# Differential Diagnosis Guide vs X

The clearest difference is price: Differential Diagnosis Guide at Free against X's $2.99. Differential Diagnosis Guide also leads on iOS requirement (8.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

Differential Diagnosis Guide is free to download; X costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Differential Diagnosis Guide | X |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.5 (23 ratings)](https://appshunter.io/ios/app/differential-diagnosis-guide/id523946690/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 48 MB | 121 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [RADIOLOGiQ, LLC](https://appshunter.io/developer/519524135) | [Abdulkarim Nasir](https://appshunter.io/developer/1463436050) |

## What reviewers say

### Differential Diagnosis Guide

[App page](https://appshunter.io/ios/app/differential-diagnosis-guide/id523946690)

This app helps medical professionals and students review differential diagnoses for chest CT findings. It offers a powerful search tool and curated lists to explore diseases and their common imaging presentations, complete with over 100 CT images.

**Highlights:** Review differential diagnoses for chest CT findings, Discover common CT imaging presentations, Search hundreds of diseases and imaging findings, Browse differential diagnosis lists by organ system, Includes over 100 curated CT images, Voice recognition search

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

**In-app purchases:** none


### X

[App page](https://appshunter.io/ios/app/x-ray-interpretation-guide/id6624306622)

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

**In-app purchases:** none


## Frequently asked questions

### Is Differential Diagnosis Guide free?

Differential Diagnosis Guide is free to download, with no in-app purchases.

### Is X free?

X costs $2.99, with no in-app purchases.

### Do Differential Diagnosis Guide or X have ads?

Neither Differential Diagnosis Guide nor 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.*