# STEMIcathAID vs MCSAID

The clearest difference is update cadence: STEMIcathAID at every 3 months against MCSAID's every 40 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.

STEMIcathAID ships an update every 3 months, MCSAID every 40 months. The most recent releases landed on August 28, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | STEMIcathAID | MCSAID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (8 ratings)](https://appshunter.io/ios/app/stemicathaid/id1482930279/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 40 months |
| Monetization | Free | — |
| Size | 71 MB | 46 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Icahn School of Medicine at Mount Sinai](https://appshunter.io/developer/972625667) | [Cardiology Apps LLC](https://appshunter.io/developer/1639925847) |

## What reviewers say

### STEMIcathAID

[App page](https://appshunter.io/ios/app/stemicathaid/id1482930279)

This medical app streamlines STEMI treatment by optimizing patient recognition, response, and record-keeping. It enhances communication and coordination among healthcare providers, reducing critical time to reperfusion for high-risk patients. Features include EKG upload, cardiogenic shock assessment, and live GPS tracking.

**Highlights:** EKG upload via smartphone, Cardiogenic shock assessment, STEMI patient transfer pathway, Live GPS tracking of EMS, HIPAA compliant encrypted collaboration, Notification system for cath lab preparation

**Features:** Vision Pro support

**In-app purchases:** none


### MCSAID

[App page](https://appshunter.io/ios/app/mcsaid/id6443740248)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STEMIcathAID free?

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

### Is MCSAID free?

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

### Do STEMIcathAID or MCSAID have ads?

Neither STEMIcathAID nor MCSAID shows ads.

### Which is updated more often, STEMIcathAID or MCSAID?

STEMIcathAID ships an update every 3 months, and MCSAID every 40 months. Most recently, STEMIcathAID was updated on August 28, 2026 and MCSAID on September 12, 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.*