# CT Registry Test Pro vs Philips DXR Learning

The clearest difference is in-app purchases: Philips DXR Learning at none against CT Registry Test Pro's 1. Philips DXR Learning also leads on ads (none vs shown). CT Registry Test Pro's advantage is ratings volume (214 vs 1) and update cadence (every 2 months vs every 5 months). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. CT Registry Test Pro sells 1 one-off in-app purchase. Philips DXR Learning asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for CT Registry Test Pro against 5.0 for Philips DXR Learning. That said, the two scores are not equally well evidenced: CT Registry Test Pro has 214 ratings behind it against 1, so its average is the more settled of the two.

CT Registry Test Pro ships an update every 2 months, Philips DXR Learning every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CT Registry Test Pro | Philips DXR Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (214 ratings)](https://appshunter.io/ios/app/ct-registry-test-pro/id1518808012/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/philips-dxr-learning/id6748645062/reviews)** |
| Number of ratings | **214** | 1 |
| Positive reviews | 72.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 93 MB | 19 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Edunorth L.L.C.](https://appshunter.io/developer/1496084172) | [Philips Electronics North America Corporation](https://appshunter.io/developer/479329238) |

## What reviewers say

### CT Registry Test Pro

[App page](https://appshunter.io/ios/app/ct-registry-test-pro/id1518808012)

Prepare for your ARRT® Computed Tomography (CT) technologist certification exam with over 900 practice questions. Test your knowledge across key categories, review explanations, track your progress, and study protocols to strengthen your foundation.

**Highlights:** Over 900 practice questions, ARRT® registry format testing, Detailed answer explanations, Study notes section, Review previous tests, All questions with answers, Statistics tracking, CT protocol guidelines

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access all the app features | $39.99 | one-time |


### Philips DXR Learning

[App page](https://appshunter.io/ios/app/philips-dxr-learning/id6748645062)

Access educational content on Philips DXR solutions. This app offers videos, documents, and interactive modules to help users understand and utilize DXR systems and tools effectively.

**Highlights:** Video tutorials, Document library, Interactive learning modules, Support links, Quick access to information

**In-app purchases:** none


## Frequently asked questions

### Is CT Registry Test Pro free?

CT Registry Test Pro is free to download, with in-app purchases available.

### Is Philips DXR Learning free?

Philips DXR Learning is free to download, with no in-app purchases.

### Which has better reviews, CT Registry Test Pro or Philips DXR Learning?

Philips DXR Learning is rated higher. CT Registry Test Pro averages 4.9 out of 5 from 214 ratings, while Philips DXR Learning averages 5.0 from 1 ratings.

### Do CT Registry Test Pro or Philips DXR Learning have ads?

CT Registry Test Pro shows ads; Philips DXR Learning does not.

### Which is updated more often, CT Registry Test Pro or Philips DXR Learning?

CT Registry Test Pro ships an update every 2 months, and Philips DXR Learning every 5 months. Most recently, CT Registry Test Pro was updated on November 3, 2026 and Philips DXR Learning 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.*