Study Watch with Irregular Pulse Monitor vs VX1+

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 Verily Life Sciences
VS
by Volta Medical

AI Verdict

Tool A, the Verily Study Watch, is a wearable device for continuous monitoring and detection of irregular pulses indicative of atrial fibrillation in clinical and research settings. Tool B, Volta Medical's VX1+, is AI-powered software that assists electrophysiologists in real-time during cardiac ablation procedures by identifying abnormal electrograms. While both address atrial fibrillation, their direct application differs significantly: one for patient monitoring and the other for procedural guidance.

Choose Study Watch with Irregular Pulse Monitor if…

Choose the Verily Study Watch if you need a prescription-only, FDA-cleared wearable for continuous, long-term monitoring of single-channel ECG rhythms and irregular pulses indicative of atrial fibrillation in adult patients (22+). It is particularly well-suited for clinical research and professional healthcare settings where unobtrusive biosensing and the collection of rich, complex datasets for various conditions like Parkinson's disease and cardiovascular health are crucial.

View Study Watch with Irregular Pulse Monitor →

Choose VX1+ if…

Choose Volta Medical's VX1+ if you are an electrophysiologist performing cardiac ablation procedures for atrial fibrillation or atrial tachycardia and require real-time, AI-powered assistance in identifying abnormal electrograms. This software integrates with existing EP recording and 3D mapping systems to help precisely locate areas for ablation, aiming to improve procedural efficacy and patient outcomes.

View VX1+ →

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Quick Comparison

Feature Study Watch with Irregular Pulse Monitor VX1+
Pricing Contact for pricing Not publicly available
Deployment Device-based (wrist-worn watch) Software application on a computing platform, integrates with existing EP recording and 3D mapping systems.
FDA Status True AI-estimated 1 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

Study Watch with Irregular Pulse Monitor

Tool A (Verily Study Watch) is designed for continuous, unobtrusive monitoring in real-world settings, with a simple interface that only displays time and instructions to the patient, making it easy to wear daily for prolonged periods. Tool B (VX1+) is a software application used in a clinical setting during complex cardiac ablation procedures, requiring integration with existing EP systems and real-time interpretation by electrophysiologists, which suggests a more specialized and less universally 'easy-to-use' interaction for the end-user (the clinician).

Clinical Value

VX1+

Tool B (VX1+) offers real-time AI-powered assistance during cardiac ablation procedures, with published peer-reviewed results demonstrating its ability to standardize the identification of abnormal electrograms and showing high freedom from atrial fibrillation after one year. While Tool A (Verily Study Watch) has FDA clearance for irregular pulse monitoring and has been used in numerous clinical trials for various conditions, its primary value is in data collection for research and monitoring, rather than direct, real-time interventional guidance with established clinical outcome improvements in a specific procedure.

Pricing & Value

Tie

Both Tool A and Tool B do not have publicly available pricing information, requiring direct contact with the respective companies for details. Without transparent pricing, it is impossible to definitively assess which tool offers better value. Both are prescription-only medical devices, implying a business-to-business sales model rather than consumer pricing.

Enterprise Readiness

VX1+

Tool B (VX1+) is a software application designed to integrate with existing EP recording and 3D mapping systems from major vendors like Boston Scientific, GE HealthCare, and Abbott, indicating a strong focus on compatibility and integration within established clinical workflows. Tool A (Verily Study Watch), while HIPAA compliant and used in large-scale studies, is a device-based solution primarily for clinical research and investigational use, which may require more bespoke integration strategies for broader enterprise deployment beyond its intended research context.

Innovation

VX1+

Tool B (VX1+) leverages AI and deep learning algorithms to provide real-time, automated assistance in identifying complex electrograms during live cardiac ablation procedures, a cutting-edge application of AI in interventional cardiology. Tool A (Verily Study Watch) is innovative in its unobtrusive biosensing and data collection capabilities for research, but its core function of ECG and irregular pulse monitoring is a more established application of wearable technology.

Support & Docs

Tie

Both tools are FDA-cleared medical devices, implying a certain standard of documentation and support. Tool B explicitly mentions a user manual and instructions for use. However, specific details about the breadth and accessibility of support services or comprehensive documentation for either product are not extensively detailed in the provided information or readily available through general web searches, leading to a tie.

Feature-by-Feature

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

Feature Study Watch with Irregular Pulse Monitor VX1+
Tool Name Study Watch with Irregular Pulse Monitor VX1+
Company Verily Life Sciences Volta Medical
Description FDA-cleared, prescription-only wearable device for adult patients (22+) to monitor and record single-channel ECG rhythms and detect irregular pulses indicative of atrial fibrillation, primarily for use in clinical research and professional healthcare settings. AI-powered software that assists electrophysiologists in real-time identification of abnormal electrograms during cardiac ablation procedures for atrial fibrillation and atrial tachycardia.
Primary Specialties Cardiology, Family Medicine, Internal Medicine Cardiology
Key Features Single-channel ECG recording, storage, transfer, and display; Irregular pulse monitoring and notification (e.g., for Atrial Fibrillation); Recommendation for ECG acquisition upon irregular pulse detection; Built-in biometric, environmental, and movement sensors; Continuous data capture with long battery life (e.g., 3-day for related Numetric Watch); Designed for clinical research and investigational use; Easy-to-use interface and configurable firmware; Supports multiple languages Real-time manual or automatic annotation of 3D anatomical and electrical maps of the human heart; Identification of spatio-temporal dispersed electrograms (DEs) during AF and AT procedures; AI-driven insights to assist electrophysiologists during ablation procedures; Compatibility with existing 510(k)-cleared catheters and specific data acquisition systems (e.g., Boston Scientific LabSystem Pro, GE HealthCare MacLab CardioLab EP Recording System, Abbott EnSite X 3D mapping system); Non-sterile reusable medical device; Simple user interface with color coding for electrogram dispersion (blue, orange, red); Booster mode for increased sensitivity during AT or slow AF; Provides cycle length estimation from electrograms

Videos

Demos, reviews, and walkthroughs featuring Study Watch with Irregular Pulse Monitor and VX1+.

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Frequently Asked Questions

The Verily Study Watch is a wearable device for continuous monitoring and data capture, primarily for clinical research and healthcare settings. Verily is working on technical integrations and exploring how to leverage the Study Watch with other services to support continuous monitoring and data analytics, aiming to create a clinical solution that considers clinician workflows and patient experience. Volta Medical's VX1+ is AI-powered software that integrates with existing EP recording and 3D mapping systems (e.g., Boston Scientific LabSystem Pro, GE HealthCare MacLab CardioLab EP Recording System, Abbott EnSite X 3D mapping system) to assist electrophysiologists in real-time during cardiac ablation procedures. The VX1+ offers improved workflow with automatic tagging of regions of interest when used with the Ensite X mapping system.
The Verily Study Watch with Irregular Pulse Monitor is designed to monitor and record single-channel ECG rhythms and detect irregular pulses indicative of atrial fibrillation. Studies have shown it to be very accurate at identifying atrial fibrillation. For sleep monitoring, the Study Watch showed a sensitivity of 0.97 and specificity of 0.70 for sleep vs. wake classification, and an accuracy of 0.78 for classifying all four sleep stages. Volta Medical's VX1+ uses machine and deep learning algorithms to identify spatio-temporal dispersed electrograms (DEs) during AF and AT procedures. The VX1 software has demonstrated robust center-to-center standardization of ablation outcomes in persistent atrial fibrillation patients, with high freedom from AF/AT after one year in a proof-of-concept study.
The Verily Study Watch is designed with an easy-to-use interface. For the Volta Medical VX1+, its algorithms are trained on a large database of electrograms annotated by expert electrophysiologists, which allows for a fast learning curve and standardized outcomes across operators. The VX1+ also features a simple user interface with color coding for electrogram dispersion.
For the Verily Study Watch, study teams receive training from Verily, including device overviews and troubleshooting guidance. Verily also provides technical escalation pathways and support services for device replacement if needed. Volta Medical's VX1+ is designed to provide real-time assistance during procedures, and its AI algorithms are trained to standardize outcomes, suggesting that the tool itself aids in consistent application.
The Verily Study Watch is designed for continuous data capture and encrypted cellular transmission of data to a cloud service, which lends itself to large population studies and multi-site deployments. Volta Medical's VX1+ has been evaluated in multicenter studies, demonstrating robust center-to-center standardization of ablation outcomes, which suggests it is suitable for multi-site rollouts. The VX1+ is also compatible with most EP recording and 3D navigation systems, facilitating broader adoption.
The Verily Study Watch is a prescription-only wearable for adult patients (22+) focused on continuous monitoring of single-channel ECG rhythms and irregular pulses indicative of atrial fibrillation, primarily for clinical research and professional healthcare settings. It also collects biometric, environmental, and movement data, and has been used in studies for Parkinson's disease and heart failure. The Volta Medical VX1+ is AI-powered software specifically designed to assist electrophysiologists in real-time during cardiac ablation procedures for atrial fibrillation and atrial tachycardia by identifying abnormal electrograms. Therefore, the choice depends on whether the physician needs a continuous remote monitoring device for diagnosis and research (Verily Study Watch) or an intra-procedural AI-guided tool for ablation procedures (Volta Medical VX1+).
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