Comparison

CathSource vs MCSAID

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

MCSAID

Features
Read full description

MCSAID is an educational application dedicated to the topic of mechanical cardiocirculatory support for patients with cardiogenic shock. A basic section introduces the definitions and classifications of cardiogenic shock as well as some of the common devices used for hemodynamic support in unstable patients. There is an algorithm for helping understand the decision process depending on key clinical variables such as cardiac output and PAPI. There are also several weaning and escalation algorithm. A calculator section is available for some common hemodynamic variables used in MCS decision-making and is available for quick-reference throughout the algorithm. MCSAID is an educational application for medical professionals and is not intended for making medical diagnoses. Medical decisions must be made by licensed professionals with the entire context of a patient’s medical history. If you are seeking a medical diagnosis, contact your physician and if you are experiencing a medical emergency, call your local emergency medical services.

Screenshots

CathSource4 screens
MCSAID4 screens

Verdict

The call

The clearest difference is update cadence: CathSource at every 2 months against MCSAID's every 40 months. MCSAID's advantage is iOS requirement (15.0 vs 18.5). On price, ads, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CathSource ships an update every 2 months, MCSAID every 40 months. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

Scorecard2 real differences · 8 level
CathSource versus MCSAID: the parameters behind the verdict, then further details
ParameterCathSourceMCSAID
PriceFreeFree
Rating1.6 (23 ratings) — better—
Positive reviews42.9% of reviews—
Number of ratings23 — better—
Update frequencyEvery 2 months — betterEvery 40 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.515.0 — better
Further details — not scored
Size79 MB46 MB
Age rating12+17+
DeveloperECGsource LLCCardiology Apps LLC

In-app purchases

None

CathSource

No in-app purchases

None

MCSAID

No in-app purchases

Questions

Is CathSource free?
CathSource is free to download, with no in-app purchases.
Is MCSAID free?
MCSAID is free to download, with no in-app purchases.
Do CathSource or MCSAID have ads?
Neither CathSource nor MCSAID shows ads.
Which is updated more often, CathSource or MCSAID?
CathSource ships an update every 2 months, and MCSAID every 40 months. Most recently, CathSource was updated on September 18, 2026 and MCSAID on September 12, 2026.

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