CathSource vs Philips Coronary IVUS Tutor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Philips Coronary IVUS Tutor
An interactive program for healthcare professionals to learn the fundamentals of coronary intravascular ultrasound. It offers simulated IVUS pullbacks, an image interpretation guide, and a knowledge check quiz to enhance understanding of vessel morphologies.
- Simulate IVUS pullbacks and measurements
- Interactive workflow
- Image interpretation guide
- Identify vessel morphologies
- Knowledge check quiz
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Welcome to Coronary IVUS Tutor app, an interactive program designed for cardiovascular health care professionals who want to learn the basics of coronary intravascular ultrasound. Foundational basics of coronary intravascular ultrasound • Simulate IVUS pullbacks and measurements using the interactive workflow • View the image interpretation guide and learn how to quickly identify common vessel morphologies • Test yourself with the knowledge check quiz This application is the copyrighted property of Philips. It has been approved by Philips for the use of healthcare professionals. Please contact Philips if you wish to use this application for any other purpose.
Screenshots
Verdict
The clearest difference is rating: Philips Coronary IVUS Tutor at 4.1 against CathSource's 1.6. Philips Coronary IVUS Tutor also leads on monetization model (free vs paid) and iOS requirement (15.0 vs 18.5). CathSource's advantage is update cadence (every 2 months vs every 13 months) and ratings volume (23 vs 7). On price, review sentiment, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Philips Coronary IVUS Tutor holds the better App Store score, 4.1 against 1.6. Both are backed by a comparable volume of ratings — 23 and 7 respectively. Written reviews point the same way: 43% of CathSource's written reviews are positive against 50% of Philips Coronary IVUS Tutor's.
CathSource ships an update every 2 months, Philips Coronary IVUS Tutor every 13 months. The most recent releases landed on September 18, 2026 and September 7, 2026 respectively.
| Parameter | CathSource | Philips Coronary IVUS Tutor |
|---|---|---|
| Price | Free | Free |
| Rating | 1.6 (23 ratings) | 4.1 (7 ratings) — better |
| Positive reviews | 42.9% of reviews | 50.0% of reviews — better |
| Number of ratings | 23 — better | 7 |
| Update frequency | Every 2 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 79 MB | 21 MB |
| Age rating | 12+ | 17+ |
| Developer | ECGsource LLC | Philips Electronics North America Corporation |
Customer experience
CathSource
Philips Coronary IVUS Tutor
In-app purchases
CathSource
No in-app purchases
Philips Coronary IVUS Tutor
No in-app purchases
Questions
Is CathSource free?
Is Philips Coronary IVUS Tutor free?
Which has better reviews, CathSource or Philips Coronary IVUS Tutor?
Do CathSource or Philips Coronary IVUS Tutor have ads?
Which is updated more often, CathSource or Philips Coronary IVUS Tutor?
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