Comparison

CathSource vs CTisus CT Coronary Arteries

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

Head to head
About

CathSource

A comprehensive medical reference focused on cardiac catheterization and angiography. It offers a searchable index of specialized topics, a database of videos of common and rare findings, and a collection of images including hemodynamic formulas and tables.

Highlights
  • Searchable index of cardiac catheterization topics
  • Database of coronary angiogram, ventriculogram, and aortogram videos
  • Image database with hemodynamic formulas and tables
  • Covers common and rare cardiovascular pathologies
  • Developed by practicing Interventional Cardiologists
Features
Read full description

CathSource (from the creators of ECGsource) is an up-to-date medical reference devoted exclusively to cardiac catheterization and angiography. Developed by practicing Interventional Cardiologists for both specialists and trainees in the field of cardiovascular disease, CathSource offers the following content: * Searchable index of specialized topics including: Normal Coronary Anatomy Anomalous Coronary Arteries Coronary Artery Aneurysms Myocardial Bridging Takotsubo Cardiomyopathy Plaque Rupture & Thrombus Standard Views of Angiography Left Ventriculography Coarctation of the Aorta Femoral Artery Access for Angiography Radial Artery Access for Angiography Intravascular Ultrasound (IVUS) Optical Coherence Tomography (OCT) Fractional Flow Reserve (FFR) Hemodynamics: Intracardiac Pressures Hemodynamics: Intracardiac Waveforms Hemodynamics: Cardiac Output Hemodynamics: Intracardiac Shunts Hemodynamics: Aortic Stenosis Hemodynamcis: Aortic Regurgitation Hemodynamics: Mitral Stenosis Hemodynamcis: Mitral Regurgitation Hemodynamcis: Constriction Hemodynamics: Restriction * Searchable database containing more than 30 videos (coronary angiograms, ventriculograms, and aortograms) of both common and rare findings in the cardiac catheterization lab * Searchable database of over 65 images including hemodynamic formulas, tables, and figures CathSource provides a detailed overview of important cardiac catheterization and angiography topics, incorporating educational images/videos as well as reviews of pertinent medical literature. CathSource is the ideal application to assist you in understanding and recognizing cardiovascular pathology in the catheterization lab.

About

CTisus CT Coronary Arteries

An educational resource for understanding coronary anomalies. It offers figures, diagrams, case examples, and video discussions for medical professionals. Designed to be a valuable tool for learning and comprehension.

Highlights
  • Organized approach to coronary anomalies
  • Figures and diagrams
  • Case examples
  • Video discussions
  • Multimedia resources
Features
Read full description

This educational app is designed to provide an organized approach to understanding coronary anomalies. It is intended for radiologists, cardiologists, and cardiac imaging staff at the trainee or practicing level. We have compiled a collection of figures, diagrams, case examples, and video discussions for the full multimedia discussion of coronary anomalies. We hope that this application provides a valuable resource for helping you learn and understand coronary anomalies.

Screenshots

CathSource4 screens
CTisus CT Coronary Arteries4 screens

Verdict

The call

The clearest difference is review sentiment: CTisus CT Coronary Arteries at 100% against CathSource's 38%. CTisus CT Coronary Arteries also leads on rating (4.9 vs 1.6) and monetization model (free vs paid). CathSource's advantage is update cadence (every 2 months vs every 5 months). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

CTisus CT Coronary Arteries holds the better App Store score, 4.9 against 1.6. Both are backed by a comparable volume of ratings — 24 and 54 respectively. Written reviews point the same way: 38% of CathSource's written reviews are positive against 100% of CTisus CT Coronary Arteries's.

UpkeepUpdate frequency

CathSource ships an update every 2 months, CTisus CT Coronary Arteries every 5 months. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
CathSource versus CTisus CT Coronary Arteries: the parameters behind the verdict, then further details
ParameterCathSourceCTisus CT Coronary Arteries
PriceFreeFree
Rating1.6 (24 ratings)4.9 (54 ratings) — better
Positive reviews38.5% of reviews100.0% of reviews — better
Number of ratings2454 — better
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.515.0 — better
Further details — not scored
Size79 MB71 MB
Age rating12+17+
DeveloperECGsource LLCElliot Fishman

Customer experience

CathSource

All ratings23 ratings
Positive8.7%
Neutral8.7%
Negative82.6%
Written reviews39 reviews
Positive38.5%
Neutral7.7%
Negative53.8%

CTisus CT Coronary Arteries

All ratings51 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CathSource

No in-app purchases

None

CTisus CT Coronary Arteries

No in-app purchases

Questions

Is CathSource free?
CathSource is free to download, with no in-app purchases.
Is CTisus CT Coronary Arteries free?
CTisus CT Coronary Arteries is free to download, with no in-app purchases.
Which has better reviews, CathSource or CTisus CT Coronary Arteries?
CTisus CT Coronary Arteries is rated higher. CathSource averages 1.6 out of 5 from 24 ratings, while CTisus CT Coronary Arteries averages 4.9 from 54 ratings.
Do CathSource or CTisus CT Coronary Arteries have ads?
Neither CathSource nor CTisus CT Coronary Arteries shows ads.
Which is updated more often, CathSource or CTisus CT Coronary Arteries?
CathSource ships an update every 2 months, and CTisus CT Coronary Arteries every 5 months. Most recently, CathSource was updated on October 24, 2026 and CTisus CT Coronary Arteries on October 24, 2026.

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