Zio AT ECG Monitoring System vs Cardiomo

Direct competitors — feature-level head-to-head below. Comparability 85/100 Comparability is an AI-graded 0–100 score of how directly these two tools compete — higher means a more apples-to-apples comparison.
by iRhythm Technologies, Inc.
VS
by Cardiomo, Inc.

AI Verdict

Both Zio AT and Cardiomo are direct competitors offering AI-powered, wearable ECG monitoring for arrhythmia detection and remote cardiac health management. Zio AT emphasizes its FDA clearance and comprehensive clinician reporting for up to 14 days of continuous ECG, while Cardiomo highlights its broader vital sign monitoring (ECG, heart rate, respiration, skin temperature) and real-time alerts for users and caregivers, with a battery life of up to 10 days.

Choose Zio AT ECG Monitoring System if…

Choose the Zio AT ECG Monitoring System if you require extended, continuous, and highly accurate ECG monitoring for up to 14 days, particularly for detecting elusive or infrequent arrhythmias that shorter monitoring periods might miss. Its FDA-cleared AI algorithm and comprehensive end-of-wear reports make it ideal for clinicians needing in-depth diagnostic data and high physician agreement for complex arrhythmia detection and management.

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Choose Cardiomo if…

Choose Cardiomo if you need a medical-grade wearable for continuous vital sign monitoring and real-time alerts, especially for at-risk individuals like the elderly or those with known cardiovascular conditions. Its focus on immediate notifications to users and caregivers, coupled with features like fall detection and long battery life, makes it well-suited for proactive remote patient monitoring and early intervention in a home care setting.

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When choosing between the Zio AT ECG Monitoring System and Cardiomo, physicians should consider their primary monitoring goals and desired level of data granularity. The Zio AT system excels in comprehensive, long-term arrhythmia detection, leveraging an FDA-cleared deep-learned AI algorithm for continuous ECG recording up to 14 days. Its strength lies in providing detailed, end-of-wear reports specifically for arrhythmia diagnosis and management, making it ideal for cardiologists focused on identifying and characterizing cardiac electrical events.

In contrast, Cardiomo offers a broader spectrum of continuous vital sign monitoring, including ECG, heart rate, respiration, and skin temperature, alongside AI-powered disease detection and real-time alerts. The key practical difference lies in Zio AT’s specialized focus on extended ECG monitoring for arrhythmia diagnosis versus Cardiomo’s more generalized approach to continuous cardiovascular health tracking with immediate alert capabilities. Physicians primarily seeking a robust, diagnostic-grade tool for arrhythmia detection and detailed reporting would likely find the Zio AT system more aligned with their needs.

Conversely, those looking for a continuous, multi-parameter monitoring solution with real-time alerts for a wider range of cardiovascular insights, potentially for general wellness or early detection in at-risk populations, might prefer Cardiomo. While both are cloud-based and HIPAA-compliant, Zio AT’s FDA clearance specifically for its AI algorithm in arrhythmia detection provides a distinct advantage for diagnostic confidence in that particular domain.

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature Zio AT ECG Monitoring System Cardiomo
Pricing Contact for pricing Contact for pricing
Deployment Cloud-based (data analytics and clinician portal) Cloud-based with wearable device and mobile app
FDA Status 1 AI-estimated Unknown

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

Zio AT ECG Monitoring System

Zio AT emphasizes a patient-centric design, being smaller, lighter, and thinner for comfortable and discreet wear, leading to high patient compliance (99%). It is waterproof, allowing for showering and exercise, and requires no battery changes or charging during its 14-day wear. Cardiomo also offers a wearable patch and mobile app, with a battery life of up to 7-10 days and waterproof capabilities, but lacks the same level of documented patient compliance and specific design enhancements for comfort.

Clinical Value

Zio AT ECG Monitoring System

Zio AT is an FDA-cleared system with a deep-learned AI algorithm clinically proven to be as accurate as expert cardiologists in detecting 13 types of arrhythmias. It provides continuous, uninterrupted ECG recording for up to 14 days, with comprehensive end-of-wear reports that have 99% physician agreement. Cardiomo also uses AI for disease detection and real-time alerts, and has received ISO 13485 certification, but specific clinical validation studies demonstrating comparable accuracy to Zio AT or expert cardiologists are not as prominently detailed.

Pricing & Value

Tie

Both Tool A (Zio AT) and Tool B (Cardiomo) do not publicly disclose their current pricing, requiring direct contact for details. Zio AT's cost is typically between $1,000 and $2,500, depending on factors like provider and insurance, with financial assistance and installment plans available. Cardiomo previously offered pricing at $200 with a $10 monthly subscription, but current details are not available. Without transparent and current pricing for both, it's difficult to definitively assess which offers better value, as both rely on a 'contact for pricing' model.

Enterprise Readiness

Zio AT ECG Monitoring System

Zio AT demonstrates strong enterprise readiness through its established EHR integrations with major systems like Epic, Cerner, Athenahealth, Meditech, and eClinicalWorks, simplifying data collection and workflow efficiency for healthcare providers. It also has a dedicated clinician portal (ZioSuite) and mobile app for patient management and report interpretation. While Cardiomo mentions HIPAA-compliant cloud analytics and a mobile application, it does not detail specific EHR integrations or a comprehensive clinician portal, suggesting a potentially less mature enterprise offering.

Innovation

Zio AT ECG Monitoring System

Zio AT leverages an FDA-cleared deep-learned AI algorithm (ZEUS System) for arrhythmia detection, which is a significant innovation in cardiac monitoring. The system offers continuous, uninterrupted ECG recording for up to 14 days, and its patient-centric design has led to high compliance and improved data collection. Cardiomo also utilizes AI for disease detection and offers continuous vital sign monitoring, including fall detection, which is innovative. However, Zio AT's specific FDA clearance for its AI algorithm and its proven accuracy against expert cardiologists give it an edge in documented innovation within the clinical context.

Support & Docs

Zio AT ECG Monitoring System

iRhythm provides extensive support and documentation for Zio AT, including a clinical reference manual, detailed instructions for use, patient education resources, and a dedicated customer care line. The MyZio app also offers symptom logging, educational content, and reminders for patients. While Cardiomo offers a mobile application and mentions a user manual, the breadth and accessibility of its support and documentation are not as clearly articulated or as comprehensive as Zio AT's.

Feature-by-Feature

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

Feature Zio AT ECG Monitoring System Cardiomo
Company iRhythm Technologies, Inc. Cardiomo, Inc.
Description The Zio AT ECG Monitoring System by iRhythm Technologies is an FDA-cleared, wearable mobile cardiac telemetry (MCT) service offering continuous, AI-powered ECG monitoring for long-term arrhythmia detection and comprehensive reporting. Cardiomo offers a medical-grade wearable device and an AI-powered platform for continuous and remote heart health monitoring, designed to detect cardiovascular diseases and provide timely alerts to users and caregivers.
Key Monitoring Capabilities Continuous ECG recording, arrhythmia detection Continuous vital sign monitoring (ECG, heart rate, respiration, skin temperature), AI-powered disease detection (arrhythmias, cardiovascular events)
Monitoring Duration/Battery Life Up to 14 days (continuous ECG recording) Up to 7-10 days (battery life)
Specialties Cardiology Cardiology, Geriatrics, Internal Medicine

Videos

Demos, reviews, and walkthroughs featuring Zio AT ECG Monitoring System and Cardiomo.

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Frequently Asked Questions

Zio AT ECG Monitoring System offers EHR integration to streamline ordering and reporting, with specific integration capabilities for Epic Aura and compatibility with major EHR systems via HL7. This allows healthcare providers to submit and sign electronic orders and interpret reports directly within their EHR environment. Cardiomo also aims to reduce the distance between patient and practitioner and can send messages directly to a healthcare consultant, implying integration with clinical communication, but specific EHR integration details are not as extensively detailed.
The Zio AT ECG Monitoring System utilizes an FDA-cleared deep-learned AI algorithm and certified cardiographic technicians for arrhythmia detection, with 99% physician agreement on end-of-wear reports. Studies show Zio monitors have a higher diagnostic yield for arrhythmias compared to 24-48 hour Holter monitors, with detection rates for various arrhythmias increasing with longer monitoring durations. Cardiomo claims 99.63% accuracy in detecting cardiac events using its AI engine and new generation biosensors. Cardiomo's sensors achieve 99.2% clinical accuracy, validated through clinical studies.
The Zio AT system is designed for ease of use, with the patch being a simple 'peel and stick' application that patients can apply themselves, and no batteries to change or wires to manage. The ZioSuite clinician portal and mobile app are intuitive tools for managing patients and interpreting reports. This suggests a relatively low learning curve for both patients and staff. Cardiomo is also described as user-friendly and easy to use, with a mobile app that shows user-friendly information and sends instant notifications.
Cardiomo implements robust security measures including AES-256 encryption for data at rest and TLS 1.3 encryption for data in transit. It also utilizes role-based access control, hosts its infrastructure on AWS with 24/7 monitoring, conducts regular penetration testing, and has documented incident response procedures. Cardiomo is also ISO 27001 certified for information security management. While Zio AT is HIPAA compliant, specific additional security measures beyond HIPAA were not detailed in the provided information, though cardiac device data generally requires strong encryption, access limits, and detailed logs due to its constant flow across platforms.
The Zio AT ECG Monitoring System offers EHR integration compatible with all major EHR systems, and specifically with Epic Aura, which can streamline ordering and resulting workflows for health systems. This integration aims to improve operational efficiency and standardize workflows, which are beneficial for multi-site rollouts. Cardiomo's cloud-based analytics and real-time data transmission capabilities inherently support remote monitoring and could be scalable for larger deployments, though specific multi-site rollout features were not detailed.
The Zio AT ECG Monitoring System is intended for continuous, long-term monitoring of patients 18 years or older who may be asymptomatic or experience transient symptoms like palpitations, shortness of breath, or syncope. It is not intended for critical care patients or those with symptomatic episodes where variations in cardiac performance could result in immediate danger. Cardiomo is designed for continuous and remote heart health monitoring to detect cardiovascular diseases and provide timely alerts, suitable for individuals with CVDs or at high risk, and also offers fall detection. Cardiomo's focus on real-time alerts to patients, relatives, and caregivers may make it particularly suitable for elderly patients or those who live alone.
iRhythm, the company behind Zio AT, offers customer care and provides a dedicated project manager for seamless implementation and ongoing support post-implementation, particularly for EHR integration. This comprehensive support, coupled with the device's ease of use and high diagnostic yield, can contribute to a faster time-to-value by reducing staff burden and accelerating patient care pathways. Cardiomo's system is described as user-friendly, which generally implies a quicker adoption and time-to-value, but specific details on physician training and ongoing customer support were not provided.

Backers

Who funded each tool's parent company.

Cardiomo

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