# CT Registry Test Pro vs Radiologic Technologist Exam

The clearest difference is review sentiment: CT Registry Test Pro at 72% against Radiologic Technologist Exam's 0%. CT Registry Test Pro also leads on rating (4.9 vs 4.6) and ratings volume (215 vs 37). Radiologic Technologist Exam's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. CT Registry Test Pro sells 1 one-off in-app purchase and Radiologic Technologist Exam sells 9 in-app purchases, starting at $14.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CT Registry Test Pro holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: CT Registry Test Pro has 215 ratings behind it against 37, so its average is the more settled of the two. Written reviews point the same way: 72% of CT Registry Test Pro's written reviews are positive against 0% of Radiologic Technologist Exam's.

CT Registry Test Pro ships an update every 2 months, Radiologic Technologist Exam every 4 months. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CT Registry Test Pro | Radiologic Technologist Exam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (215 ratings)](https://appshunter.io/ios/app/ct-registry-test-pro/id1518808012/reviews)** | [4.6 (37 ratings)](https://appshunter.io/ios/app/radiologic-technologist-exam/id6739476450/reviews) |
| Number of ratings | **215** | 37 |
| Positive reviews | **72.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 93 MB | 65 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Edunorth L.L.C.](https://appshunter.io/developer/1496084172) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## 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 |


### Radiologic Technologist Exam

[App page](https://appshunter.io/ios/app/radiologic-technologist-exam/id6739476450)

Prepare for the ARRT certification exam with a comprehensive study companion. Access thousands of practice questions, detailed explanations, and exam simulations to track your progress and customize your study plans.

**Highlights:** Extensive question bank, Detailed explanations, Exam simulation modes, Progress tracking, Customizable study plans, Intuitive interface

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ARRT Weekly Full Access | $14.99 | per 7 days |
| ARRT Monthly Full Access | $34.99 | per month |
| ARRT Monthly Full Access | $34.99 | per month |
| ARRT Quarterly Full Access | $55.99 | per 3 months |
| ARRT Quarterly Full Access | $59.99 | per 3 months |
| ARRT Semiannual Full Access | $75.99 | per 6 months |
| ARRT Semiannual Full Access | $79.99 | per 6 months |
| ARRT Annual Full Access | $109.99 | per year |
| ARRT Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is CT Registry Test Pro free?

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

### Is Radiologic Technologist Exam free?

Radiologic Technologist Exam is free to download, with in-app purchases available.

### Which has better reviews, CT Registry Test Pro or Radiologic Technologist Exam?

CT Registry Test Pro is rated higher. CT Registry Test Pro averages 4.9 out of 5 from 215 ratings, while Radiologic Technologist Exam averages 4.6 from 37 ratings.

### Do CT Registry Test Pro or Radiologic Technologist Exam have ads?

CT Registry Test Pro shows ads; Radiologic Technologist Exam does not.

### Which is updated more often, CT Registry Test Pro or Radiologic Technologist Exam?

CT Registry Test Pro ships an update every 2 months, and Radiologic Technologist Exam every 4 months. Most recently, CT Registry Test Pro was updated on November 11, 2026 and Radiologic Technologist Exam on October 31, 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.*