Comparison

Radiologic Technologist Exam vs Rad Index

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

Head to head
About

Radiologic Technologist Exam

Prepare for the ARRT certification exam with a comprehensive study companion. Access thousands of practice questions, detailed explanations, and exam simulations to track your progress and customize your study plans.

Highlights
  • Extensive question bank
  • Detailed explanations
  • Exam simulation modes
  • Progress tracking
  • Customizable study plans
  • Intuitive interface
Features
Read full description

Are you ready to take the next step toward becoming a certified radiologic technologist? Prepare with confidence using the Radiologic Technologist Exam app, your comprehensive study companion for the ARRT exam! This powerful mobile application is designed to help you master the knowledge and skills needed to succeed on the certification test. With extensive features, the app equips you with the tools and resources to feel fully prepared and confident on exam day. Key Features: - Extensive Question Bank: Access thousands of practice questions covering all major topics tested on the ARRT exam, closely mirroring the actual test format. - Detailed Explanations: Each practice question includes thorough explanations, helping you understand the reasoning behind the correct answers. - Exam Simulation Modes: Experience multiple practice modes, including timed exams, to assess your readiness and identify knowledge gaps. - Progress Tracking: Monitor your performance with detailed statistics and analytics, allowing you to track improvement over time. - Customizable Study Plans: Create personalized study plans by selecting specific topics or question categories to focus on. - Clean, Intuitive Interface: Navigate easily with a modern layout that enhances your learning experience. - Frequent Updates: Regular updates ensure that the content aligns with the latest exam standards and requirements. Why Choose Our App? Our app is tailored to fit your busy lifestyle, making effective preparation easy. Whether you’re a first-time test taker or refreshing your knowledge, our app will equip you with the skills and confidence needed to pass the exam. Don’t leave your success to chance. Download our app today and embark on your journey to becoming a certified radiologic technologist. We’re here to provide the support and resources you need to excel in your exam and launch your rewarding career. Please Note: This app is not affiliated with, endorsed by, or associated with ARRT or any of their respective trademarks. All product names are trademarks™ or registered® trademarks of their respective holders. This app is an independent resource created to assist individuals in preparing for the ARRT certification exam. The content provided is for educational purposes only and is not an official study guide or endorsed material from ARRT. You can find more information about our Products and Premium subscription here: Terms of Use - https://examprep.help/terms.html Privacy Policy - https://examprep.help/policy.html

About

Rad Index

Features
Read full description

Radiographic positioning reference app for Radiographers, Radiologic Technologists and Radiography students. 147 clinical projection cards with separate DR and CR technical parameters, calculators, spaced repetition flashcards and ALARA checklist — all offline. Built by a practicing Radiographer (TSRM). Clinical content peer-reviewed twice. Available in Italian, English and Spanish. —————————————————————————————— RADIOGRAPHIC PROJECTIONS —————————————————————————————— 147 cards across 8 anatomical regions: • Chest — PA, lateral, obliques, trauma variants (cross-table, supine) • Skull — PA, lateral, Waters, Caldwell, Towne, skull base, mastoids, orbits, sinuses • Spine — cervical, thoracic, lumbar, sacrum, coccyx; trauma and stretcher variants • Upper limb — fingers, hand, wrist, forearm, elbow, humerus, shoulder, clavicle, sternum, scapula • Lower limb — toes, foot, calcaneus, ankle, tibia/fibula, knee, femur, hip, pelvis, patella • Abdomen — supine, erect, decubitus • Pelvis — AP, oblique projections • Long bone stitching — full spine, full limb Each card: patient positioning, centering point, separate DR and CR parameters, image quality criteria, common errors, practical clinical notes. Collapsible DR/CR/PSP guide with Deviation Index (DI) formula and grid frequency table. —————————————————————————————— STUDY & REVIEW —————————————————————————————— • Flashcards with spaced repetition • 3 cards per projection: centering, DR parameters, patient position • Automatic daily sessions based on performance • Ideal for registry exams and clinical placement —————————————————————————————— STUDY TOOLS —————————————————————————————— • Interactive ALARA checklist (ICRP 147/2021) • Personal notes for each projection with auto-save • PDF export and share with zone-coloured header • Radiological glossary (All / Technical / Anatomy tabs) —————————————————————————————— DESIGN & USABILITY —————————————————————————————— • Full dark mode with dedicated zone colours • Adjustable text size: S / M / L / XL • Works completely offline • Available in Italian, English and Spanish • Quick search with filters (zone, level, notes) and history • Favourites and recents on home screen 14-day free trial — no card required. Then a one-time purchase of €9.99. No subscription, ever.

Screenshots

Radiologic Technologist Exam4 screens
Rad Index4 screens

Verdict

The call

The clearest difference is update cadence: Rad Index at fortnightly against Radiologic Technologist Exam's every 4 months. On price, ads, in-app purchases 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

Both are free to download. Radiologic Technologist Exam sells 9 in-app purchases, starting at $14.99 per 7 days and Rad Index sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Radiologic Technologist Exam ships an update every 4 months, Rad Index fortnightly. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
Radiologic Technologist Exam versus Rad Index: the parameters behind the verdict, then further details
ParameterRadiologic Technologist ExamRad Index
PriceFreeFree
Rating4.6 (37 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings37 — better—
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size65 MB39 MB
Age rating12+4+
DeveloperExam Prep OUSimone Zen

In-app purchases

9 purchases

Radiologic Technologist Exam

Subscriptions9
  • ARRT Weekly Full Access$14.997 Days
  • ARRT Monthly Full Access$34.991 Month
  • ARRT Monthly Full Access3 Days trial$34.991 Month
Show 6 more
  • ARRT Quarterly Full Access$55.993 Months
  • ARRT Quarterly Full Access3 Days trial$59.993 Months
  • ARRT Semiannual Full Access$75.996 Months
  • ARRT Semiannual Full Access3 Days trial$79.996 Months
  • ARRT Annual Full Access$109.991 Year
  • ARRT Annual Full Access3 Days trial$119.991 Year
1 purchases

Rad Index

One-time1
  • Rad Index Premium$8.99

Questions

Is Radiologic Technologist Exam free?
Radiologic Technologist Exam is free to download, with in-app purchases available.
Is Rad Index free?
Rad Index is free to download, with in-app purchases available.
Do Radiologic Technologist Exam or Rad Index have ads?
Neither Radiologic Technologist Exam nor Rad Index shows ads.
Which is updated more often, Radiologic Technologist Exam or Rad Index?
Radiologic Technologist Exam ships an update every 4 months, and Rad Index fortnightly. Most recently, Radiologic Technologist Exam was updated on October 24, 2026 and Rad Index on October 24, 2026.

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