Tempus ECG-AF vs Study 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 Tempus AI, Inc.
VS
by Verily

AI Verdict

Tempus ECG-AF is an AI-driven software solution for predicting future atrial fibrillation risk from a single 12-lead ECG, intended for clinical risk stratification. In contrast, the Verily Study Watch is a wearable device designed for continuous physiological monitoring and data collection in clinical research, offering features like on-demand ECG and irregular pulse detection. While both utilize AI in cardiology, Tempus focuses on predictive analytics from existing diagnostic data, whereas Verily provides a continuous data acquisition platform for research purposes.

Choose Tempus ECG-AF if…

Choose Tempus ECG-AF if your primary goal is to proactively identify older patients (65+) at risk of developing new-onset atrial fibrillation within the next year, leveraging existing 12-lead ECG infrastructure. This tool is ideal for integrating into routine cardiology or internal medicine workflows to support earlier risk stratification and targeted follow-up for high-risk individuals.

View Tempus ECG-AF →

Choose Study Watch if…

Choose Verily Study Watch if your clinical research study requires continuous, long-term physiological monitoring across multiple parameters like ECG, heart rate, and movement. This prescription-only wearable device is best suited for collecting rich, real-world data for in-depth analysis on a cloud platform, particularly in studies focused on cardiology, neurology, or sleep medicine where sustained data capture is crucial.

View Study Watch →

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature Tempus ECG-AF Study Watch
Pricing Contact vendor Unknown
Deployment Software solution, integrated into healthcare facility systems with advanced cardiology algorithms. The Study Watch is a wrist-worn, multi-sensor wearable device used for data collection in clinical trials. Data from the watch is encrypted and sent securely to the Verily Cloud using a USB syncing and charging cradle and a wireless connectivity bridge (Verily Study Hub).
BAA Available Yes AI-estimated Unknown
FDA Status Yes AI-estimated Cleared AI-estimated
HIPAA Yes 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

Tempus ECG-AF

Tempus ECG-AF integrates seamlessly into existing clinical workflows by analyzing readily available 12-lead ECG data, requiring no additional patient interaction or device management by the clinic. In contrast, Verily Study Watch, while designed for patient ease of use, introduces the complexities of device distribution, patient compliance, and continuous data collection management for healthcare providers.

Clinical Value

Tempus ECG-AF

Tempus ECG-AF offers a clear and immediate clinical value by providing an FDA-cleared, specific risk prediction for developing AF within 12 months, enabling proactive patient management. Verily Study Watch, while collecting rich physiological data and having an irregular pulse monitor, is primarily positioned for clinical research, making its direct, actionable clinical utility for routine care less explicit.

Pricing & Value

Tempus ECG-AF

Tempus ECG-AF has a transparent and established CMS reimbursement pathway with a specified Medicare rate, which significantly enhances its financial value and ease of adoption for healthcare providers. Verily Study Watch's pricing is not publicly available and lacks a clear reimbursement mechanism, making its financial value proposition less defined for clinical use.

Enterprise Readiness

Tempus ECG-AF

Tempus ECG-AF is designed for seamless integration into existing healthcare facility systems and is compatible with widely used ECG equipment, demonstrating strong enterprise readiness. While Verily Study Watch is also FDA cleared and HIPAA compliant, the ongoing lawsuit alleging HIPAA breaches, even if denied, could pose a risk for enterprise adoption, and its wearable-plus-cloud model may introduce additional operational complexities.

Innovation

Tie

Both tools demonstrate significant innovation in different aspects of healthcare AI. Tempus ECG-AF innovates by leveraging AI for predictive analytics on existing clinical data, providing a novel diagnostic insight. Verily Study Watch showcases innovation in wearable technology, offering continuous, multi-sensor physiological monitoring for comprehensive data collection in clinical research.

Support & Docs

Tempus ECG-AF

Tempus AI clearly outlines customer support channels, including email and local representatives, and provides resources like FAQs for its products, indicating a structured support system for clinical users. Verily provides user manuals and regulatory documents for the Study Watch, but its general support information appears more geared towards research partners and other products, with less explicit, dedicated customer support for broader clinical deployment of the Study Watch.

Feature-by-Feature

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

Feature Tempus ECG-AF Study Watch
Company Tempus AI, Inc. Verily Life Sciences
Primary Use Case 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. Non-invasive, continuous physiological monitoring in clinical research, collecting data like ECG, heart rate, and movement for analysis in Verily's cloud platform.
Target Population/Setting Patients 65 years or older without pre-existing AF, pacemakers, ICDs, or recent cardiac surgery. Clinical research (prescription-only device).
Key Data Input/Sensors 12-lead ECG recordings (analyzed by AI algorithm) Multiple physiological sensors (ECG, heart rate, electrodermal activity, inertial movements)
Categories Cardiology AI Cardiology AI, Wearables & Remote Monitoring (RPM)
Specialties Cardiology, Geriatrics, Internal Medicine Cardiology, Neurology, Sleep Medicine

Videos

Demos, reviews, and walkthroughs featuring Tempus ECG-AF and Study Watch.

Loading videos…
Videos need JavaScript to load. Search YouTube directly →

View all on YouTube

Frequently Asked Questions

Tempus ECG-AF is an AI-based algorithm designed to identify patients aged 65 or older at increased risk of developing atrial fibrillation/flutter within the next 12 months. Verily Study Watch is a prescription-only, sensor-based wearable device for non-invasive, continuous physiological monitoring primarily used in clinical research.
Tempus ECG-AF analyzes existing 12-lead ECG recordings from compatible GE Medical Systems and Philips Medical Systems devices using an AI-based algorithm. Verily Study Watch is a wearable device that continuously collects data like ECG, heart rate, and movement, which is then uploaded to Verily's cloud platform for processing.
Tempus ECG-AF is intended for patients 65 years or older without pre-existing AF, pacemakers, ICDs, or recent cardiac surgery. Verily Study Watch is designed for use in clinical research settings and partnerships.
Yes, CMS reimbursement is available for Tempus ECG-AF (CPT 0764T and CPT 0765T to APC 5734, Medicare rate of $128.90, effective January 1, 2025). Pricing for Verily Study Watch is not publicly available as it is intended for clinical research and partnerships.
Tempus ECG-AF is a software solution integrated into healthcare facility systems with advanced cardiology algorithms. Verily Study Watch is a wearable device that uploads collected data to Verily's cloud platform for analysis.
Tempus ECG-AF analyzes standard 12-lead ECG recordings to identify risk of future AF. Verily Study Watch provides continuous physiological monitoring, including on-demand single-channel ECGs and an irregular pulse monitor.
Both companies state their products are HIPAA compliant and have a Business Associate Agreement (BAA). However, an ongoing lawsuit alleges breaches of BAAs and HIPAA violations by Verily, which Verily denies.

Backers

Who funded each tool's parent company.

AI Tool Finder
AI-powered search. Results may not be comprehensive.