iRad Xrays vs Prepry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iRad Xrays
Explore radiographic positioning in 3D and augmented reality. This comprehensive atlas aids in learning and revision for board exams, featuring detailed 3D anatomy and X-ray parameters. It's a valuable teaching tool for universities and a revision aid for students.
- 3D and Augmented Reality radiography
- Radiographic Positioning Atlas
- 3D Radiographic Anatomy Atlas
- Xray Vision™
- Show Radiograph™
- Radiographic image evaluation and tips
- X-ray Parameters at a glance
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The most used Radiographic Positioning Atlas in the USA and Canada now in 3D and Augmented Reality (supported devices only) - Used as teaching aid in Universities. Use this positioning atlas as a revision tool for your board exams! or as teaching aid in your University using Augmented Reality. - More than 135 radiographic exams AND correlating anatomy all in 3D (in- app purchases) - 3D Radiographic Anatomy Atlas. - Xray Vision™: look through the patients body - Show Radiograph™: (see the corresponding radiograph - where available) - Search by anatomy, or radiographic exposure - Radiographic image evaluation and tips - All X-ray Parameters at a glance. - Universal app (runs natively on iPhone and iPad). *** High Resolution 3D model of Positioning with collimation reference! *** High Resolution X-rays with Radiographic Anatomy! *** Our Radiology Team consists of Consultant Radiologists and experienced Professors of Radiography (please refer to our website for details) *** iCat Solutions Ltd is the leading Radiology Software Company with the most complete Radiological series of apps in the AppStore! With dedicated scientific teams to support ALL fields in Radiology and with the best software engineers we provide a wide range of iPhone and iPad apps for Computed Tomography, MRI, General Radiology and Neuroradiology. visit us at: www.icat.solutions follow us on twitter @iCatSoftware - US/EU Patent Pending -
Prepry
Prepare for your ARRT® Radiography exam with a comprehensive study tool. It offers a large question bank, adaptive learning, and customizable practice tests to enhance retention and track progress. Study online or offline to master radiographic principles for a successful career.
- Extensive question bank
- Adaptive learning with spaced repetition
- Customizable practice tests
- Progress tracking and analytics
- Offline study capabilities
- Detailed imaging and anatomy visuals
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Pass your ARRT® Radiography exam. 100,000+ students trust Prepry to pass their board exams and earn their credentials. Content written or reviewed by R.T.(R)(ARRT)® and R.T.(R)(CT)(ARRT)® educators and radiologists. 2,175+ practice questions. 475+ diagnostic images. AI-powered study tools. Spaced repetition. Mock exams. Earn your R.T.(R)(ARRT)® or R.T.(R)(CT)(ARRT)® credential. QUESTION BANK (2,175+ Questions) • ARRT® Radiography exam: 1,550 • ARRT® Computed Tomography (CT) exam: 625 Detailed explanations for every answer. Answer distribution charts show how others answered. 475+ DIAGNOSTIC IMAGES X-ray anatomy, pathology, positioning, and CT imaging across every topic. AI-POWERED STUDY TOOLS • AI Explanations: Instant AI breakdowns of any question. • AI Readiness Score: Analyzes your coverage, mock scores, mastery, and weak areas to estimate your exam readiness. STUDY MODES • Timed Mock Exams: Simulate the ARRT® registry exam format and timing. • Quiz Builder: Custom exams by chapter, topic, or difficulty. • Flashcards with spaced repetition scheduling. • Study Blocks for focused review sessions. • Free Question of the Day and Quick 10 quizzes. TRACK YOUR PROGRESS • Readiness score, weak area identification, chapter-by-chapter breakdown. • Exam countdown, study reminders, daily goals. • Streaks, badges, XP, and leaderboards. STUDY PLANNER Personalized day-by-day schedule based on your exam date with question targets, mock exam days, and days off. PASS GUARANTEE Did not pass? Get 3 extra months free. • Dark mode. Offline access. • Notes linked to questions and explanations. • Educator portal with cohort management, assignments, and analytics. Subscriptions can be managed and auto-renewal turned off in App Store Settings after purchase. Refunds will not be provided for any unused portion of the term. - https://www.prepry.com/privacy-policy - https://www.prepry.com/terms-of-service - https://www.prepry.com/disclaimer ARRT® and THE AMERICAN REGISTRY OF RADIOLOGIC TECHNOLOGISTS® are registered trademarks of The American Registry of Radiologic Technologists, which has not been involved in the development of our products, does not have an affiliation with this app, and does not endorse our content. R.T.®, R.T.(R)(ARRT)®, and R.T.(R)(CT)(ARRT)® are certification marks of The American Registry of Radiologic Technologists. Ownership of all trademarks mentioned belongs to their respective holders. Prepry covers patient care, safety, image production, imaging procedures, equipment operation, quality control, radiation protection, and radiographic anatomy and positioning for the ARRT® Radiography and CT certification exams. For radiography students, rad tech program graduates, and working radiologic technologists pursuing R.T.(R)(ARRT)® or R.T.(R)(CT)(ARRT)® credentials. Not for clinical use or medical advice.
Screenshots
Verdict
iRad Xrays and Prepry both sit at 4.7 stars, but that hides the real split: 89% of Prepry's written reviews are positive against 47% of iRad Xrays's. Prepry also leads on update cadence (every 5 days vs every 2 months). iRad Xrays's advantage is monetization model (free with in-app purchases vs subscription) and chart position (#158 vs unranked). On price, rating, ratings volume and ads 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
Both are free to download. iRad Xrays sells 1 in-app purchase, starting at $15.99 per year and Prepry sells 5 in-app purchases, starting at $49.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for iRad Xrays against 4.6 for Prepry. Both are backed by a comparable volume of ratings — 339 and 248 respectively. Written reviews are what separate them: 47% of iRad Xrays's written reviews are positive against 89% of Prepry's.
iRad Xrays ships an update every 2 months, Prepry every 5 days. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.
| Parameter | iRad Xrays | Prepry |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (339 ratings) — better | 4.6 (248 ratings) |
| Positive reviews | 47.1% of reviews | 88.9% of reviews — better |
| Number of ratings | 339 — better | 248 |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Best chart rank | #158 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 238 MB | 168 MB |
| Age rating | 17+ | +4 |
| Developer | MEDIWARE CY LTD | Imago AI LLC |
Customer experience
iRad Xrays
Prepry
In-app purchases
iRad Xrays
- iRad Xrays Yearly Subscription3 Days trial$15.991 Year
Prepry
- Prepry Monthly$49.991 Month
- Prepry Quarterly$149.993 Months
- Prepry 6 Months$179.996 Months
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- Prepry Annual$199.991 Year
- Prepry Lifetime$399.99






