# EchoGuide by ASE vs Sonolex

The clearest difference is update cadence: Sonolex at weekly against EchoGuide by ASE's monthly. EchoGuide by ASE's advantage is iOS requirement (14.2 vs 17.0). 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.

EchoGuide by ASE ships an update monthly, Sonolex weekly. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | EchoGuide by ASE | Sonolex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (41 ratings)](https://appshunter.io/ios/app/echoguide-by-ase/id1582601048/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 96 MB | 8 MB |
| Requires iOS | **14.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [American Society of Echocardiography](https://appshunter.io/developer/421031128) | [Shalinder Singh](https://appshunter.io/developer/6774460940) |

## What reviewers say

### 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


### Sonolex

[App page](https://appshunter.io/ios/app/sonolex/id6774460938)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EchoGuide by ASE free?

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

### Is Sonolex free?

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

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

Neither EchoGuide by ASE nor Sonolex shows ads.

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

EchoGuide by ASE ships an update monthly, and Sonolex weekly. Most recently, EchoGuide by ASE was updated on October 24, 2026 and Sonolex on October 8, 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.*