iRadTech vs Prepry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iRadTech
This app provides detailed instructions and technical factors for over 200 radiographic positions, serving as a comprehensive guide for medical imaging professionals and students. It includes representative images, positioning details, and helpful notes, designed to align with ARRT content specifications and ASRT curriculum.
- 200+ radiographic positions
- Technical factors and settings
- Patient and part positioning
- Representative radiographic images
- Enlargeable positioning photographs
- Search and save functions
- ARRT content alignment
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Radiographic Positioning Guide for Medical Imaging Professionals and Students Meets latest Apple requirements. Similar to x-ray pocket guide or reference booklet. Detailed instructions for more than 200 radiographic positions: 1. technical factors 2. image receptor size and orientation 3. patient and part positioning 4. respiration instructions 5. central ray entrance/exit points and angulation 6. image quality points 7. structures demonstrated Suggested digital imaging systems technical factor settings added for all positions (except nephrotomography) Representative radiographic image which can be enlarged for closer inspection. Enlargeable photograph of properly positioned human model showing the correctly collimated area of interest with the central ray entry point. A helpful NOTE tab for every position; save techniques, special terms, or other helpful information. Search function finds search term in position titles and/or instructions. My Routines function allows grouping of selected positions into a saved routine. My Notes function allows saving notes not related to a position. Developed using the ARRT Content Specifications to include nearly all ARRT entry-level radiographic positions. - “OPTIONAL” positions are included which may be ordered in clinical practice. These OPTIONAL positions are judged by the authors and other educational colleagues as handy references, but are not listed on the ARRT Radiography Content. Instructions referenced to the most recent ASRT Radiography Curriculum and national positioning texts. Written and edited by 2 Ph.D. radiography educators, each with more than 30 years of teaching experience. A convenient guide to positioning the patient and a valuable study aid for radiography students. A great reference and review tool for technologists and clinical instructors.
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
The clearest difference is price: Prepry at Free against iRadTech's $24.99. Prepry also leads on update cadence (every 5 days vs every 8 months) and ratings volume (248 vs 53). iRadTech's advantage is in-app purchases (none vs 5) and chart position (#21 vs unranked). On rating, review sentiment, ads and device support 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
Prepry is free to download; iRadTech costs $24.99 up front. Prepry sells 5 in-app purchases, starting at $49.99 per month. iRadTech asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for iRadTech against 4.6 for Prepry. Both are backed by a comparable volume of ratings — 53 and 248 respectively. Written reviews are what separate them: 86% of iRadTech's written reviews are positive against 89% of Prepry's.
iRadTech ships an update every 8 months, Prepry every 5 days. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.
| Parameter | iRadTech | Prepry |
|---|---|---|
| Price | $24.99 | Free — better |
| Rating | 4.6 (53 ratings) | 4.6 (248 ratings) |
| Positive reviews | 85.5% of reviews | 88.9% of reviews — better |
| Number of ratings | 53 | 248 — better |
| Update frequency | Every 8 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid — better | Subscription |
| Best chart rank | #21 — better | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 122 MB | 168 MB |
| Age rating | 12+ | +4 |
| Developer | Ballinger and Bruckner, LLP | Imago AI LLC |
Customer experience
iRadTech
Prepry
In-app purchases
iRadTech
No in-app purchases
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









