# MobileDDx™ Pocket DDx Tool vs VanderbiltDDx

The clearest difference is rating: VanderbiltDDx at 5.0 against MobileDDx™ Pocket DDx Tool's 4.4. VanderbiltDDx also leads on in-app purchases (none vs 1) and ads (none vs shown). MobileDDx™ Pocket DDx Tool's advantage is ratings volume (19 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. MobileDDx™ Pocket DDx Tool sells 1 one-off in-app purchase. VanderbiltDDx asks for nothing beyond the download.

VanderbiltDDx holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: MobileDDx™ Pocket DDx Tool has 19 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | MobileDDx™ Pocket DDx Tool | VanderbiltDDx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (19 ratings)](https://appshunter.io/ios/app/mobileddx-pocket-ddx-tool/id1076514957/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vanderbiltddx-case-simulator/id1484979647/reviews)** |
| Number of ratings | **19** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 28 MB |
| Requires iOS | **13.0** | 13.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) | [Vanderbilt University Medical Center](https://appshunter.io/developer/1114939673) |

## What reviewers say

### MobileDDx™ Pocket DDx Tool

[App page](https://appshunter.io/ios/app/mobileddx-pocket-ddx-tool/id1076514957)

This medical reference tool provides over 1,000 differential diagnoses for medicine and surgery. It allows users to explore conditions by organ system, symptoms, or diseases, and includes 1-year online access. Powerful search technology enables quick information retrieval without an internet connection after initial download.

**Highlights:** Over 1,000 differential diagnoses, Sign & Symptom index, Disease Index, Explore by organ system, symptoms, or diseases, SmartSearch technology, Offline access, 1-year online access with WebView

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MobileDDx™ Pocket DDx Tool | $4.99 | one-time |


### VanderbiltDDx

[App page](https://appshunter.io/ios/app/vanderbiltddx-case-simulator/id1484979647)

Practice and refine your diagnostic skills with realistic patient cases. This app generates logically consistent findings based on a vast knowledge base of disorders and their associated symptoms. It helps users identify hypotheses, assess evidence, and review disorder information for improved learning.

**Highlights:** Realistic patient case generation, Evidence-based knowledge base, Hypothesis testing and assessment, Performance evaluation, Disorder-related information review, Customizable difficulty levels

**In-app purchases:** none


## Frequently asked questions

### Is MobileDDx™ Pocket DDx Tool free?

MobileDDx™ Pocket DDx Tool is free to download, with in-app purchases available.

### Is VanderbiltDDx free?

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

### Which has better reviews, MobileDDx™ Pocket DDx Tool or VanderbiltDDx?

VanderbiltDDx is rated higher. MobileDDx™ Pocket DDx Tool averages 4.4 out of 5 from 19 ratings, while VanderbiltDDx averages 5.0 from 1 ratings.

### Do MobileDDx™ Pocket DDx Tool or VanderbiltDDx have ads?

MobileDDx™ Pocket DDx Tool shows ads; VanderbiltDDx 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.*