CT Registry Test Pro vs Rad Tech Audio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CT Registry Test Pro
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.
- 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
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**AMERICAN REGISTRY OF RADIOLOGIC TECHNOLIGISTS® and ARRT® are registered trademarks owned by The American Registry of Radiologic Technologists. This app is not licensed by, endorsed by, or affiliated with The American Registry of Radiologic Technologists.** If your goal is to become a Computed tomography (CT) technologist, you need to earn American registry of radiologic technologist® (ARRT®) credentials in Computed Tomography (CT). The purpose of ARRT® certification and registration in CT is to recognize individuals who are qualified to perform the role of CT technologist. The education requirements to earn the credential to become a CT technologist include being ARRT® certified, meeting the structured education requirement, and meeting the clinical experience. In the structure education requirement is where an applicant will master the discipline specific knowledge and cognitive skills you will need to obtain your credential. This app will help you to strength your foundation by testing your knowledge with over 900 questions in the ARRT® registry format. The ARRT® examination content consists of 165 question base in four major categories such as patient care, safety, image production, and procedures. In addition, to 20 unscored (pilot) questions. The ARRT® scoring scale range from 1 to 99, and you’ll need a total score of 75 to pass the exam. Features: A test section to test your knowledge in a random order, as similar as possible to the ARRT® examination. It allows user to know if the correct answer was selected and if not a pop-up button will appear with access to the correct answer's explanation. A notes section to allow you to study and prepare for the test. The different note’s categories allow you to study the area where you feel you need to strength your foundation. A Review Test question that allow user to go back and review the last test they took in each category to review the test. An All Question Section that allows the user to see all the questions with the answers. The questions can be adjusted by content category as listed in the ARRT®. A Statistics section that help the user to keep track of all the statistics such as general score, number of questions taken, number of tests taken, and much more. A protocols section that allows user to see a step by step guideline in how to perform the different types of protocols that are regularly done in a clinical setting. If you have any question or concern, please feel free to contact me via edunorth07@gmail.com, to find the best solution possible. I want to take this line to thank each of you that chooses to use my app, please take a moment to review the app and to let me know in which areas I can make any improvements. Thanks in advance for all the reviews and ideas of improvement. If you really like the app and you feel the app really help you to become a CT technologist, I will be more than happy and my goal will be achieved. Please feel free to share the app with family and friend so they can use it if they are getting ready for the CT examination. Email me via edunorth07@gmail.com if you have any question or ideas you like to see included.
Rad Tech Audio
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Kettering’s audio lectures for the Radiological Technology examination are designed to follow the current Study Guide published by Kettering National Seminars. Since 1979, Kettering National Seminars has been the leader in providing exceptional review programs for Allied Health students preparing for their Radiological Tech credentialing examinations.
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Verdict
The clearest difference is price: CT Registry Test Pro at Free against Rad Tech Audio's $84.99. CT Registry Test Pro also leads on update cadence (every 2 months vs every 39 months). Rad Tech Audio's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
CT Registry Test Pro is free to download; Rad Tech Audio costs $84.99 up front. CT Registry Test Pro sells 1 one-off in-app purchase. Rad Tech Audio asks for nothing beyond the download.
CT Registry Test Pro ships an update every 2 months, Rad Tech Audio every 39 months. The most recent releases landed on September 16, 2026 and September 11, 2026 respectively.
| Parameter | CT Registry Test Pro | Rad Tech Audio |
|---|---|---|
| Price | Free — better | $84.99 |
| Rating | 4.9 (181 ratings) — better | — |
| Positive reviews | 72.2% of reviews | — |
| Number of ratings | 181 — better | — |
| Update frequency | Every 2 months — better | Every 39 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | #191 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 93 MB | 214 MB |
| Age rating | 4+ | 17+ |
| Developer | Edunorth L.L.C. | RTS Publishing Co Inc |
In-app purchases
CT Registry Test Pro
- Access all the app features$39.99
Rad Tech Audio
No in-app purchases
Questions
Is CT Registry Test Pro free?
Is Rad Tech Audio free?
Do CT Registry Test Pro or Rad Tech Audio have ads?
Which is updated more often, CT Registry Test Pro or Rad Tech Audio?
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