# HEART MASTER Aortic Stenosis vs EchoRef

The clearest difference is update cadence: EchoRef at every 2 months against HEART MASTER Aortic Stenosis's every 15 months. EchoRef also leads on ratings volume (1.4K vs 2). HEART MASTER Aortic Stenosis's advantage is iOS requirement (12.1 vs 26.0). On price, rating, review sentiment 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.

On the App Store both sit at effectively the same score — 5.0 for HEART MASTER Aortic Stenosis against 4.9 for EchoRef. That said, the two scores are not equally well evidenced: EchoRef has 1.4K ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

HEART MASTER Aortic Stenosis ships an update every 15 months, EchoRef every 2 months. The most recent releases landed on October 14, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | HEART MASTER Aortic Stenosis | EchoRef |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/heart-master-aortic-stenosis/id568837668/reviews)** | [4.9 (1.4K ratings)](https://appshunter.io/ios/app/echoref/id1434016053/reviews) |
| Number of ratings | 2 | **1.4K** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 237 MB | 104 MB |
| Requires iOS | **12.1** | 26.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [Edwards Lifesciences](https://appshunter.io/developer/382590292) | [Rishi Kumar](https://appshunter.io/developer/1434016052) |

## What reviewers say

### HEART MASTER Aortic Stenosis

[App page](https://appshunter.io/ios/app/heart-master-aortic-stenosis/id568837668)

An immersive 3D educational tool for physicians and medical students focusing on aortic stenosis. Explore heart anatomy, disease progression, and surgical treatments with interactive annotations and a detailed visual guide.

**Highlights:** 3D heart anatomy exploration, Aortic stenosis pathophysiology visualization, Surgical treatment step-by-step guide, Interactive drawing and annotation tools, Picture gallery for notes, High technical accuracy

**Features:** macOS Compatibility

**In-app purchases:** none


### EchoRef

[App page](https://appshunter.io/ios/app/echoref/id1434016053)

This educational reference app provides comprehensive information on point-of-care ultrasound (POCUS), echocardiography, and cardiac measurements. It includes lessons on interventional procedures and hemodynamic calculations for medical professionals.

**Highlights:** Point-of-care ultrasound (POCUS), Transthoracic echocardiography (TTE), Transesophageal echocardiography (TEE), Cardiac dimensions and valve measurements, Hemodynamic and ultrasound calculations, Interventional procedure lessons

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HEART MASTER Aortic Stenosis free?

HEART MASTER Aortic Stenosis is free to download, with no in-app purchases.

### Is EchoRef free?

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

### Which has better reviews, HEART MASTER Aortic Stenosis or EchoRef?

HEART MASTER Aortic Stenosis is rated higher. HEART MASTER Aortic Stenosis averages 5.0 out of 5 from 2 ratings, while EchoRef averages 4.9 from 1.4K ratings.

### Do HEART MASTER Aortic Stenosis or EchoRef have ads?

Neither HEART MASTER Aortic Stenosis nor EchoRef shows ads.

### Which is updated more often, HEART MASTER Aortic Stenosis or EchoRef?

HEART MASTER Aortic Stenosis ships an update every 15 months, and EchoRef every 2 months. Most recently, HEART MASTER Aortic Stenosis was updated on October 14, 2026 and EchoRef on October 29, 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.*