Comparison

iRadTech vs CT

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

Head to head
About

iRadTech

This app provides detailed instructions and technical factors for over 200 radiographic positions, serving as a comprehensive guide for medical imaging professionals and students. It includes representative images, positioning details, and helpful notes, designed to align with ARRT content specifications and ASRT curriculum.

Highlights
  • 200+ radiographic positions
  • Technical factors and settings
  • Patient and part positioning
  • Representative radiographic images
  • Enlargeable positioning photographs
  • Search and save functions
  • ARRT content alignment
Features
Currently charting
Read full description

Radiographic Positioning Guide for Medical Imaging Professionals and Students Meets latest Apple requirements. Similar to x-ray pocket guide or reference booklet. Detailed instructions for more than 200 radiographic positions: 1. technical factors 2. image receptor size and orientation 3. patient and part positioning 4. respiration instructions 5. central ray entrance/exit points and angulation 6. image quality points 7. structures demonstrated Suggested digital imaging systems technical factor settings added for all positions (except nephrotomography) Representative radiographic image which can be enlarged for closer inspection. Enlargeable photograph of properly positioned human model showing the correctly collimated area of interest with the central ray entry point. A helpful NOTE tab for every position; save techniques, special terms, or other helpful information. Search function finds search term in position titles and/or instructions. My Routines function allows grouping of selected positions into a saved routine. My Notes function allows saving notes not related to a position. Developed using the ARRT Content Specifications to include nearly all ARRT entry-level radiographic positions. - “OPTIONAL” positions are included which may be ordered in clinical practice. These OPTIONAL positions are judged by the authors and other educational colleagues as handy references, but are not listed on the ARRT Radiography Content. Instructions referenced to the most recent ASRT Radiography Curriculum and national positioning texts. Written and edited by 2 Ph.D. radiography educators, each with more than 30 years of teaching experience. A convenient guide to positioning the patient and a valuable study aid for radiography students. A great reference and review tool for technologists and clinical instructors.

About

CT

This app provides a didactic and effective way for students, radiologists, and bio-image graduates to learn and reinforce their knowledge of computed tomography protocols. It features a human body model with selectable protocols, detailing essential information for each study.

Highlights
  • Human body model for protocol selection
  • Detailed protocol information
  • Indications and preparation guidance
  • Scout view and FOV details
  • Cut thickness and gap information
  • Window settings and reconstruction plans
  • Protocol-specific images
Features
Read full description

CT - Computed Tomography is an app that was created for all students, radiologists and Graduates in Bio-Image production who wish to learn or reinforce their knowledge in a simple way. Within the app you will find a human body where you can select different protocols and learn in a didactic and effective way. In each section of the human body you will find the information necessary to carry out your computed tomography study: - Indications - Previous preparation - Scout view - Fov - Cut thickness and gap - Windows - Reconstruction plans, etc. Also in each protocol you find different images. Wouldn't you like to always have a help for your studies at hand and be able to reinforce your knowledge? Download CT - Computed Tomography for FREE! All information provided in this app is to support the study, nothing should be taken as a medical recommendation of any kind. If you have any questions, consult your trusted doctor.

Screenshots

iRadTech4 screens
CT4 screens

Verdict

The call

The clearest difference is price: CT at Free against iRadTech's $24.99. CT also leads on review sentiment (100% vs 86%). iRadTech's advantage is ads (none vs shown) and chart position (#32 vs unranked). On rating, update cadence, 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

CT is free to download; iRadTech costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for iRadTech against 4.5 for CT. Both are backed by a comparable volume of ratings — 53 and 12 respectively. Written reviews are what separate them: 86% of iRadTech's written reviews are positive against 100% of CT's.

UpkeepUpdate frequency

iRadTech ships an update every 8 months, CT every 12 months. The most recent releases landed on September 26, 2026 and September 9, 2026 respectively.

Scorecard6 real differences · 5 level
iRadTech versus CT: the parameters behind the verdict, then further details
ParameteriRadTechCT
Price$24.99Free — better
Rating4.6 (53 ratings) — better4.5 (12 ratings)
Positive reviews85.5% of reviews100.0% of reviews — better
Number of ratings53 — better12
Update frequencyEvery 8 months — betterEvery 12 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
Best chart rank#32 — better—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size122 MB55 MB
Age rating12+12+
DeveloperBallinger and Bruckner, LLPFabricio Tarter

Customer experience

iRadTech

All ratings53 ratings
Positive90.6%
Neutral5.7%
Negative3.8%
Written reviews76 reviews
Positive85.5%
Neutral6.6%
Negative7.9%

CT

All ratings12 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iRadTech

No in-app purchases

None

CT

No in-app purchases

Questions

Is iRadTech free?
iRadTech costs $24.99, with no in-app purchases.
Is CT free?
CT is free to download, with no in-app purchases.
Which has better reviews, iRadTech or CT?
iRadTech is rated higher. iRadTech averages 4.6 out of 5 from 53 ratings, while CT averages 4.5 from 12 ratings.
Do iRadTech or CT have ads?
CT shows ads; iRadTech does not.
Which is updated more often, iRadTech or CT?
iRadTech ships an update every 8 months, and CT every 12 months. Most recently, iRadTech was updated on September 26, 2026 and CT on September 9, 2026.

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