Bunkerhill MAC vs ZEUS System (Zio Watch)

Similar category, different focus. These tools serve overlapping but distinct needs. Comparability 65/100 Comparability is an AI-graded 0–100 score of how directly these two tools compete — higher means a more apples-to-apples comparison.
by Bunkerhill Health
VS
by iRhythm Technologies

AI Verdict

Bunkerhill MAC is an AI tool focused on identifying cardiovascular risk by detecting and quantifying mitral annular calcification on CT scans, integrating with clinical decision support. In contrast, the ZEUS System (Zio Watch) is a wearable-based AI for long-term continuous cardiac monitoring, specifically designed to detect and characterize atrial fibrillation and other cardiac arrhythmias. While both fall under cardiology AI, they address different cardiovascular conditions and utilize distinct data modalities for diagnosis and risk assessment.

Choose Bunkerhill MAC if…

Choose Bunkerhill MAC if your primary goal is to leverage existing routine CT scans to proactively identify patients at increased cardiovascular risk due to mitral annular calcification. This tool is ideal for integrating into radiology workflows to flag a specific structural heart condition that might otherwise go unnoticed, enabling early intervention and care coordination.

View Bunkerhill MAC →

Choose ZEUS System (Zio Watch) if…

Choose the ZEUS System (Zio Watch) if you need long-term, continuous cardiac monitoring to detect and characterize atrial fibrillation or other cardiac arrhythmias in patients. This wearable solution is best suited for situations requiring extended ECG and PPG data collection to capture intermittent or paroxysmal arrhythmias, providing actionable insights for rhythm management.

View ZEUS System (Zio Watch) →

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature Bunkerhill MAC ZEUS System (Zio Watch)
Pricing Unknown Contact vendor
Deployment Cloud-based, integrates with EHRs. Cloud-based system with a wearable device
BAA Available Yes AI-estimated 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

Bunkerhill MAC

Bunkerhill MAC integrates seamlessly with existing EHRs and clinical systems via its Carebricks platform, analyzing routine CT scans without adding to clinician workload, suggesting a passive and integrated workflow. In contrast, the ZEUS System involves a patient-worn device and separate apps for providers and patients, which introduces more user touchpoints and potential for patient-side usability challenges, despite efforts for EHR integration.

Clinical Value

ZEUS System (Zio Watch)

Both tools are FDA-cleared and provide significant clinical value. However, the ZEUS System offers highly accurate and continuous arrhythmia detection with reported interval-level sensitivity of 93.6% and specificity of 99.1% for AFib, along with 99% physician agreement on its actionable reports. It also demonstrates a significantly shorter time to results and higher arrhythmia detection rate compared to traditional Holter monitors.

Pricing & Value

ZEUS System (Zio Watch)

While both tools require direct vendor contact for pricing, the ZEUS System offers greater transparency and support regarding the financial aspect. It explicitly states coverage by Medicare and many commercial insurance plans, and provides 'Patient Financial Navigators' to assist with billing and understanding benefits. The company also aims to be significantly more cost-effective than implantable loop recorders.

Enterprise Readiness

Bunkerhill MAC

Bunkerhill MAC demonstrates strong enterprise readiness through its integration with the Carebricks generative AI platform, which is already deployed in major health systems like Cleveland Clinic and Mayo Clinic, showcasing proven scalability and adoption. While the ZEUS System has explicit HIPAA/BAA compliance and a direct partnership with Epic for EHR integration, Bunkerhill's platform approach for multiple AI models and custom workflows suggests a broader, more flexible enterprise solution for diverse clinical needs.

Innovation

Bunkerhill MAC

Bunkerhill MAC is the first FDA-cleared AI algorithm to detect and quantify mitral annular calcification (MAC) on routine, non-gated chest CT scans, leveraging existing imaging for opportunistic screening of an often-overlooked condition. Its integration with the Carebricks generative AI platform for clinical reasoning and automated workflows represents a broader, more transformative innovation in how AI assists clinical decision-making and care coordination at scale.

Support & Docs

ZEUS System (Zio Watch)

The ZEUS System offers comprehensive support and documentation, including dedicated apps for both providers and patients with educational content and management features [JSON, cite: 17]. It also provides 24/7 phone support for providers and a professional education platform, 'iRhythm Academy,' with on-demand learning modules and tutorials. Bunkerhill MAC does not provide explicit information on customer support or documentation in the available facts.

Feature-by-Feature

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

Feature Bunkerhill MAC ZEUS System (Zio Watch)
Name Bunkerhill MAC ZEUS System (Zio Watch)
Company Bunkerhill Health iRhythm Technologies
Primary Detection Focus Mitral Annular Calcification (MAC) on routine CT scans Atrial Fibrillation (AFib) and other cardiac arrhythmias
Integration/Platform Integrated with existing EHRs and clinical systems via Carebricks platform ZioSuiteu00ae portal and provider mobile app; MyZiou00ae patient app
Categories Cardiology AI, Clinical Decision Support & Reference Cardiology AI, Wearables & Remote Monitoring (RPM)
Specialties Cardiology, Radiology Cardiology, Family Medicine, Internal Medicine

Videos

Demos, reviews, and walkthroughs featuring Bunkerhill MAC and ZEUS System (Zio Watch).

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Frequently Asked Questions

Bunkerhill MAC is an FDA-cleared AI algorithm that detects and quantifies mitral annular calcification (MAC) on routine CT scans, aiding early cardiovascular risk identification. The ZEUS System (Zio Watch) is an FDA-cleared, AI-powered wearable designed for long-term continuous cardiac monitoring to detect and characterize Atrial Fibrillation (AFib) and other cardiac arrhythmias.
Bunkerhill MAC analyzes routine, non-gated chest CT scans to identify and quantify MAC. In contrast, the ZEUS System (Zio Watch) utilizes a wearable biosensor (Zio Watch) to collect continuous ECG and PPG data for arrhythmia detection.
Bunkerhill MAC primarily supports Cardiology and Radiology by providing insights into cardiovascular risk from CT scans. The ZEUS System (Zio Watch) is designed to benefit Cardiology, Family Medicine, and Internal Medicine for the long-term detection and management of cardiac arrhythmias.
Bunkerhill MAC is cloud-based and integrates with existing EHRs and clinical systems via the Carebricks platform, supporting automated workflows for follow-up and care coordination. The ZEUS System (Zio Watch) is a cloud-based system that includes a wearable device, a ZioSuite portal, and a provider mobile app for report interpretation and patient management, designed to improve clinician workflows.
Bunkerhill MAC provides AI-powered detection and quantification of MAC, identifying patients at increased cardiovascular risk to aid in care coordination. The ZEUS System (Zio Watch) delivers clinically actionable reports with high physician agreement (99%) for advanced arrhythmia detection and analysis, including AFib burden.
Bunkerhill MAC performs a one-time analysis of routine CT scans to detect and quantify MAC. In contrast, the ZEUS System (Zio Watch) provides long-term continuous monitoring for up to 14 days using its wearable biosensor for arrhythmia detection.

Backers

Who funded each tool's parent company.

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