# DeviceAID vs Echodex

The clearest difference is price: DeviceAID at Free against Echodex's $0.99. Echodex's advantage is ads (none vs shown) and iOS requirement (15.0 vs 18.0). On in-app purchases and device support there is nothing between them.

DeviceAID is free to download; Echodex costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | DeviceAID | Echodex |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/echodex-tte-reference-guide/id6797169420/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | — |
| Monetization | — | Free |
| Size | 60 MB | 2 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Cardiology Apps LLC](https://appshunter.io/developer/1639925847) | [Robert Burgese](https://appshunter.io/developer/6792183243) |

## What reviewers say

### DeviceAID

[App page](https://appshunter.io/ios/app/deviceaid/id6449780080)

**Features:** macOS Compatibility

**In-app purchases:** none


### Echodex

[App page](https://appshunter.io/ios/app/echodex-tte-reference-guide/id6797169420)

This medical reference app provides quick access to echocardiography normal values, organized by category and color-coded for easy understanding. It's designed for clinicians and trainees to reference essential data offline, with all values fully cited from major guidelines.

**Highlights:** Color-coded reference sections, Severity ramps for quick assessment, Starred cards for quick access, Offline functionality, Full citation of all values, Light and dark themes

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

**In-app purchases:** none


## Frequently asked questions

### Is DeviceAID free?

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

### Is Echodex free?

Echodex costs $0.99, with no in-app purchases.

### Do DeviceAID or Echodex have ads?

DeviceAID shows ads; Echodex does not.

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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.*