# EchoRef vs EVD educational toolkit

The clearest difference is ratings volume: EchoRef at 1.4K against EVD educational toolkit's 5. EVD educational toolkit's advantage is iOS requirement (18.5 vs 26.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.9 for EchoRef against 5.0 for EVD educational toolkit. That said, the two scores are not equally well evidenced: EchoRef has 1.4K ratings behind it against 5, so its average is the more settled of the two.

## The numbers

| Metric | EchoRef | EVD educational toolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.4K ratings)](https://appshunter.io/ios/app/echoref/id1434016053/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/evd-educational-toolkit/id6815858473/reviews)** |
| Number of ratings | **1.4K** | 5 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | Free |
| Size | 104 MB | 21 MB |
| Requires iOS | 26.0 | **18.5** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Rishi Kumar](https://appshunter.io/developer/1434016052) | [University Of Washington](https://appshunter.io/developer/328228464) |

## What reviewers say

### EchoRef

[App page](https://appshunter.io/ios/app/echoref/id1434016053)

This educational reference app provides comprehensive information on point-of-care ultrasound (POCUS), echocardiography, and cardiac measurements. It includes lessons on interventional procedures and hemodynamic calculations for medical professionals.

**Highlights:** Point-of-care ultrasound (POCUS), Transthoracic echocardiography (TTE), Transesophageal echocardiography (TEE), Cardiac dimensions and valve measurements, Hemodynamic and ultrasound calculations, Interventional procedure lessons

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

**In-app purchases:** none


### EVD educational toolkit

[App page](https://appshunter.io/ios/app/evd-educational-toolkit/id6815858473)

This medical reference app provides comprehensive information on external ventricular drains (EVDs) and intracranial pressure (ICP) monitoring. It's designed for neuro-ICU and neuroanesthesia teams, nurses, and trainees, offering insights into setup, waveforms, imaging, and best practices.

**Highlights:** EVD definition, indications, and epidemiology, EVD setup and drainage settings, ICP waveform analysis, CT imaging examples, Transport and MRI safety checklists, Best practices and clinical pearls, EVD device photo library

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

**In-app purchases:** none


## Frequently asked questions

### Is EchoRef free?

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

### Is EVD educational toolkit free?

EVD educational toolkit is free to download, with no in-app purchases.

### Which has better reviews, EchoRef or EVD educational toolkit?

EVD educational toolkit is rated higher. EchoRef averages 4.9 out of 5 from 1.4K ratings, while EVD educational toolkit averages 5.0 from 5 ratings.

### Do EchoRef or EVD educational toolkit have ads?

Neither EchoRef nor EVD educational toolkit 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.*