iRadTech HD vs Prepry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iRadTech HD
A radiographic positioning guide for medical imaging professionals and students. It offers detailed instructions, image quality points, and technical factors for various positions, with an initial free version and an in-app purchase to unlock full content.
- Radiographic positioning guide
- Detailed instructions
- Image quality points
- Suggested technical factors
- Expandable images and radiographs
- Notes panel for each position
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iRadTech HD for the iPad iRadTech HD is a radiographic positioning guide for medical imaging professionals and students. It is designed for use on iPads where the Menu, Instructions and Note panels appear simultaneously in landscape orientation. The initial download is a locked version containing 6 free positions allowing the user to evaluate the app. By clicking on a position name showing a lock icon you will be prompted to unlock the app with an In-app purchase. Honestly, the developer, RadTech Resource Group, encourages you to consider buying iRadTech instead of this iRadTech HD because iRadTech has more features, namely Search, My Notes and My Routines. Get iRadTechLite for FREE to see these features. If iRadTech is not shown in the store on your iPad, select Filters, Supports, iPhone. iRadTech HD v4.1 includes: •6 free Radiographic positions with 200+ once unlocked. •Detailed positioning instructions, image quality points and structures demonstrated - Now also includes suggested technical factors (for digital imaging systems) •Expandable positioning images. •Expandable radiographs. •A Notes panel where you can create and edit separate notes for each position Positioning instructions subheadings: •Technical factors •Image receptor •Position of patient •Position of body part •Breathing instructions •Central ray placement and angle •Image quality points •Structures demonstrated If you have any questions or concerns please feel free to email us at info@iradtech.com. You may visit our website at www.iRadTech.com.
Prepry
Prepare for radiography and CT registry exams with comprehensive practice tests, detailed explanations, and AI-powered readiness scores. Master weak areas with spaced repetition and access a positioning guide and clinical tracking tools. Study daily with engaging features designed for effective learning.
- Timed mock exams
- Question bank with 2,700+ questions
- X-ray positioning guide
- Challenge mode for recall
- Clinical tracking
- AI readiness score
- Spaced repetition
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Prepry is radiography and CT registry review for rad tech students, built so you want to study every day. 30,000+ radiography students have studied with Prepry for their ARRT® Radiography and CT exams. Content is created and taught by registered radiography educators, R.T.(R)(ARRT)® and R.T.(R)(CT)(ARRT)®, with technology adapting it to you. Real educators write the content. Take timed mock exams, see exactly where you are weak, and drill those areas until your readiness score says you are ready. Missed questions come back on a spaced repetition schedule until you master them. NEW: X-RAY POSITIONING GUIDE A radiographic positioning library inside the app, organized by body region from chest and thorax to the extremities. Step by step positioning for each projection, with collimation and the expected radiograph, right next to your practice questions. NEW: CHALLENGE MODE Questions appear without the answer choices, so you recall the answer from memory instead of recognizing it. Not sure? Work through the options one at a time and eliminate the wrong ones, just like on exam day. NEW: CLINICAL Track clinicals. Clock in and out, see weekly hours, log each exam in seconds, and follow your skills progress, with protocols and measurement references one tap away. MOCK EXAMS AND READINESS • Timed Mock Exams: full length practice tests that follow the ARRT® registry exam format and timing. • NEW Exam Simulator: a locked screen layout modeled on the test center, so exam day feels familiar. • Weak area identification and chapter by chapter breakdown after every mock. • NEW Score Trends: see your scores climb. • AI Readiness Score: tells you when you are exam ready. • Study Planner: a day by day schedule built from your exam date. QUESTION BANK (2,700+ Questions) • ARRT® Radiography exam: 2,085+ • ARRT® Computed Tomography (CT) exam: 625+ for CT registry review Covers patient care, safety, radiation protection, image production, equipment operation, quality control, imaging procedures, and radiographic anatomy and positioning. Step by step explanations for every answer. 475+ DIAGNOSTIC IMAGES X-ray anatomy, pathology, positioning, and CT imaging across every topic. BUILT FOR DAILY STUDY • Streaks that keep you on track, plus exam countdown, study reminders, and daily goals. • Flashcards with spaced repetition scheduling. • Quiz Builder: custom quizzes in seconds by chapter, topic, or difficulty. • Free Question of the Day and Quick 10 quizzes. • Study Blocks for focused review sessions. • Badges and XP. AI STUDY TOOLS • AI Explanations: instant breakdowns of any question. PASS GUARANTEE Did not pass? Get 3 extra months free. MORE • Dark mode and offline access. Also on Android and web (app.prepry.com). • Notes linked to questions and explanations. • Educator portal with cohort management, assignments, and analytics. For radiography students, rad tech program graduates, and working radiologic technologists pursuing R.T.(R)(ARRT)® or R.T.(R)(CT)(ARRT)® credentials, including CT registry prep. Not for clinical use or medical advice. 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.
Screenshots
Verdict
The clearest difference is rating: Prepry at 4.6 against iRadTech HD's 3.3. Prepry also leads on review sentiment (89% vs 50%) and update cadence (fortnightly vs every 19 months). iRadTech HD's advantage is iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and monetization model 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. iRadTech HD sells 1 one-off in-app purchase 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.
Prepry holds the better App Store score, 4.6 against 3.3. That said, the two scores are not equally well evidenced: Prepry has 253 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 50% of iRadTech HD's written reviews are positive against 89% of Prepry's.
iRadTech HD ships an update every 19 months, Prepry fortnightly. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.
| Parameter | iRadTech HD | Prepry |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (4 ratings) | 4.6 (253 ratings) — better |
| Positive reviews | 50.0% of reviews | 88.9% of reviews — better |
| Number of ratings | 4 | 253 — better |
| Update frequency | Every 19 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 120 MB | 175 MB |
| Age rating | 12+ | 4+ |
| Developer | Ballinger and Bruckner, LLP | Imago AI LLC |
Customer experience
iRadTech HD
Prepry
Bugs and requests
iRadTech HD
Not enough reviews yet to summarise bugs or requests.
Prepry
Reported bugs
2 issues- Image review progress resets
- Some bugs present
Requested features
3 requests- Save progress during image review tool
- Add French language option
- Make all features usable without paying
In-app purchases
iRadTech HD
- iRadTech HD unlock exams$24.99
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
Questions
Is iRadTech HD free?
Is Prepry free?
Which has better reviews, iRadTech HD or Prepry?
Do iRadTech HD or Prepry have ads?
Which is updated more often, iRadTech HD or Prepry?
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