# The narnar app vs STEMIcathAID

The clearest difference is rating: The narnar app at 4.8 against STEMIcathAID's 3.3. STEMIcathAID's advantage is device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

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

The narnar app holds the better App Store score, 4.8 against 3.3. Both are backed by a comparable volume of ratings — 8 and 8 respectively.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | The narnar app | STEMIcathAID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8 ratings)](https://appshunter.io/ios/app/the-narnar-app/id1338238999/reviews)** | [3.3 (8 ratings)](https://appshunter.io/ios/app/stemicathaid/id1482930279/reviews) |
| Number of ratings | 8 | 8 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 13 MB | 71 MB |
| Requires iOS | **14.3** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [narnar, LLC](https://appshunter.io/developer/1058713005) | [Icahn School of Medicine at Mount Sinai](https://appshunter.io/developer/972625667) |

## What reviewers say

### The narnar app

[App page](https://appshunter.io/ios/app/the-narnar-app/id1338238999)

This application aids researchers in processing and quantifying perfusion studies for contrast-enhanced ultrasound. It supports various organs and research protocols, offering real-time analysis of microvascular blood flow.

**Highlights:** Perfusion study processing, Quantification of microvascular blood flow, Supports various organs and research protocols, Automatic and manual image alignment, Real-time time-videointensity curve analysis, Parametric imaging of blood flow

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is The narnar app free?

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

### Is STEMIcathAID free?

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

### Which has better reviews, The narnar app or STEMIcathAID?

The narnar app is rated higher. The narnar app averages 4.8 out of 5 from 8 ratings, while STEMIcathAID averages 3.3 from 8 ratings.

### Do The narnar app or STEMIcathAID have ads?

Neither The narnar app nor STEMIcathAID shows ads.

### Which is updated more often, The narnar app or STEMIcathAID?

The narnar app ships an update every 3 months, and STEMIcathAID every 3 months. Most recently, The narnar app was updated on October 16, 2026 and STEMIcathAID 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.*