ECG for patients needing detailed cardiac data without the bulk of traditional equipment."
The KardiaMobile 6L offers a sophisticated bridge between consumer wearables and clinical diagnostic tools. By utilizing three electrodes to derive six leads (I, II, III, aVR, aVL, and aVF), it provides a much more detailed picture of heart health than standard single-lead devices. Clinical validation studies cited in the manual demonstrate that the 6L is qualitatively equivalent to hospital-grade 12-lead ECGs for arrhythmia assessment. The device is compact, wireless, and integrates seamlessly with the Kardia app for instant analysis of AFib, bradycardia, and tachycardia. While it requires a bare-skin connection on the left leg for 6-lead readings and benefits significantly from a KardiaCare subscription, its accuracy and ease of data sharing with clinicians make it a top-tier choice for remote cardiac monitoring.
Eko DUO (ECG + Stethoscope)
"The Eko DUO is an indispensable hybrid device for clinicians and high-risk patients, offering amplified heart sounds and synchronized ECG data in a single, streamlined interface."
The Eko DUO (ECG + Stethoscope) represents a significant advancement in bedside diagnostic technology. It combines a 1-lead ECG with a high-fidelity digital stethoscope, allowing for the simultaneous assessment of electrical and mechanical heart function. The device provides up to 60x sound amplification and features advanced background noise reduction, which is critical for identifying subtle murmurs or gallops in loud clinical environments. The integrated ECG electrodes capture a Lead I rhythm strip that is transmitted via Bluetooth to the Eko App for real-time visualization and analysis. The DUO is specifically designed to work with Eko's FDA-cleared AI algorithms, which can screen for Atrial Fibrillation and heart murmurs with high sensitivity. While it is a single-lead device, the correlation between the acoustic and electrical data provides a depth of insight typically only found in much larger clinical systems. Its wireless charging capability and pocket-sized form factor make it highly practical for daily rounds or home-based monitoring under medical supervision.
Where to Buy
Verified purchase options and current availability
AliveCor KardiaMobile 6L
Top ChoiceAmazon
$149.00Best Buy
$149.99CVS Pharmacy
$149.99Eko DUO (ECG + Stethoscope)
Eko Health
$349.00Redding Medical
$349.00Stethoscope.com
$349.00Important 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.