Comparison

CathSource vs PCI App

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

PCI App

This medical app provides a step-by-step algorithmic guide for percutaneous coronary interventions. Users can browse detailed sections, watch case studies, and listen to relevant podcasts.

Highlights
  • Algorithmic step-by-step approach
  • Percutaneous coronary interventions
  • Browse parts, chapters, and sections
  • Watch case studies
  • Listen to podcasts
Features
Read full description

An algorithmic, step-by-step approach to percutaneous coronary interventions. Browse parts, chapters, and chapter sections. Watch cases and listen to podcasts.

Screenshots

CathSource4 screens
PCI App4 screens

Verdict

The call

The clearest difference is review sentiment: PCI App at 100% against CathSource's 43%. PCI App also leads on rating (5.0 vs 1.6) and monetization model (free vs paid). CathSource's advantage is ratings volume (23 vs 5). On price, update cadence, 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

PCI App holds the better App Store score, 5.0 against 1.6. Both are backed by a comparable volume of ratings — 23 and 5 respectively. Written reviews point the same way: 43% of CathSource's written reviews are positive against 100% of PCI App's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 18, 2026 and September 7, 2026 respectively.

Scorecard5 real differences · 5 level
CathSource versus PCI App: the parameters behind the verdict, then further details
ParameterCathSourcePCI App
PriceFreeFree
Rating1.6 (23 ratings)5.0 (5 ratings) — better
Positive reviews42.9% of reviews100.0% of reviews — better
Number of ratings23 — better5
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.515.1 — better
Further details — not scored
Size79 MB37 MB
Age rating12+12+
DeveloperECGsource LLCKRUTSCH

Customer experience

CathSource

All ratings23 ratings
Positive8.7%
Neutral8.7%
Negative82.6%
Written reviews35 reviews
Positive42.9%
Neutral8.6%
Negative48.6%

PCI App

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CathSource

No in-app purchases

None

PCI App

No in-app purchases

Questions

Is CathSource free?
CathSource is free to download, with no in-app purchases.
Is PCI App free?
PCI App is free to download, with no in-app purchases.
Which has better reviews, CathSource or PCI App?
PCI App is rated higher. CathSource averages 1.6 out of 5 from 23 ratings, while PCI App averages 5.0 from 5 ratings.
Do CathSource or PCI App have ads?
Neither CathSource nor PCI App shows ads.
Which is updated more often, CathSource or PCI App?
CathSource ships an update every 2 months, and PCI App every 2 months. Most recently, CathSource was updated on September 18, 2026 and PCI App on September 7, 2026.

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