# SonoSim vs EchoGuide by ASE

The clearest difference is ads: EchoGuide by ASE at none against SonoSim's shown. EchoGuide by ASE also leads on rating (4.7 vs 4.5) and monetization model (free vs ad-supported). SonoSim's advantage is iOS requirement (9.0 vs 14.2). On price, 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.

EchoGuide by ASE holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: EchoGuide by ASE has 41 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 67% of SonoSim's written reviews are positive against 75% of EchoGuide by ASE's.

SonoSim ships an update every 2 months, EchoGuide by ASE monthly. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SonoSim | EchoGuide by ASE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (8 ratings)](https://appshunter.io/ios/app/sonosim/id1462648333/reviews) | **[4.7 (41 ratings)](https://appshunter.io/ios/app/echoguide-by-ase/id1582601048/reviews)** |
| Number of ratings | 8 | **41** |
| Positive reviews | 66.7% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 22 MB | 96 MB |
| Requires iOS | **9.0** | 14.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [SonoSim, Inc.](https://appshunter.io/developer/1462648332) | [American Society of Echocardiography](https://appshunter.io/developer/421031128) |

## What reviewers say

### SonoSim

[App page](https://appshunter.io/ios/app/sonosim/id1462648333)

This app provides members with quick access to ultrasound education, imaging protocols, and reference guides, usable both online and offline. It features a library of courses, concise summaries of key concepts, and helpful tips for bedside use.

**Highlights:** Access to 80+ peer-reviewed courses, Concise key concept summaries, Bedside reference guides, Offline access to content, Case-based ultrasound education

**In-app purchases:** none


### EchoGuide by ASE

[App page](https://appshunter.io/ios/app/echoguide-by-ase/id1582601048)

This medical app offers over 50 calculators, algorithms, and charts based on key guidelines for cardiac care professionals. It allows users to favorite interactive tools for quick access to a wide range of echocardiography measurements and assessments.

**Highlights:** Over 50 calculators, algorithms, and charts, Based on ASE guidelines, Favorite interactive tools, Cardiac care reference, Echocardiography measurements

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

**In-app purchases:** none


## Frequently asked questions

### Is SonoSim free?

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

### Is EchoGuide by ASE free?

EchoGuide by ASE is free to download, with no in-app purchases.

### Which has better reviews, SonoSim or EchoGuide by ASE?

EchoGuide by ASE is rated higher. SonoSim averages 4.5 out of 5 from 8 ratings, while EchoGuide by ASE averages 4.7 from 41 ratings.

### Do SonoSim or EchoGuide by ASE have ads?

SonoSim shows ads; EchoGuide by ASE does not.

### Which is updated more often, SonoSim or EchoGuide by ASE?

SonoSim ships an update every 2 months, and EchoGuide by ASE monthly. Most recently, SonoSim was updated on October 8, 2026 and EchoGuide by ASE 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.*