# MobileDDx™ Pocket DDx Tool vs Digi

The clearest difference is rating: MobileDDx™ Pocket DDx Tool at 4.4 against Digi's 3.7. MobileDDx™ Pocket DDx Tool also leads on ratings volume (19 vs 3). Digi's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment, 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. Digi asks for nothing beyond the download.

MobileDDx™ Pocket DDx Tool holds the better App Store score, 4.4 against 3.7. That said, the two scores are not equally well evidenced: MobileDDx™ Pocket DDx Tool has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

MobileDDx™ Pocket DDx Tool ships an update every 5 months, Digi every 2 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MobileDDx™ Pocket DDx Tool | Digi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (19 ratings)](https://appshunter.io/ios/app/mobileddx-pocket-ddx-tool/id1076514957/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/digi-ddx/id1571762764/reviews) |
| Number of ratings | **19** | 3 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 95 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Skyscape Medpresso Inc](https://appshunter.io/developer/818609416) | [OSF Healthcare System](https://appshunter.io/developer/1053621635) |

## 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 |


### Digi

[App page](https://appshunter.io/ios/app/digi-ddx/id1571762764)

Practice diagnostic reasoning with simulated patient cases. Make informed decisions on diagnostic tests and patient management, comparing your efficiency and cost to experienced clinicians. Learn from feedback and access relevant literature.

**Highlights:** Simulated patient cases, Diagnostic test selection, Patient management choices, Cost comparison to experts, Clinical feedback, Hyperlinks to literature

**Features:** macOS Compatibility

**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 Digi free?

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

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

MobileDDx™ Pocket DDx Tool is rated higher. MobileDDx™ Pocket DDx Tool averages 4.4 out of 5 from 19 ratings, while Digi averages 3.7 from 3 ratings.

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

MobileDDx™ Pocket DDx Tool shows ads; Digi does not.

### Which is updated more often, MobileDDx™ Pocket DDx Tool or Digi?

MobileDDx™ Pocket DDx Tool ships an update every 5 months, and Digi every 2 months. Most recently, MobileDDx™ Pocket DDx Tool was updated on October 24, 2026 and Digi on October 30, 2026.

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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.*