qXR-CTR vs KardiaAI

Similar category, different focus. These tools serve overlapping but distinct needs. Comparability 60/100 Comparability is an AI-graded 0–100 score of how directly these two tools compete — higher means a more apples-to-apples comparison.
by Qure.ai
VS
by AliveCor

AI Verdict

These tools are adjacent in the cardiology AI space, both aiming to aid in cardiac assessment. qXR-CTR focuses on analyzing chest X-ray images to measure cardiothoracic ratio for heart size assessment, while KardiaAI specializes in analyzing ambulatory ECG rhythms to detect various cardiac arrhythmias and conditions. Therefore, the choice between them depends on whether structural heart assessment via imaging or electrical activity analysis via ECG is required.

Choose qXR-CTR if…

Choose qXR-CTR if your radiology department or cardiology practice frequently utilizes chest X-rays for initial cardiac assessments. This tool is ideal for automating the measurement of the cardiothoracic ratio, providing a consistent and efficient way to screen for enlarged hearts and potential heart failure risk directly from imaging data.

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Choose KardiaAI if…

Choose KardiaAI if you require an FDA-cleared AI solution for analyzing ambulatory ECG rhythms to detect a wide range of cardiac conditions. This is best suited for integrating into mobile health applications or existing ECG devices, offering real-time, medical-grade detection of arrhythmias like AFib, bradycardia, and tachycardia for continuous patient monitoring.

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Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature qXR-CTR KardiaAI
Pricing Unknown Subscription-based for advanced features and services.
Deployment Can be deployed on cloud or on-premise. The Qure.ai app receives DICOM studies via DICOM network protocol from medical systems (PACS/Modality) or can import DICOM from the local system. The received DICOM study is processed in Qure's cloud server, and AI-processed reports are displayed on the app. Mobile app, cloud-based.
BAA Available Unknown Yes AI-estimated
FDA Status Cleared AI-estimated Cleared AI-estimated
HIPAA Yes AI-estimated Yes AI-estimated

Head-to-Head

AI-generated assessment across six dimensions based on each tool's documented features and compliance posture. Grounded in public data — not a substitute for hands-on evaluation.

Usability

KardiaAI

KardiaAI (Tool B) offers a more direct and accessible user experience through its integration into mobile apps and web platforms, making it suitable for both patients and healthcare professionals for on-demand ECG analysis. qXR-CTR (Tool A) is primarily an automation tool integrated into existing radiology workflows, which, while efficient for radiologists, has less direct user interaction.

Clinical Value

KardiaAI

KardiaAI (Tool B) provides a broader range of diagnostic capabilities by detecting multiple cardiac conditions from ambulatory ECG rhythms, including AFib, bradycardia, and tachycardia. qXR-CTR (Tool A) focuses on a single, albeit important, metric (cardiothoracic ratio) from chest X-rays, primarily aiding in heart size assessment and heart failure risk.

Pricing & Value

KardiaAI

KardiaAI (Tool B) offers transparent, publicly disclosed subscription-based pricing with clear tiers, allowing users to easily understand the cost and value proposition. qXR-CTR (Tool A) requires direct contact for pricing, which makes it less transparent and more challenging for potential customers to assess its value without engaging in a sales process.

Enterprise Readiness

qXR-CTR

Both tools are FDA-cleared, HIPAA compliant, and have BAAs, indicating strong regulatory readiness. However, qXR-CTR (Tool A) explicitly offers cloud, on-premise, and hybrid deployment options, providing greater flexibility for large enterprise healthcare systems with diverse infrastructure and data governance requirements. KardiaAI (Tool B) primarily functions as an SaMD and API library, which is also enterprise-ready but with a different deployment focus.

Innovation

KardiaAI

KardiaAI (Tool B) demonstrates greater innovation through its deployment as an AI software library and API, enabling seamless integration into various mobile apps and web platforms for broad, accessible ECG analysis. This approach facilitates widespread patient monitoring and remote diagnostics. qXR-CTR (Tool A) automates a specific measurement within traditional imaging workflows, which, while valuable, represents a more incremental innovation.

Support & Docs

KardiaAI

KardiaAI (Tool B) provides extensive and publicly accessible support resources, including detailed user manuals in multiple languages, FAQs, and direct contact information for support. While Qure.ai (Tool A) offers a user manual for its app and implied enterprise support, the breadth and public availability of support documentation appear more comprehensive for KardiaAI.

Feature-by-Feature

Detail beyond the Quick Comparison summary. For pricing, deployment, BAA, FDA, and HIPAA see the Overview tab.

Feature qXR-CTR KardiaAI
Name qXR-CTR KardiaAI
Company Qure.ai Technologies AliveCor
Primary Input / Function Automates measurement of cardiothoracic ratio (CTR) from chest X-ray images. AI software library for analyzing ambulatory ECG rhythms.
Key Analysis / Detections Automated measurement of cardiothoracic ratio (CTR) for assessing heart size and potential heart failure risk. Detection of atrial fibrillation, bradycardia, tachycardia, normal sinus rhythm, Sinus Rhythm with Premature Ventricular Contractions (PVCs), Sinus Rhythm with Wide QRS, Sinus Rhythm with Supraventricular Ectopy (SVE), ECG noise filtering and noisy ECG detection.
Specialties Cardiology, Radiology Cardiology, Emergency Medicine, Internal Medicine
Categories Cardiology AI, Radiology & Imaging AI Cardiology AI

Videos

Demos, reviews, and walkthroughs featuring qXR-CTR and KardiaAI.

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Frequently Asked Questions

qXR-CTR is an AI-powered software that automates the measurement of the cardiothoracic ratio (CTR) from chest X-ray images, aiding in the assessment of heart size and potential heart failure risk. KardiaAI, by AliveCor, is an AI software library for analyzing ambulatory ECG rhythms, detecting various cardiac conditions such as AFib, bradycardia, and tachycardia.
qXR-CTR processes chest X-ray images to perform its analysis of the cardiothoracic ratio. KardiaAI requires ambulatory ECG rhythms for its AI-powered analysis of cardiac conditions and rhythm abnormalities.
qXR-CTR specifically measures the cardiothoracic ratio from chest X-rays to assess heart size and potential heart failure risk. KardiaAI provides detection of atrial fibrillation, bradycardia, tachycardia, normal sinus rhythm, and specific ectopic beats like premature ventricular contractions (PVCs) and supraventricular ectopy (SVE).
qXR-CTR is primarily relevant to Cardiology and Radiology due to its focus on chest X-ray analysis for heart size assessment. KardiaAI is applicable across Cardiology, Emergency Medicine, and Internal Medicine, given its comprehensive ECG rhythm analysis capabilities.

Backers

Who funded each tool's parent company.

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