AliveCor KardiaMobile 6L vs AliveCor KardiaMobile Card - Clinical Comparison

Compare AliveCor KardiaMobile 6L and AliveCor KardiaMobile Card side-by-side with clinical performance scores, FDA status, pricing, and expert recommendations

AliveCor KardiaMobile 6L
93 /100
VS
AliveCor KardiaMobile Card
94 /100
+1% higher overall score
AliveCor KardiaMobile 6L

AliveCor KardiaMobile 6L

AliveCor

Score
93
Price
$149
Evidence
Strong
Top Rated
AliveCor KardiaMobile Card

AliveCor KardiaMobile Card

AliveCor

Score
94
Price
$109
Evidence
Strong

Performance Metrics

AliveCor KardiaMobile 6L
AliveCor KardiaMobile Card

ECG Accuracy

Measures how closely the device's rhythm recordings match clinical gold-standard ECG machines.

96
+1% better
95

Ease of Use

Evaluates the simplicity of the hardware interface and the physical process of taking a reading.

92
98
+6% better

App & Data Quality

Assesses the software interface, data visualization, and the reliability of automated analysis.

95
+1% better
94

Value for Money

Compares the device's features and clinical utility against its market price and subscription costs.

90
+1% better
89

Clinical Efficacy

AliveCor KardiaMobile 6L
AliveCor KardiaMobile Card

Arrhythmia Detection Accuracy

The ability of the device to correctly identify various heart rhythm abnormalities.

95
+1% better
94

AFib Detection Sensitivity

How reliably the device identifies Atrial Fibrillation when it is present.

94
+1% better
93

ECG Signal Quality

The clarity and stability of the ECG trace, minimizing interference and noise.

92
+2% better
90

Clinical-Grade Correlation

The degree to which the device's output correlates with professional hospital equipment.

96
+1% better
95

Specifications

Specification AliveCor KardiaMobile 6L AliveCor KardiaMobile Card
Price $149 $109
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

93 score / $149
62.4
value score
94 score / $109
86.2
value score
38% better value
Value score = Performance score ÷ Price × 100

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

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

AliveCor KardiaMobile 6L

Highly Recommended

"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.

Strong Clinical Evidence
Read Full Review

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
Read Full Review

Where to Buy

Verified purchase options and current availability

AliveCor KardiaMobile 6L

Top Choice
$149 MSRP

Amazon

$149.00
1-2 days (Prime) FSA/HSA eligible; frequent discounts available.
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Best Buy

$149.99
3-5 days In-store pickup often available same-day.
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CVS Pharmacy

$149.99
3-7 days Eligible for CVS ExtraCare rewards.
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Manufacturer Site
HSA/FSA: Usually Eligible

AliveCor KardiaMobile Card

$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.
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.