EchoSource vs DeviceAID
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.
DeviceAID
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DeviceAID is an educational application with many categories of devices used in both diagnostic Cath as well as interventional cardiology. With hundreds of devices to keep in your head, having a tool to get to the key few numbers can be invaluable. A basics section introduces devices, and the library section allows for the searching and filtering of devices based on some key characteristics. Current sections include Catheters, stents, balloons, atherectomy devices, access, closure, and more. Devices can be added to your personal favorites list for easy access later. For those who want to refine their knowledge of devices, quizzes with correct answer explanations are available.
Screenshots
Verdict
The clearest difference is price: DeviceAID at Free against EchoSource's $1.99. EchoSource's advantage is ads (none vs shown) and chart position (#39 vs unranked). On update cadence, 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
DeviceAID is free to download; EchoSource costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EchoSource ships an update every 18 months, DeviceAID every 14 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.
| Parameter | EchoSource | DeviceAID |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 2.8 (6 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 18 months | Every 14 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #39 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 140 MB | 60 MB |
| Age rating | 12+ | 12+ |
| Developer | ECGsource LLC | Cardiology Apps LLC |
In-app purchases
EchoSource
No in-app purchases
DeviceAID
No in-app purchases







