Comparison

iRad Xrays vs Prepry

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Currently charting
Read full description

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 -

About

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.

Highlights
  • Extensive question bank
  • Adaptive learning with spaced repetition
  • Customizable practice tests
  • Progress tracking and analytics
  • Offline study capabilities
  • Detailed imaging and anatomy visuals
Features
Read full description

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

iRad Xrays4 screens
Prepry4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 7 level
iRad Xrays versus Prepry: the parameters behind the verdict, then further details
ParameteriRad XraysPrepry
PriceFreeFree
Rating4.7 (339 ratings) — better4.6 (248 ratings)
Positive reviews47.1% of reviews88.9% of reviews — better
Number of ratings339 — better248
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
Best chart rank#158 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size238 MB168 MB
Age rating17++4
DeveloperMEDIWARE CY LTDImago AI LLC

Customer experience

iRad Xrays

All ratings339 ratings
Positive91.7%
Neutral3.8%
Negative4.4%
Written reviews34 reviews
Positive47.1%
Neutral11.8%
Negative41.2%

Prepry

All ratings248 ratings
Positive90.3%
Neutral2.4%
Negative7.3%
Written reviews27 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

In-app purchases

1 purchases

iRad Xrays

Subscriptions1
  • iRad Xrays Yearly Subscription3 Days trial$15.991 Year
5 purchases

Prepry

Subscriptions4
  • Prepry Monthly$49.991 Month
  • Prepry Quarterly$149.993 Months
  • Prepry 6 Months$179.996 Months
Show 1 more
  • Prepry Annual$199.991 Year
One-time1
  • Prepry Lifetime$399.99

Questions

Is iRad Xrays free?
iRad Xrays is free to download, with in-app purchases available.
Is Prepry free?
Prepry is free to download, with in-app purchases available.
Which has better reviews, iRad Xrays or Prepry?
iRad Xrays is rated higher. iRad Xrays averages 4.7 out of 5 from 339 ratings, while Prepry averages 4.6 from 248 ratings.
Do iRad Xrays or Prepry have ads?
Neither iRad Xrays nor Prepry shows ads.
Which is updated more often, iRad Xrays or Prepry?
iRad Xrays ships an update every 2 months, and Prepry every 5 days. Most recently, iRad Xrays was updated on September 24, 2026 and Prepry on September 20, 2026.

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