# CathSource vs Echo UW

The clearest difference is review sentiment: Echo UW at 100% against CathSource's 43%. Echo UW also leads on rating (5.0 vs 1.6) and monetization model (free vs paid). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Echo UW holds the better App Store score, 5.0 against 1.6. Both are backed by a comparable volume of ratings — 23 and 9 respectively. Written reviews point the same way: 43% of CathSource's written reviews are positive against 100% of Echo UW's.

## The numbers

| Metric | CathSource | Echo UW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (23 ratings)](https://appshunter.io/ios/app/cathsource/id420847275/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/echo-uw/id1287227138/reviews)** |
| Number of ratings | **23** | 9 |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | **Free** |
| Size | 79 MB | 65 MB |
| Requires iOS | 18.5 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [ECGsource LLC](https://appshunter.io/developer/377139096) | [University of Wisconsin-Madison Shared Apps](https://appshunter.io/developer/908478605) |

## What reviewers say

### CathSource

[App page](https://appshunter.io/ios/app/cathsource/id420847275)

A comprehensive medical reference focused on cardiac catheterization and angiography. It offers a searchable index of specialized topics, a database of videos of common and rare findings, and a collection of images including hemodynamic formulas and tables.

**Highlights:** Searchable index of cardiac catheterization topics, Database of coronary angiogram, ventriculogram, and aortogram videos, Image database with hemodynamic formulas and tables, Covers common and rare cardiovascular pathologies, Developed by practicing Interventional Cardiologists

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo UW

[App page](https://appshunter.io/ios/app/echo-uw/id1287227138)

This app offers step-by-step guidance for performing pediatric echocardiograms, using visuals and video clips. It serves as a training tool for sonographers, fellows, and cardiologists, and for anyone interested in learning the procedure.

**Highlights:** Step-by-step instructions, Video clips and images, Illustrations for learning, Four standard views covered, Protocol-based navigation, Detailed notes available

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

**In-app purchases:** none


## Frequently asked questions

### Is CathSource free?

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

### Is Echo UW free?

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

### Which has better reviews, CathSource or Echo UW?

Echo UW is rated higher. CathSource averages 1.6 out of 5 from 23 ratings, while Echo UW averages 5.0 from 9 ratings.

### Do CathSource or Echo UW have ads?

Neither CathSource nor Echo UW shows ads.

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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.*