Comparison

Radiology Toolbox Lite vs CTisus CT Quick Guides

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

Head to head
About

Radiology Toolbox Lite

This medical reference app provides quick access to essential facts and tools for radiologists, residents, and students. It includes calculators, criteria, and reference data that are frequently looked up, with an option to unlock more content via in-app purchase.

Highlights
  • Radiographic contrast premedication
  • GFR calculator
  • Solitary pulmonary nodule criteria
  • Gastric Emptying times
  • Radioisotope half lives
  • In-app purchase for Pro version
Features
Read full description

Radiology Toolbox is the radiologist’s ectopic brain. Now downloaded by more than 79,000 users in over 115 countries! Radiology Toolbox is designed by a practicing radiologist to help radiologists, residents, medical students, radiology technologists and technology students. These are the facts you keep looking up over and over. We looked them up so you don't have to! Always available on your iPhone or iPad. *** Free introductory version! *** Useful tools include: * Radiographic contrast premedication * GFR calculator * Solitary pulmonary nodule criteria * Gastric Emptying times * Radioisotope half lives Many more tools available through an In-app purchase to the full content from the Pro version.

About

CTisus CT Quick Guides

This medical reference app provides radiologists and other healthcare professionals with curated CT images, imaging pearls, and clinical findings across 17 diverse topics. Key information is organized into critical findings, etiology, epidemiology, presentation, and prognosis for each subject.

Highlights
  • Curated CT images
  • Imaging pearls
  • Clinical findings
  • 17 topic sections
  • Critical CT findings
  • Etiology, epidemiology, presentation, prognosis
Features
Read full description

CTisus CT Quick Guides is a unique application that combines select CT images with imaging pearls and important clinical findings across a range of topics important to the radiologist and other medical professionals. The topics are varied and divided into 17 unique sections ranging from the adrenal gland to the vascular system. In each section there are multiple topics ranging from infectious and inflammatory disease to oncology. In each section key information is divided into subsections including  the critical CT findings, etiology, epidemiology, presentation and prognosis. We will continue to expand these modules which have won praise from our users especially as they are shared on our social media pages. Please let us know what additional topics you would like covered and any feedback on how we can improve the application. We hope you find it an important educational experience.

Screenshots

Radiology Toolbox Lite4 screens
CTisus CT Quick Guides4 screens

Verdict

The call

The clearest difference is rating: CTisus CT Quick Guides at 4.8 against Radiology Toolbox Lite's 2.3. CTisus CT Quick Guides also leads on in-app purchases (none vs 1). Radiology Toolbox Lite's advantage is iOS requirement (9.0 vs 16.6). On price, ratings volume, update cadence and ads 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 Toolbox Lite sells 1 one-off in-app purchase. CTisus CT Quick Guides asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CTisus CT Quick Guides holds the better App Store score, 4.8 against 2.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Radiology Toolbox Lite versus CTisus CT Quick Guides: the parameters behind the verdict, then further details
ParameterRadiology Toolbox LiteCTisus CT Quick Guides
PriceFreeFree
Rating2.3 (3 ratings)4.8 (6 ratings) — better
Positive reviews42.9% of reviews—
Number of ratings36 — better
Update frequencyEvery 6 monthsEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better16.6
Further details — not scored
Size27 MB52 MB
Age rating17+17+
DeveloperSoftcode Systems, Inc.Elliot Fishman

Customer experience

Radiology Toolbox Lite

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews14 reviews
Positive42.9%
Neutral14.3%
Negative42.9%

CTisus CT Quick Guides

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Radiology Toolbox Lite

One-time1
  • Radiology Toolbox Upgrade to All Pro FeaturesFree
None

CTisus CT Quick Guides

No in-app purchases

Questions

Is Radiology Toolbox Lite free?
Radiology Toolbox Lite is free to download, with in-app purchases available.
Is CTisus CT Quick Guides free?
CTisus CT Quick Guides is free to download, with no in-app purchases.
Which has better reviews, Radiology Toolbox Lite or CTisus CT Quick Guides?
CTisus CT Quick Guides is rated higher. Radiology Toolbox Lite averages 2.3 out of 5 from 3 ratings, while CTisus CT Quick Guides averages 4.8 from 6 ratings.
Do Radiology Toolbox Lite or CTisus CT Quick Guides have ads?
Neither Radiology Toolbox Lite nor CTisus CT Quick Guides shows ads.
Which is updated more often, Radiology Toolbox Lite or CTisus CT Quick Guides?
Radiology Toolbox Lite ships an update every 6 months, and CTisus CT Quick Guides every 6 months. Most recently, Radiology Toolbox Lite was updated on October 30, 2026 and CTisus CT Quick Guides on October 25, 2026.

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