# Proctor Portal vs STS Risk Calc

The clearest difference is update cadence: Proctor Portal at every 3 months against STS Risk Calc's every 16 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Proctor Portal ships an update every 3 months, STS Risk Calc every 16 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Proctor Portal | STS Risk Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sts-risk-calc/id6737915787/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 16 months |
| Monetization | — | Free |
| Size | 48 MB | 35 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Edwards Lifesciences](https://appshunter.io/developer/382590292) | [The Society of Thoracic Surgeons](https://appshunter.io/developer/580753468) |

## What reviewers say

### Proctor Portal

[App page](https://appshunter.io/ios/app/proctor-portal/id6445819115)

**Features:** macOS Compatibility

**In-app purchases:** none


### STS Risk Calc

[App page](https://appshunter.io/ios/app/sts-risk-calc/id6737915787)

This tool assists cardiothoracic surgery teams in evaluating patient surgical risk. It utilizes current data from a national database to provide accurate risk assessments.

**Highlights:** Surgical risk assessment, Utilizes STS National Database data, For cardiothoracic surgery teams, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Proctor Portal free?

Proctor Portal is free to download, with no in-app purchases.

### Is STS Risk Calc free?

STS Risk Calc is free to download, with no in-app purchases.

### Do Proctor Portal or STS Risk Calc have ads?

Neither Proctor Portal nor STS Risk Calc shows ads.

### Which is updated more often, Proctor Portal or STS Risk Calc?

Proctor Portal ships an update every 3 months, and STS Risk Calc every 16 months. Most recently, Proctor Portal was updated on October 14, 2026 and STS Risk Calc on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*