Comparison

XrayCore vs CT Registry Compass

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

Head to head
About

XrayCore

Features
Read full description

XrayCore helps you practice radiography the way boards feel: focused quizzes, flashcards, and review tools you can use on your own schedule. β€’ Adaptive and category quizzes to target weak areas β€’ Flashcards for quick recall β€’ Chest protocols and reference-style material where the app supports it β€’ Streaks and progress so you can stay consistent Independent study toolβ€”not affiliated with, endorsed by, or sponsored by ARRT or any testing body. Subscriptions may apply for full access; see in-app details. Questions? Use the support link below. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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: β€’ CT practice questions β€’ Clear answer explanations β€’ Category-based studying β€’ Quiz progress tracking β€’ Review and study tools β€’ 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

XrayCore4 screens
CT Registry Compass4 screens

Verdict

The call

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

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

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

Both are free to download. XrayCore sells 2 in-app purchases, starting at $4.99 per month 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

XrayCore ships an update weekly, CT Registry Compass every 3 months. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

Scorecard1 real difference Β· 5 level
XrayCore versus CT Registry Compass: the parameters behind the verdict, then further details
ParameterXrayCoreCT Registry Compass
PriceFreeFree
Update frequencyWeekly β€” betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS15.115.1
Further details β€” not scored
Size43 MB43 MB
Age rating4+4+
DeveloperBenjamin OkraskaMADEHA LLC

In-app purchases

2 purchases

XrayCore

Subscriptions2
  • Xray Core Premium (Monthly)$4.991 Month
  • Xray Core Premium (Annual)7 Days trial$29.991 Year
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 XrayCore free?
XrayCore 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 XrayCore or CT Registry Compass have ads?
Neither XrayCore nor CT Registry Compass shows ads.
Which is updated more often, XrayCore or CT Registry Compass?
XrayCore ships an update weekly, and CT Registry Compass every 3 months. Most recently, XrayCore was updated on October 28, 2026 and CT Registry Compass on October 29, 2026.

Other comparisons