# SPARCtool

> AFib stroke and bleeding risks

Canonical page: [https://chrome-stats.com/d/id6805745818](https://chrome-stats.com/d/id6805745818)

## Overview

- **ID:** `id6805745818`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** PETER SHANE LOEWEN
- **Category:** Medical
- **Version:** 1.0.0
- **Last updated:** 2026-09-15
- **First published:** 2026-09-14
- **Size:** 2.05 MB
- **Data as of:** 2026-09-20
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/sparctool/id6805745818)
- **Website:** [https://www.sparctool.com/](https://www.sparctool.com/)
- **Privacy policy:** [https://www.sparctool.com/privacy/](https://www.sparctool.com/privacy/)

## Description

Compare estimated stroke and major bleeding risks to support informed conversations about stroke prevention in patients with atrial fibrillation.

SPARCtool (Stroke Prevention in Afib Risk Calculator) is a clinical decision-support and educational tool to support informed conversations about stroke prevention in patients with atrial fibrillation. Enter patient risk factors to instantly calculate CHA₂DS₂-VASc and HAS-BLED scores. SPARCtool then transforms these scores into an intuitive visual comparison of the patient’s individualized annual risks of stroke and major bleeding across all antithrombotic treatment options.

Features:
• Individualized comparisons of antithrombotic therapy options
• Annual stroke and major bleeding risk estimates
• Treatment trade-off (Net Clinical Benefit) estimates
• 100-person faces grids (risk pictures)
• Therapy-specific cautions depending on patient attributes
• Selected therapy options are retained on device between uses
• References and explanatory notes
• Shareable PDF results
• Copyable EMR summary

Beginning in 2003 as a Palm Pilot™ app, and since 2013 as a web app (www.sparctool.com), SPARCtool has been supporting clinicians and patients worldwide  to have informed conversations about stroke prevention treatment decisions. SPARCtool is regularly updated to reflect current evidence about therapy options.

Calculations occur locally on the device. SPARCtool does not collect or transmit patient information. SPARCtool supports learning and informed clinical conversations. It does not replace clinical judgment, individualized professional advice, or consideration of current clinical guidelines and product information. The author of SPARCtool has no relationship with sponsors or other industry interests involving atrial fibrillation or its therapies.

## Rankings

- #2,082,494 — Overall

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- [DOACScore](https://chrome-stats.com/d/id6740561711)
- [HAS-BLED](https://chrome-stats.com/d/id936682777)
- [Stroke Prevention in AFib](https://chrome-stats.com/d/id979351765)
- [CoroCompass CV Risk Prevention](https://chrome-stats.com/d/id6756392894)
- [Crusade Risk Score for ACS](https://chrome-stats.com/d/id1241597068)
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Source: [Chrome-Stats](https://chrome-stats.com/d/id6805745818)