# Diagnosaurus® DDx vs MedSync X

The clearest difference is in-app purchases: MedSync X at none against Diagnosaurus® DDx's 1. Diagnosaurus® DDx's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 18.0). On price and ads there is nothing between them.

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

## The numbers

| Metric | Diagnosaurus® DDx | MedSync X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.5K ratings)](https://appshunter.io/ios/app/diagnosaurus-ddx/id833728910/reviews)** | — |
| Number of ratings | **2.5K** | — |
| 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 | — |
| Size | 19 MB | 67 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [THAI EXCLUSIVE COMPANY LIMITED](https://appshunter.io/developer/1860615128) |

## 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


### MedSync X

[App page](https://appshunter.io/ios/app/medsync-x/id6769993393)

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

**In-app purchases:** none


## Frequently asked questions

### Is Diagnosaurus® DDx free?

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

### Is MedSync X free?

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

### Do Diagnosaurus® DDx or MedSync X have ads?

Neither Diagnosaurus® DDx nor MedSync X 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.*