Comparison

EchoSource 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

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.

Highlights
  • 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
Features
Read full description

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.

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

EchoSource4 screens
PCI App4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
EchoSource versus PCI App: the parameters behind the verdict, then further details
ParameterEchoSourcePCI App
Price$1.99Free — better
Rating2.8 (6 ratings)5.0 (5 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings6 — better5
Update frequencyEvery 18 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size140 MB37 MB
Age rating12+12+
DeveloperECGsource LLCKRUTSCH

Customer experience

EchoSource

All ratings6 ratings
Positive33.3%
Neutral16.7%
Negative50.0%
Written reviews12 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

PCI App

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

In-app purchases

None

EchoSource

No in-app purchases

None

PCI App

No in-app purchases

Questions

Is EchoSource free?
EchoSource costs $1.99, with no in-app purchases.
Is PCI App free?
PCI App is free to download, with no in-app purchases.
Which has better reviews, EchoSource or PCI App?
PCI App is rated higher. EchoSource averages 2.8 out of 5 from 6 ratings, while PCI App averages 5.0 from 5 ratings.
Do EchoSource or PCI App have ads?
Neither EchoSource nor PCI App shows ads.
Which is updated more often, EchoSource or PCI App?
EchoSource ships an update every 18 months, and PCI App every 2 months. Most recently, EchoSource was updated on October 2, 2026 and PCI App on September 7, 2026.

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