# Echo UW vs Congenital Calculator

The clearest difference is rating: Congenital Calculator at 5.0 against Echo UW's 4.6. Echo UW's advantage is ratings volume (10 vs 2) and iOS requirement (8.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Congenital Calculator holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Echo UW has 10 ratings behind it against 2, so its average is the more settled of the two.

## The numbers

| Metric | Echo UW | Congenital Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (10 ratings)](https://appshunter.io/ios/app/echo-uw/id1287227138/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/congenital-calculator/id6770282687/reviews)** |
| Number of ratings | **10** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | Free |
| Size | 65 MB | 27 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [University of Wisconsin-Madison Shared Apps](https://appshunter.io/developer/908478605) | [Subhrajit Lahiri](https://appshunter.io/developer/1896730286) |

## What reviewers say

### 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


### Congenital Calculator

[App page](https://appshunter.io/ios/app/congenital-calculator/id6770282687)

This professional cardiac hemodynamic calculator assists pediatric cardiologists and congenital heart disease specialists. It computes pulmonary and systemic blood flow, vascular resistance, and shunt fractions using the Fick principle during cardiac catheterization. The app generates comprehensive PDF reports for patient data and results.

**Highlights:** Pulmonary and systemic blood flow calculation, Vascular resistance calculation, Shunt fraction calculation, Mixed venous saturation, VO₂ estimation, Shunt detection warning, PDF report generation

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

**In-app purchases:** none


## Frequently asked questions

### Is Echo UW free?

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

### Is Congenital Calculator free?

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

### Which has better reviews, Echo UW or Congenital Calculator?

Congenital Calculator is rated higher. Echo UW averages 4.6 out of 5 from 10 ratings, while Congenital Calculator averages 5.0 from 2 ratings.

### Do Echo UW or Congenital Calculator have ads?

Neither Echo UW nor Congenital Calculator shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*