# Diagnosaurus® DDx vs Surgerize

The clearest difference is in-app purchases: Surgerize at none against Diagnosaurus® DDx's 1. Surgerize also leads on iOS requirement (9.0 vs 15.0). Diagnosaurus® DDx's advantage is ratings volume (2.5K vs 2). On price, rating, ads and device support there is nothing between them.

Both are free to download. Diagnosaurus® DDx sells 1 one-off in-app purchase. Surgerize asks for nothing beyond the download.

Surgerize holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Diagnosaurus® DDx has 2.5K ratings behind it against 2, so its average is the more settled of the two.

## The numbers

| Metric | Diagnosaurus® DDx | Surgerize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (2.5K ratings)](https://appshunter.io/ios/app/diagnosaurus-ddx/id833728910/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/surgerize/id1475102174/reviews)** |
| Number of ratings | **2.5K** | 2 |
| Positive reviews | 53.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 19 MB | 16 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [SGR Publications, LLC](https://appshunter.io/developer/1475102173) |

## What reviewers say

### Diagnosaurus® DDx

[App page](https://appshunter.io/ios/app/diagnosaurus-ddx/id833728910)

This medical reference tool assists healthcare professionals in performing differential diagnoses quickly and confidently. It offers a searchable database of over 1,000 diagnoses, cross-referenced for related conditions, and allows users to save favorite entries and make custom notes.

**Highlights:** Over 1,000 differential diagnoses, Search by organ system, symptom, or disease, See Related DDx feature, Save favorite entries, Highlight and make custom notes, Universal Index Search

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diagnosaurus DDx | $4.99 | one-time |

**What reviewers like**

- 👍 User-friendly interface
- 🚀 Quick access to differential diagnoses
- 💡 Helpful for building differential diagnoses
- 👍 Comprehensive coverage of conditions
- 👍 Useful for medical students and practitioners

**What reviewers complain about**

- 🐛 Lack of in-depth information
- 🐛 Incomplete differential diagnoses
- 🐛 Lack of links to explain conditions
- 🐛 Requires in-app purchase to access full content
- 🐛 Unreliable update mechanism

**Reported bugs**

- Subscription issues and inability to restore purchases
- Blank pages and non-functional content
- Compatibility issues with newer iOS versions

**Requested features**

- Add ability to edit or add custom differential diagnoses
- Improve search functionality and navigation
- Provide more detailed information on conditions
- Integrate with other medical resources and databases
- Improve support for older devices and iOS versions


### Surgerize

[App page](https://appshunter.io/ios/app/surgerize/id1475102174)

This app provides medical education resources for surgical residents. It focuses on study materials to aid in understanding surgical procedures and concepts. Designed for efficient learning and knowledge retention.

**Highlights:** Surgical residency study materials, Medical education resources, Knowledge retention tools, Concept learning aid

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diagnosaurus® DDx free?

Diagnosaurus® DDx is free to download, with in-app purchases available.

### Is Surgerize free?

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

### Which has better reviews, Diagnosaurus® DDx or Surgerize?

Surgerize is rated higher. Diagnosaurus® DDx averages 4.8 out of 5 from 2.5K ratings, while Surgerize averages 5.0 from 2 ratings.

### Do Diagnosaurus® DDx or Surgerize have ads?

Neither Diagnosaurus® DDx nor Surgerize shows ads.

---

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