# STS Risk Calc — CT surgery risk analysis tool

> Cardiothoracic surgery risk analysis tool using national database data. (iPhone/iPad app by The Society of Thoracic Surgeons.)

- Source: https://appshunter.io/ios/app/sts-risk-calc/id6737915787 (this page in markdown: same URL + `.md`)
- Developer: [The Society of Thoracic Surgeons](https://appshunter.io/developer/580753468)
- Category: Productivity
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 17+
- Requires: iOS 13.0 · 41 MB
- Languages: English
- Released: 2025-06-12
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/sts-risk-calc/id6737915787/reviews.md

## What is STS Risk Calc?

The STS risk calculators use the latest data from the STS National Database to help cardiothoracic surgery teams assess surgical risk.

## Key features

- Surgical risk assessment
- Utilizes STS National Database data
- For cardiothoracic surgery teams
- Free to use


## Frequently asked questions about STS Risk Calc

### What is STS Risk Calc used for?

STS Risk Calc is a tool designed to help cardiothoracic surgery teams assess the surgical risk for their patients. It uses the most recent data available from the STS National Database to provide these assessments.

### Is STS Risk Calc free to download and use?

Yes, STS Risk Calc is available for free. There are no costs associated with downloading or using the application.

### What devices does STS Risk Calc support?

STS Risk Calc is currently supported on iPhone and iPod devices. It is designed for use on Apple's mobile operating system.

### How up-to-date is the data used by STS Risk Calc?

The application uses the latest data from the STS National Database, ensuring that risk assessments are based on current information and trends in cardiothoracic surgery.

### Who developed STS Risk Calc?

STS Risk Calc was developed by The Society of Thoracic Surgeons, an organization dedicated to advancing cardiothoracic surgery.

### What is the age rating for STS Risk Calc?

STS Risk Calc has an age rating of 17+, indicating it is intended for adult users and professionals in the medical field.

### How often is STS Risk Calc updated?

The application was last updated on June 12, 2025, with version 1.0.1. Future updates will likely occur to incorporate new data and features.

### Does STS Risk Calc have ads?

No, STS Risk Calc does not contain advertisements. As a free application, it provides an ad-free experience for its users.

## Version history (last 1 release)

### 1.0.1 — 2025-06-12

No release notes.

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## More apps by The Society of Thoracic Surgeons

- [STS Events](https://appshunter.io/ios/app/sts-events/id1491782678)
- [CTSNet App](https://appshunter.io/ios/app/ctsnet-app/id1498274293)
- [STS 2026](https://appshunter.io/ios/app/sts-2026/id6756079184)

All apps by The Society of Thoracic Surgeons: https://appshunter.io/developer/580753468

## Related topics

[sts risk calc](https://appshunter.io/ios/topics/sts-risk-calc) · [sts risk calculator](https://appshunter.io/ios/topics/sts-risk-calculator) · [sts cardiothoracic surgery](https://appshunter.io/ios/topics/sts-cardiothoracic-surgery)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*