EchoSource vs PCI App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EchoSource
This medical reference app offers a comprehensive guide to echocardiography, featuring a searchable index of specialized topics and a database of over 90 images and videos. It's designed for cardiologists and trainees to quickly reference diagnostic criteria and clinical disorders.
- Searchable index of specialized echocardiography topics
- Database of over 90 figures, images, and videos
- Detailed overview of clinical disorders
- Evaluation using echocardiography
- Reviews of pertinent medical literature
- Reference for guideline-based diagnostic criteria
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EchoSource (from the creators of ECGsource and CathSource) is a medical reference devoted exclusively to echocardiography. Developed by practicing cardiologists for both specialists and trainees in the field of cardiovascular disease, EchoSource offers the following content: * Searchable index of specialized topics including: History of Echocardiography Transthoracic Echo – Learning the Procedure Transesophageal Echo – Learning the Procedure Standard Transthoracic Echocardiography Views Standard Transesophageal Echocardiography Views Hemodynamics: Doppler Overview Hemodynamics: Color Flow Imaging Hemodynamics: Transvalvular Gradients Hemodynamics: Intracardiac Pressures Hemodynamics: Cardiac Flow & the Continuity Equation Hemodynamics: Proximal Isovelocity Surface Area (PISA) Left Ventricle: Systolic Function Left Ventricle: Diastolic Function Valvular: Aortic Stenosis Valvular: Aortic Regurgitation Valvular: Mitral Stenosis Valvular: Mitral Regurgitation Valvular: Pulmonic Stenosis Valvular: Pulmonic Regurgitation Valvular: Tricuspid Stenosis Valvular: Tricuspid Regurgitation Valvular: Prosthetic Valves Clinical Disorder: Aortic Dissection Clinical Disorder: Atrial Septal Defect Clinical Disorder: Constrictive Pericarditis vs. Restrictive Cardiomyopathy Clinical Disorder: Hypertrophic Cardiomyopathy Clinical Disorder: Intracardiac Masses - Endocarditis & Vegetations Clinical Disorder: Intracardiac Masses - Thrombus Clinical Disorder: Intracardiac Masses - Tumors Clinical Disorder: Pericardial Effusion Clinical Disorder: Pseudoaneurysm Clinical Disorder: Pulmonary Artery Hypertension Clinical Disorder: Subaortic Membrane Clinical Disorder: Ventricular Septal Defect * Searchable database consisting of more than 90 figures, images, and echocardiography videos of both common and rare findings in the field of echocardiography EchoSource provides a detailed overview of clinical disorders and their evaluation using echocardiography, incorporating educational figures and videos as well as reviews of pertinent medical literature. Whether you are a beginner just learning standard echocardiography imaging views, or a practicing clinician needing a quick reference to guideline-based echocardiographic criteria for diagnosing the severity of valvular heart disease, EchoSource is the ideal application to assist you.
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.
- Algorithmic step-by-step approach
- Percutaneous coronary interventions
- Browse parts, chapters, and sections
- Watch case studies
- Listen to podcasts
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An algorithmic, step-by-step approach to percutaneous coronary interventions. Browse parts, chapters, and chapter sections. Watch cases and listen to podcasts.
Screenshots
Verdict
The clearest difference is review sentiment: PCI App at 100% against EchoSource's 50%. PCI App also leads on price (Free vs $1.99) and rating (5.0 vs 2.8). EchoSource's advantage is iOS requirement (12.0 vs 15.1). On ratings volume, 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
PCI App is free to download; EchoSource costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
PCI App holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 50% of EchoSource's written reviews are positive against 100% of PCI App's.
EchoSource ships an update every 18 months, PCI App every 2 months. The most recent releases landed on October 2, 2026 and September 7, 2026 respectively.
| Parameter | EchoSource | PCI App |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 2.8 (6 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | 5 |
| Update frequency | Every 18 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 140 MB | 37 MB |
| Age rating | 12+ | 12+ |
| Developer | ECGsource LLC | KRUTSCH |
Customer experience
EchoSource
PCI App
In-app purchases
EchoSource
No in-app purchases
PCI App
No in-app purchases









