CathSource icon
ECGsource icon
EchoSource icon

ECGsource

For medical students, residents, and practicing cardiovascular specialists seeking clinical diagnostic references and board exam preparation.

Known forCathSource
3apps2.5(38)Medical

Snapshot

Who is ECGsource?

Equipping cardiovascular specialists and medical trainees with portable diagnostic reference tools and board preparation resources.

Target audience

Medical studentsResidentsPracticing cardiovascular specialists seeking clinical diagnostic references

Top rival

Eko Health

Other rivals

Portfolio

Free 1
3
apps
Medical3

Last updated

CathSource

v2.0

10mo ago

Maintenance

Publisher DNA

What defines ECGsource?

Publisher DNA

Primary focus

Cardiovascular medical reference and education

Scale

indie

Target audience

Medical students, residents, and practicing cardiovascular specialists seeking clinical diagnostic references and board exam preparation.

Origin

Developed by interventional cardiologists to provide a comprehensive imaging review for medical boards and clinical competency.

Signature Patterns

  • •Specialized focus on cardiovascular diagnostic procedures and imaging
  • •Content-heavy architecture featuring video tutorials and high-resolution clinical images
  • •Targeting professional medical competency and board exam preparation
  • •Low-velocity update cycle across the mobile portfolio
Maintenance

Portfolio momentum

The portfolio is in a maintenance phase with only one active app and one update released across the three-app catalog in the last six months.

Last release 122d agoActive apps 1Abandoned 2

Portfolio

What does ECGsource ship?

Apps

3 apps analysed

Extensive diagnostic database with 90+ criteria

  • Proprietary video tutorial content (50+ minutes)

Rivals

Who does ECGsource compete with?

The rivals identified

Nemeses(2)

iAnesthesia

known forECHO Views - Transesophageal Echocardiography

1 app4.4Medical

Both apps target cardiologists and medical professionals with echocardiography reference content, creating direct competition for clinical utility in procedural settings.

WMS

known forECG Books

3 apps4.7Medical

This app acts as a direct library alternative to the static reference content found within ECGsource.

Contenders(14)

Expanded Apps

known forCase Files: Cardiology

2 apps5.0Medical

Both apps target medical students preparing for exams, with ECGsource providing reference material and Case Files providing clinical scenarios for diagnostic judgment.

Skyscape Medpresso

known forCCU Guide

2 apps4.8Medical

This app provides a broader bedside resource for cardiology patients that includes ECG interpretation alongside medication and disease classification.

Cardiology Apps

known forDeviceAID

4 apps5.0Medical

This app expands the scope of cardiology reference tools from rhythm interpretation to interventional device specifications.

Center for Physician Education

known forKrannert Cardiology Handbook

1 app5.0Medical

Both apps target medical residents and cardiology specialists, competing for the same professional audience needing rapid clinical reference tools during hospital rounds.

Ellis Rochelson

known forPeds Cardiology Handbook

1 app5.0Medical

Both apps target the cardiology professional market by providing pocket reference guides for clinical decision support and procedural guidance.

Higher Learning Technologies

known forECG EKG Interpretation Mastery

1 app4.5Medical

Both apps target medical students and healthcare professionals for ECG interpretation, creating direct competition for study time and reference utility.

MedCram

known forECG / EKG Explained Clearly

1 app4.7Medical

Both apps target medical students and clinicians seeking portable ECG interpretation training, creating direct competition for users evaluating diagnostic reference tools.

Robert Burgese

known forEchodex: TTE Reference Guide

1 app5.0Medical

Both apps target cardiologists and clinicians with echocardiography reference material, creating direct competition for the same professional user base.

SonoSupport

known forSonoSupport: a clinical emergency medicine and critical care ultrasound reference tool

1 app4.0Medical

Both apps target clinicians requiring bedside ultrasound reference material, creating direct competition for the same professional user base.

Sree Hari Reddy Gadekallu

known forECG FlashCards

3 apps3.5Medical

This app offers a more limited, visual-only reference format compared to the comprehensive tutorials provided by ECGsource.

Sunil Mall

known forEKGSmart: Rhythm Identifier

1 app0.0Medical

Both applications target medical students and professionals seeking mobile tools for cardiac rhythm and ECG interpretation.

Suthaporn Lumlertgul

known forRESUS Ultrasound

1 app4.2Medical

Both apps target clinicians requiring bedside ultrasound reference material, creating direct competition for the same professional user base. The overlap in echocardiography content forces users to choose between a specialized paid tool and a broader, free alternative.

Tsunehiro Takeuchi

known forECG Trainer: Monitor & 12-Lead

1 app4.7Medical

Both apps target medical students and professionals needing ECG interpretation skills, with the rival providing a free, interactive alternative to the static reference content in the source app.

Vladimir Perepukhov

known forECG: Interpritation and Tests.

1 app1.0Medical

Both applications target medical students and professionals with ECG interpretation training and diagnostic references, competing directly for the same niche user base.

Same space(18)

Eko Health

known forEko: Digital Stethoscope + ECG

1 app4.8Medical

This app shifts the user from passive ECG study to active clinical data collection by pairing with hardware for real-time cardiac rhythm analysis.

American Society of Echocardiography

known forEchoGuide by ASE

1 app3.7Medical

This app complements cardiac education by focusing on echocardiography guidelines and calculators rather than ECG rhythm interpretation.

AstrumArc

known forEcho Simulator

1 app5.0Medical

Echo Simulator offers a high-fidelity training environment that serves as a premium, interactive alternative to EchoSource's static reference index.

Charle Viljoen

known forECG APPtitude

1 app4.3Medical

This app provides a similar educational reference experience but organizes content by waveform and rhythm analysis for systematic learning.

Epocrates

known forepocrates: Drug Info & Pill ID

1 app2.7Medical

Epocrates competes for the same professional attention as EchoSource by providing a broader clinical decision support platform.

Forwa Elade Wunde

known forCardiology Quiz & EKG Guide

1 app0.0Medical

Cardiology+ functions as a study utility for the same audience as EchoSource, focusing on assessment rather than reference.

Full Code Medical

known forFull Code Medical Simulation

1 app4.1Medical

This app serves as an alternative to static reference guides by providing interactive, game-like clinical simulations for diagnostic practice.

Heartworks Pty

known forECG+ | Your Watch ECG Reader

1 app4.4Medical

This app targets the consumer-facing side of ECG monitoring by analyzing data from wearable devices rather than providing clinical reference material.

Medical Relevant

known forRDCS: Cardiac Sonographer

1 app0.0Medical

RDCS: Cardiac Sonographer targets the same echocardiography domain as EchoSource but focuses on certification exam preparation.

Nurten PIRLI

known forLearn Cardiology

1 app0.0Medical

Learn Cardiology provides a quiz-based learning environment for the same audience as EchoSource.

Philips Electronics North America

known forPhilips Ultrasound Circle CV

1 app4.0Medical

Philips Ultrasound Circle CV provides cardiovascular education similar to EchoSource content but through a branded corporate channel.

Powerful Medical

known forPMcardio for Individuals

1 app4.2Medical

PMcardio targets the same clinical diagnostic audience as EchoSource but shifts the focus from reference material to automated 12-lead ECG interpretation.

Putu Angga Risky Raharja

known forECG - Corrected QT Interval

2 apps0.0Medical

This app serves as a specialized calculation tool for QT intervals, addressing a specific diagnostic need not covered in the source app.

Robert Arrigo

known forECHO On

1 app4.9Medical

ECHO On functions as a direct educational peer to EchoSource by providing specialized echocardiography loops for perioperative medicine.

Sumo Enterprises Pty

known forAnSo

1 app2.6Medical

AnSo serves the same medical reference niche as EchoSource but focuses on sonoanatomy for anaesthetists rather than cardiology.

Usatine & Erickson Media

known forAtlas Emergency Ultrasound, 2E

1 app0.0Medical

Atlas Emergency Ultrasound provides a visual reference tool for the same clinical audience as EchoSource.

WebMD

known forECG Guide

1 app4.0Medical

This app is a direct competitor for clinical reference needs, offering a larger library of ECG examples than the source app.

珠海医凯电子科技有限公司

known forUltrasound Touch

1 app0.0Medical

Ultrasound Touch serves as a hardware-dependent diagnostic tool for the same clinical departments as EchoSource.

The Analyst's Read

The bottom line on ECGsource

Bottom line

ECGsource is a legacy medical publisher with a well-defined niche in cardiovascular diagnostics. While its mobile presence is currently in a maintenance phase, its specialized content remains a specific resource for the medical education market.

Frequently asked questions

How many apps does ECGsource publish?
ECGsource has 3 apps tracked by Marlvel, primarily in the Medical category.
What kind of apps does ECGsource make?
ECGsource's portfolio is concentrated in Medical, with an average rating of 2.5/5 across rated apps.
What is ECGsource's top app?
By review volume across the portfolio, CathSource is ECGsource's best-known app tracked by Marlvel.

What fed this analysis

Apps analyzed:
3
With full intel:
1
With overview:
3
Website scraped:
yes
Social presence:
no

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by ECGsource, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “ECGsource intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/ecgsource-llc

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Data licensed under CC-BY-NC 4.0