Comparison

Radiology Assistant 2.0 vs CT

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

Head to head
About

Radiology Assistant 2.0

Access concise, peer-reviewed articles from expert radiologists on a wide range of topics. This app offers offline content, full-text searching, and high-resolution image viewing for an efficient radiology learning experience.

Highlights
  • Concise, peer-reviewed articles
  • Offline content access
  • Full-text searching
  • High-resolution image viewing
  • Downloadable new content
Read full description

▸▸▸ Minnies 2023: Nominated FINALIST "Best Radiology Mobile App" ▸▸▸ Winner of the "Best Radiology Mobile App 2021" Award at the RSNA in Chicago! -AuntMinnie.com! ◆◆◆ THE RADIOLOGY ASSISTANT 2.0 ◆◆◆ ▸ Concise, peer-reviewed articles from expert radiologists Consistently in the "Top Medical Apps" in many countries "..excellent information on a large variety of topics" - MedGadget.com ▸▸ USER REVIEWS + "Finally a great radiology app… well worth the money!" - [4 stars] + "Easy to navigate and great teaching program" - [5 stars] + "This is a must-have for those in radiology!" - [5 stars] + "This app is great and not only for radiology residents but also for other specialties as well as for seasoned clinicians. Great Job!" - [5 stars] + "Well, I simply love this app! Very useful in radiology practice. Awesome photos and drawings! Can't wait for new updates! Just buy it!!!!" - [5 stars] + "Great app, with great content, well worth the few bucks! Support was excellent, my email was answered within a day. Keep it up!" - [5 stars] ▸▸ KEY FEATURES The app uses offline content with a layout that is optimized for your device's screen. When new content becomes available it can be directly downloaded to your device: No need to update the whole application from the App Store. Full text searching of all articles, both across all categories, and per category. Continues your full text search within the article. Hi-res versions of article images, as well as image-stacks, can be viewed fullscreen, without leaving your place in the article; even when offline! ▸▸ BACKGROUND The Radiology Assistant 1.0 app was first released more than 10 years ago. It quickly became one of the most downloaded radiology apps, and consistently stayed in the Top Medical Apps section in numerous countries for all those years. We have spent over a year completely rewriting the app, from the ground up. Radiology Assistant 2.0 provides a cleaner, faster and more efficient reading experience for all modern iOS devices. For the technically interested: formerly Objective-C, the app is now 100% Swift Before winning the "Best Radiology Mobile App" Award in 2018 and again in 2021, the "Radiology Assistant 1.0" was a Minnies 2013 Finalist - Best Radiology Mobile App, nominated together with OsiriX HD! And again in 2017 and 2020! - AuntMinnie.com ▸▸ PRICING Instead of paying up front as for the Radiology Assistant 1.0, the new 2.0 app is a free download, and you can subscribe to those Article Categories that you need. If you purchase all Categories you pay the same as RA1.0. If you need less Categories, you pay less. ▸▸ ABOUT YOUR SUBSCRIPTION + All subscription options provide unlimited access to all Articles in one or more Categories for the duration of one year. + All subscription options can be cancelled at any time. + When you select a subscription option you can still cancel the purchase. If you confirm, the payment will be charged to your AppleID, just like any other App Store purchase. + Your subscription automatically renews. If this is not what you want, simply turn off auto-renew. You can do this at any time - but at least 24-hours before the end of the current period - by tapping the ‘Manage Subscription’ inside the app, or via your AppleID Account Settings. + You can upgrade to an option giving access to more or all Categories at any time. If you upgrade before your current subscription is over, you will be refunded the unused portion of your current subscription. + You can find our Terms of Use and our Privacy Policy on the in-app About page, as well as on our website, at https://doRadiology.com/RA2Legal.pdf.

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

Radiology Assistant 2.04 screens
CT4 screens

Verdict

The call

Radiology Assistant 2.0 and CT both sit at 4.5 stars, but that hides the real split: 100% of CT's written reviews are positive against 36% of Radiology Assistant 2.0's. CT also leads on in-app purchases (none vs 10) and iOS requirement (13.0 vs 15.0). Radiology Assistant 2.0's advantage is ads (none vs shown) and update cadence (every 3 months vs every 12 months). On price, rating, ratings volume 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. Radiology Assistant 2.0 sells 10 in-app purchases, starting at $0.99 per year. CT asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Radiology Assistant 2.0 against 4.5 for CT. Both are backed by a comparable volume of ratings — 30 and 12 respectively. Written reviews are what separate them: 36% of Radiology Assistant 2.0's written reviews are positive against 100% of CT's.

UpkeepUpdate frequency

Radiology Assistant 2.0 ships an update every 3 months, CT every 12 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Radiology Assistant 2.0 versus CT: the parameters behind the verdict, then further details
ParameterRadiology Assistant 2.0CT
PriceFreeFree
Rating4.5 (30 ratings)4.5 (12 ratings)
Positive reviews36.0% of reviews100.0% of reviews — better
Number of ratings30 — better12
Update frequencyEvery 3 months — betterEvery 12 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size21 MB55 MB
Age rating4+12+
DeveloperBestApps BVFabricio Tarter

Customer experience

Radiology Assistant 2.0

All ratings30 ratings
Positive83.3%
Neutral6.7%
Negative10.0%
Written reviews50 reviews
Positive36.0%
Neutral14.0%
Negative50.0%

CT

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

In-app purchases

10 purchases

Radiology Assistant 2.0

Subscriptions10
  • One Category$0.991 Year
  • One Category6 Months trial$0.991 Year
  • Two Categories$1.991 Year
Show 7 more
  • Two Categories6 Months trial$1.991 Year
  • Three Categories6 Months trial$2.491 Year
  • Three Categories$2.991 Year
  • Four Categories6 Months trial$3.491 Year
  • Four Categories$3.991 Year
  • All Categories6 Months trial$5.491 Year
  • All Categories$5.991 Year
None

CT

No in-app purchases

Questions

Is Radiology Assistant 2.0 free?
Radiology Assistant 2.0 is free to download, with in-app purchases available.
Is CT free?
CT is free to download, with no in-app purchases.
Which has better reviews, Radiology Assistant 2.0 or CT?
Radiology Assistant 2.0 and CT are both rated 4.5 out of 5 on the App Store, from 30 and 12 ratings respectively.
Do Radiology Assistant 2.0 or CT have ads?
CT shows ads; Radiology Assistant 2.0 does not.
Which is updated more often, Radiology Assistant 2.0 or CT?
Radiology Assistant 2.0 ships an update every 3 months, and CT every 12 months. Most recently, Radiology Assistant 2.0 was updated on October 28, 2026 and CT on October 24, 2026.

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