Comparison

CT Exam Prep for ARRT vs CT Registry Compass

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

Head to head
About

CT Exam Prep for ARRT

Features
Read full description

Pass your CT Exam with confidence. CT ARRT Exam Prep gives you 750+ realistic practice questions with clear, detailed explanations for every answer. COVERS EVERY TOPIC Patient Care, CT Physics, Instrumentation, Image Production, Procedures by Region, Contrast — and more. WHY CT Tech PREP • 750+ exam-style questions, written and reviewed for accuracy • A detailed explanation for every answer — understand WHY • Realistic mock exams that mirror the real test • Track your accuracy by subject with smart analytics • A personalized study plan that keeps you on pace • Daily reminders + study anytime, even offline Whether it's your first attempt or a retake, our questions and explanations help you master the material and pass on your first try. SUBSCRIPTION Start free, then unlock everything. Weekly $4.99, Monthly $12.99, Yearly $39.99, or a one-time Lifetime unlock $79.99. Subscriptions auto-renew unless cancelled at least 24 hours before the period ends; manage or cancel in your App Store account settings. Disclaimer: This app is an independent study tool and is not affiliated with, endorsed by, or associated with the American Registry of Radiologic Technologists (ARRT). Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://flysky-privacy.pages.dev

About

CT Registry Compass

Features
Read full description

CT Registry Compass is a focused study app designed to help radiologic technologists prepare for the CT registry exam. Practice with CT exam-style questions across key content areas, including patient care, safety, image production, and CT procedures. Review explanations after each question, track your progress, and focus your study time where it matters most. Features include: • CT practice questions • Clear answer explanations • Category-based studying • Quiz progress tracking • Review and study tools • Premium access for full question bank practice CT Registry Compass is built for students, technologists, and imaging professionals who want a simple, organized way to study for computed tomography registry preparation. This app is an independent educational study tool. It is not affiliated with, endorsed by, or sponsored by any registry, certification board, or testing organization. Privacy Policy: https://madeha.org/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CT Exam Prep for ARRT4 screens
CT Registry Compass4 screens

Verdict

The call

The clearest difference is update cadence: CT Registry Compass at every 5 days against CT Exam Prep for ARRT's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. CT Exam Prep for ARRT sells 4 in-app purchases, starting at $6.99 per 7 days and CT Registry Compass sells 2 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CT Exam Prep for ARRT ships an update every 3 months, CT Registry Compass every 5 days. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

Scorecard1 real difference Ā· 5 level
CT Exam Prep for ARRT versus CT Registry Compass: the parameters behind the verdict, then further details
ParameterCT Exam Prep for ARRTCT Registry Compass
PriceFreeFree
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size24 MB44 MB
Age rating4+4+
DeveloperFLY SKY PTY LTDMADEHA LLC

In-app purchases

4 purchases

CT Exam Prep for ARRT

Subscriptions3
  • CT Tech Weekly$6.997 Days
  • CT Tech Monthly$16.991 Month
  • CT Tech Yearly$39.991 Year
One-time1
  • CT Tech Lifetime$79.99
2 purchases

CT Registry Compass

Subscriptions2
  • CT Registry Prep Monthly3 Days trial$24.991 Month
  • CT Registry Prep Annual3 Days trial$59.991 Year

Questions

Is CT Exam Prep for ARRT free?
CT Exam Prep for ARRT is free to download, with in-app purchases available.
Is CT Registry Compass free?
CT Registry Compass is free to download, with in-app purchases available.
Do CT Exam Prep for ARRT or CT Registry Compass have ads?
Neither CT Exam Prep for ARRT nor CT Registry Compass shows ads.
Which is updated more often, CT Exam Prep for ARRT or CT Registry Compass?
CT Exam Prep for ARRT ships an update every 3 months, and CT Registry Compass every 5 days. Most recently, CT Exam Prep for ARRT was updated on October 28, 2026 and CT Registry Compass on November 5, 2026.

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