Zio ECG Utilization Software (ZEUS) System vs Tempus ECG-AF

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 iRhythm Technologies
VS
by Tempus AI, Inc.

AI Verdict

Tool A focuses on the diagnosis and management of various cardiac arrhythmias through continuous ECG monitoring via wearable devices. In contrast, Tool B is designed to predict the risk of new-onset atrial fibrillation within 12 months for specific elderly patients using a single 12-lead ECG. Therefore, while both leverage AI for cardiac care, Tool A is suited for ongoing diagnostic monitoring, whereas Tool B provides a predictive risk assessment for a defined patient population.

Choose Zio ECG Utilization Software (ZEUS) System if…

Choose the Zio ECG Utilization Software (ZEUS) System if you need comprehensive, continuous ECG monitoring for up to 14 days to diagnose and manage a wide range of cardiac arrhythmias. This cloud-based platform is ideal for capturing intermittent events and providing detailed end-of-wear reports from wearable biosensors, supporting ongoing patient management.

View Zio ECG Utilization Software (ZEUS) System →

Choose Tempus ECG-AF if…

Choose Tempus ECG-AF if your primary goal is to proactively identify patients aged 65 or older at increased risk of developing new-onset atrial fibrillation within the next 12 months using a standard 12-lead ECG. This AI-based algorithm is best suited for screening and risk stratification in an older population without pre-existing AF, enabling earlier follow-up and potential intervention.

View Tempus ECG-AF →

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature Zio ECG Utilization Software (ZEUS) System Tempus ECG-AF
Pricing Unknown Contact vendor
Deployment Cloud-based. Software solution, integrated into healthcare facility systems with advanced cardiology algorithms.
BAA Available Yes AI-estimated Yes AI-estimated
FDA Status Yes AI-estimated Yes 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

Zio ECG Utilization Software (ZEUS) System

Tool A offers a dedicated web portal (ZioSuite) and a mobile application for healthcare professionals, along with a patient-facing app, providing a direct and comprehensive user experience for managing continuous ECG data. In contrast, Tool B explicitly states it does not have a dedicated user interface, relying solely on integration with existing healthcare facility systems, which may limit direct user interaction and specialized workflow management.

Clinical Value

Zio ECG Utilization Software (ZEUS) System

Tool A provides a comprehensive solution for the diagnosis and ongoing management of cardiac arrhythmias through continuous, long-term monitoring (up to 14 days) and detailed end-of-wear reports with a 99% physician agreement rate. Tool B focuses specifically on risk prediction for new-onset AF in a defined population, which is valuable for early identification but has a narrower scope and is not intended for patient monitoring or as a sole basis for diagnosis or treatment.

Pricing & Value

Tempus ECG-AF

Tool B clearly outlines CMS reimbursement availability with specific CPT codes and a Medicare rate, providing transparency and a clear financial pathway for adoption by healthcare providers. Tool A's pricing information is not publicly available, making it difficult to assess its value proposition without direct vendor contact.

Enterprise Readiness

Tie

Both tools demonstrate strong enterprise readiness. Tool A offers a robust cloud-based platform with HL7 EHR integration and dedicated portals for clinicians and patients, along with international regulatory clearances (CE Mark). Tool B also integrates seamlessly into existing healthcare facility systems via standard protocols and is compatible with major ECG hardware vendors, leveraging EHR data for patient filtering and having a major academic medical center as an early adopter.

Innovation

Zio ECG Utilization Software (ZEUS) System

While both are innovative, Tool A's approach of integrating AI with wearable biosensors for continuous, long-term monitoring and providing a comprehensive end-to-end service for diagnosis and management represents a more disruptive innovation in how cardiac data is collected and utilized outside traditional clinical settings. Tool B's innovation lies in applying AI to existing 12-lead ECGs for risk prediction, which is valuable but less transformative in the data acquisition paradigm.

Support & Docs

Zio ECG Utilization Software (ZEUS) System

Tool A provides easily accessible Instructions for Use documents, a dedicated customer care contact (email and phone), and a comprehensive web portal (ZioSuite) that includes user administration and patient support resources. While Tool B offers technical support contacts and a document library, Tool A's publicly available and detailed documentation, combined with multiple support channels and patient resources, suggests a more robust and transparent support ecosystem.

Feature-by-Feature

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

Feature Zio ECG Utilization Software (ZEUS) System Tempus ECG-AF
Product Name Zio ECG Utilization Software (ZEUS) System Tempus ECG-AF
Company iRhythm Technologies Tempus AI, Inc.
Primary Function AI-powered, cloud-based platform that analyzes continuous ECG data from wearable Zio monitors to aid physicians in the diagnosis and management of cardiac arrhythmias. FDA-cleared AI-based algorithm that analyzes 12-lead ECG recordings to identify patients aged 65 or older at increased risk of developing atrial fibrillation/flutter (AF) within the next 12 months, supporting earlier identification and follow-up.
ECG Data Type Analyzed Continuous ECG data from wearable Zio monitors (up to 14 days) 12-lead ECG recordings (compatible with FDA authorized resting 12-lead ECGs from GE Medical Systems and Philips Medical Systems)
Target Condition/Detection Cardiac arrhythmias (detection and classification) Increased risk of developing atrial fibrillation/flutter (AF) within the next 12 months
Target Patient Population Not specified Patients aged 65 or older without pre-existing AF, pacemakers, ICDs, or recent cardiac surgery
EHR Integration HL7-based EHR integration Not specified

Videos

Demos, reviews, and walkthroughs featuring Zio ECG Utilization Software (ZEUS) System and Tempus ECG-AF.

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Frequently Asked Questions

The Zio ECG Utilization Software (ZEUS) System is designed to aid physicians in the diagnosis and management of cardiac arrhythmias by analyzing continuous ECG data from wearable Zio monitors. Tempus ECG-AF, on the other hand, identifies patients aged 65 or older at increased risk of developing new-onset atrial fibrillation (AF) within the next 12 months, supporting earlier identification and follow-up.
ZEUS analyzes continuous ECG data collected from iRhythm's proprietary wearable Zio monitors. Tempus ECG-AF analyzes standard 12-lead ECG recordings and is compatible with FDA authorized resting 12-lead ECGs from GE Medical Systems and Philips Medical Systems.
ZEUS is indicated for patients 18 years or older who may be symptomatic or asymptomatic for various cardiac events, excluding critical care patients. Tempus ECG-AF is specifically for patients 65 years or older without pre-existing AF, pacemakers, ICDs, or recent cardiac surgery, to assess their risk of developing AF.
Tempus ECG-AF has CMS reimbursement available, with CPT codes 0764T and 0765T mapping to APC 5734, and a Medicare rate of $128.90 effective January 1, 2025. The provided information does not specify public reimbursement details for the ZEUS System.
The ZEUS System analyzes continuous ECG data for up to 14 days from wearable Zio monitors. Tempus ECG-AF predicts the risk of developing new-onset Atrial Fibrillation within the next 12 months based on a single 12-lead ECG recording.

Backers

Who funded each tool's parent company.

Zio ECG Utilization Software (ZEUS) System

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