Comparison

Prepry vs X

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

Head to head
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.

About

X

Features
Read full description

This X-Rays Interpretation Guide for medical Students is a teaching and learning resource that offers students, junior doctors, trainee radiologists, radiographers, nurses, physiotherapists and nurse practitioners a basic understanding of the principles of x-ray radiograph in radiology. It provides a memorable way to analyze and present radiographs system as developed. This application explains how to recognize basic radiological signs, pathology and patterns associated with common medical conditions as seen on xray radiographs. This app presents each radiograph with clinical sign and symptoms, radiological finding, diagnosis, as well as spot diagnosis, such as: Lung opacities Lung consolidation Pnemothorax Cardiomegaly Emphysema Tuberclosis bronchiectasis lung cancer aspergilosis and other bones xray radiographs. App Content: Anatomy Review (Chest X-Ray) Chest X-Ray Quality Diagnostic Purpose How to Comment CXR Interpretation of Chest X-Ray Introduction - Chest X-Ray Radiology Mnemonics Systematic Approach Tracheal Pathology Lung Hilum Pathology Lung Fields Pathology Plueral Diseases Diaphragmatic Pathology Mediastinal Pathology Pathologies Of Heart Costophrenic Angle Soft Tissue Pathology Endo Tracheal Tube Bones Pathology Acromegaly Alveolar Cell Carcinoma Anterior Mediastinal Mass Asbestosis Aspergillosis Asymmetric Hilar Atelactesis Atrial Cardiomegaly Bilateral Hilar Bilateral Hilar Opacity Bronchiectesis Bronchopneumonia Cardiomegaly Chronic Obstructive Coin shadow or Common Lung Opacities Consolidation COPD Dextocardia Diaphragmatic Hernia Abnormalities of lung fields Abnormalities-Pathology Bronchiectasis CXR Differential Diagnosis Normal Hand X-Ray Pleural Diseases Skull X-Ray Dissecting Aortic Aneurysm Emphysma Gouty Arthritiis of hand Gynaecomastia Hamartoma Hemolytic Anemia Hydropneumothorax Hyperparathyrodism Isolated Dextrocardia Left Ventricular Failure Lung Abcses with Lung Absces Lung Cancer Lung Cavitation Lung Consolidation Lung Mass Lymphoma Mastectomy Miliary TB Multiple Lung Nodules Normal Heart Osteoarthritis Pancoast Tumor Pleural Effusion Plueral Fibrosis Pnemothorax-Tension Pneumonia - Right Middle Lobe Pneumonia + Pnemotecele Pneumoperitoneum Pneumothorax Pulmonary Edema Pulmonary Embolism Pulmonary Infarction Pulmonary Metastase Radiation Hilar Fibrosis Rhematoid Arthritis Right Upper Lobe Collapse Right Upper Lobes Collapse Sarcoidosis Scleroderma Septic Embolus Surgical Emphesyma Thoracic Aortic Aneurysm Tracheal Displacement Tuberclosis Unilateral Hilar Opacity Ventricular Aneurysm Chest PA View Chest Lateral View Anterio Posterio (AP) View Supine View AP Lardotic View Expiratory Chest View Chest Lateral Decubitus Lateral View of Sternum Oblique View of Sternum Rib AP View Rib AP Oblique View Rib PA View This app also includes chest x-ray cases with answers as well as abdominal x-ray cases with answers. App Features: 1. Dark mode 2. App content available for offline reading. No additional download is required. 3. You will be able to use this app on all of your other devices after you purchase it. For a free installation on a different device, just sign in with the same AppleID that you used to make the original purchase. Important Notice: Care has been taken to provide accurate information on this app in keeping with current xray teaching. It is intended only for use by individuals who are students or medical practitioners in the field. It is not intended to replace formal medical xray training. It is not intended for use by non-medical personnel. This information is provided for general medical education purposes only and is not meant to substitute for the independent medical judgement of a physician relative to diagnostic and treatment options of a specific patient's medical condition. In no event will the authors or editors or the developer of this app be liable for any decision made or action taken in reliance upon the information provided through this application.

Screenshots

Prepry4 screens
X4 screens

Verdict

The call

The clearest difference is price: Prepry at Free against X's $2.99. X's advantage is in-app purchases (none vs 5) and iOS requirement (13.0 vs 16.0). On 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

CostPrice · In-app purchases · Ads · Monetization

Prepry is free to download; X costs $2.99 up front. Prepry sells 5 in-app purchases, starting at $49.99 per month. X asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Prepry versus X: the parameters behind the verdict, then further details
ParameterPrepryX
PriceFree — better$2.99
Rating4.6 (248 ratings) — better—
Positive reviews88.9% of reviews—
Number of ratings248 — better—
Update frequencyEvery 5 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size168 MB121 MB
Age rating+412+
DeveloperImago AI LLCAbdulkarim Nasir

Bugs and 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

X

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
None

X

No in-app purchases

Questions

Is Prepry free?
Prepry is free to download, with in-app purchases available.
Is X free?
X costs $2.99, with no in-app purchases.
Do Prepry or X have ads?
Neither Prepry nor X shows ads.

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