# HEART MASTER Aortic Stenosis vs ECHO On

The clearest difference is update cadence: ECHO On at weekly against HEART MASTER Aortic Stenosis's every 15 months. ECHO On also leads on ratings volume (15 vs 2) and device support (3 vs 1). HEART MASTER Aortic Stenosis's advantage is iOS requirement (12.1 vs 15.6). 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 ECHO On. That said, the two scores are not equally well evidenced: ECHO On has 15 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, ECHO On weekly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HEART MASTER Aortic Stenosis | ECHO On |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/heart-master-aortic-stenosis/id568837668/reviews)** | [4.9 (15 ratings)](https://appshunter.io/ios/app/echo-on/id1519707786/reviews) |
| Number of ratings | 2 | **15** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Weekly** |
| Monetization | Free | Free |
| Size | 237 MB | 414 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Edwards Lifesciences](https://appshunter.io/developer/382590292) | [Robert Arrigo](https://appshunter.io/developer/1519707788) |

## 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


### ECHO On

[App page](https://appshunter.io/ios/app/echo-on/id1519707786)

This medical education app helps users learn Transesophageal Echocardiography with a question bank, cognitive aid, case log, and reference library. It provides guidance on performing and interpreting a standard 28-view exam, including anatomy, function, and Doppler interrogations.

**Highlights:** Transesophageal Echocardiography education, Enlarging question bank, Rescue TEE cognitive aid, Case Log system, Perioperative Quick Reference library, Offline echo loops, Pathology, technique, and normal loop examples

**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 ECHO On free?

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

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

HEART MASTER Aortic Stenosis is rated higher. HEART MASTER Aortic Stenosis averages 5.0 out of 5 from 2 ratings, while ECHO On averages 4.9 from 15 ratings.

### Do HEART MASTER Aortic Stenosis or ECHO On have ads?

Neither HEART MASTER Aortic Stenosis nor ECHO On shows ads.

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

HEART MASTER Aortic Stenosis ships an update every 15 months, and ECHO On weekly. Most recently, HEART MASTER Aortic Stenosis was updated on October 14, 2026 and ECHO On 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.*