# Radiology Toolbox Pro vs CTisus CT Quick Guides

The clearest difference is in-app purchases: CTisus CT Quick Guides at none against Radiology Toolbox Pro's 2. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Radiology Toolbox Pro sells 2 in-app purchases, starting at $1.99 per month. CTisus CT Quick Guides asks for nothing beyond the download.

Radiology Toolbox Pro holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 7 and 6 respectively.

Radiology Toolbox Pro ships an update every 4 months, CTisus CT Quick Guides every 6 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Radiology Toolbox Pro | CTisus CT Quick Guides |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/radiology-toolbox-pro/id466281848/reviews)** | [4.8 (6 ratings)](https://appshunter.io/ios/app/ctisus-ct-quick-guides/id6743173540/reviews) |
| Number of ratings | **7** | 6 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 52 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Softcode Systems, Inc.](https://appshunter.io/developer/415176376) | [Elliot Fishman](https://appshunter.io/developer/399024444) |

## What reviewers say

### Radiology Toolbox Pro

[App page](https://appshunter.io/ios/app/radiology-toolbox-pro/id466281848)

This medical reference app provides radiologists, technologists, and students with essential tools. It includes diagrams, calculators, and clinical decision support for various imaging modalities. An optional upgrade unlocks dozens of advanced diagnostic criteria and future updates.

**Highlights:** Radiology references and diagrams, Clinical decision support tools, Calculators for various modalities, CT, MR, US, NM, X-Ray criteria, Pro upgrade for advanced features, Regular updates with new tools

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $17.99 | per year |


### CTisus CT Quick Guides

[App page](https://appshunter.io/ios/app/ctisus-ct-quick-guides/id6743173540)

This medical reference app provides radiologists and other healthcare professionals with curated CT images, imaging pearls, and clinical findings across 17 diverse topics. Key information is organized into critical findings, etiology, epidemiology, presentation, and prognosis for each subject.

**Highlights:** Curated CT images, Imaging pearls, Clinical findings, 17 topic sections, Critical CT findings, Etiology, epidemiology, presentation, prognosis

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

**In-app purchases:** none


## Frequently asked questions

### Is Radiology Toolbox Pro free?

Radiology Toolbox Pro is free to download, with in-app purchases available.

### Is CTisus CT Quick Guides free?

CTisus CT Quick Guides is free to download, with no in-app purchases.

### Which has better reviews, Radiology Toolbox Pro or CTisus CT Quick Guides?

Radiology Toolbox Pro is rated higher. Radiology Toolbox Pro averages 5.0 out of 5 from 7 ratings, while CTisus CT Quick Guides averages 4.8 from 6 ratings.

### Do Radiology Toolbox Pro or CTisus CT Quick Guides have ads?

Neither Radiology Toolbox Pro nor CTisus CT Quick Guides shows ads.

### Which is updated more often, Radiology Toolbox Pro or CTisus CT Quick Guides?

Radiology Toolbox Pro ships an update every 4 months, and CTisus CT Quick Guides every 6 months. Most recently, Radiology Toolbox Pro was updated on October 23, 2026 and CTisus CT Quick Guides on October 25, 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.*