EP Calipers icon
EP Diagram icon
EP Mobile icon
+2

EP Studios

For cardiac electrophysiologists, cardiologists, and allied healthcare professionals requiring precise rhythm analysis and clinical calculators.

Known forEP Mobile
5apps2.4(337)MedicalUtilities

Snapshot

Who is EP Studios?

Providing specialized digital tools for cardiac arrhythmia diagnosis and management to healthcare professionals and clinical researchers.

Target audience

Cardiac electrophysiologistsCardiologistsAllied healthcare professionals requiring precise rhythm analysis

Active nemesis

MD Aware

Other rivals

Portfolio

Free 2
5
apps
Medical4
Utilities1

Last updated

EP Mobile

v2.40.1

6mo ago

Active

Publisher DNA

What defines EP Studios?

Publisher DNA

Primary focus

Clinical medical utilities for cardiac electrophysiology

Scale

indie

Target audience

Cardiac electrophysiologists, cardiologists, and allied healthcare professionals requiring precise rhythm analysis and clinical calculators.

Signature Patterns

  • Focus on high-utility, single-purpose clinical calculators and measurement tools
  • Mixed monetization strategy utilizing both free reference tools and one-time paid utilities
  • Long-term maintenance of core titles, with the flagship app dating back to 2011
  • Cross-platform availability including mobile and desktop versions for clinical environments
Active

Portfolio momentum

Maintained a high update frequency with 4 releases across 5 apps in the last 6 months, indicating active development of the core clinical suite.

Last release 65d agoActive apps 4Abandoned 1

Portfolio

What does EP Studios ship?

Apps

5 apps analysed

EP Mobile icon
EP Mobile

Mobile tools for medical professionals who manage abnormal heart rhythms.

4.6(330)
View Intel →

Distributed across 2 markets, strongest in Americas.

Based on 2 of 5 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States2 / 2

Europe (1)

  • France1 / 2

Core markets (2/2 apps)

United States

Rivals

Who does EP Studios compete with?

The rivals identified

Nemeses(2)

MD Aware

known forMDCalc Medical Calculator

2 apps4.9Medical

Offers clinical decision support tools that complement the measurement capabilities of the source app.

Heartworks Pty

known forECG+ | Your Watch ECG Reader

1 app4.4Medical

Both apps target users analyzing cardiac rhythm data, though EP Calipers focuses on clinical measurement of recordings while ECG+ targets Apple Watch users tracking HRV and heart rhythm.

Contenders(10)

AliveCor

known forKardia

1 app4.8Medical

Kardia competes for the same cardiac-focused user base by providing automated EKG analysis, whereas EP Calipers requires manual measurement of existing files.

American Society of Echocardiography

known forEchoGuide by ASE

1 app3.7Medical

Both apps target cardiac care professionals, with EchoGuide providing clinical calculators and EP Calipers providing measurement tools for ECG data.

ARPI

known forECG Buddy

2 apps5.0Medical

Both apps target healthcare professionals requiring cardiac rhythm analysis, with EP Calipers providing manual measurement tools and ECG Buddy offering automated AI-driven classification.

Busy Being Born Solutions

known forepTools

1 app4.8Medical

Both apps target healthcare professionals performing cardiac rhythm analysis, with epTools providing a specialized algorithm library that directly competes with the basic measurement functionality in EP Calipers.

ESC - European Society of Cardiology

known forEHRA Key Messages

1 app4.7Medical

Both apps target cardiac professionals, but EP Calipers provides active measurement tools while EHRA Key Messages offers passive clinical guidelines. They compete for the same clinical workflow time.

Hugo Ribeiro Ramadan

known forPhoto EKG

1 app3.3Medical

Both applications target medical professionals performing electronic measurements on ECG images, directly competing for the same clinical workflow.

IPACEMAKER S.R.L.

known foriPacemaker AI Follow-up

2 apps5.0Medical

Both apps target cardiac healthcare professionals, creating a shared audience for clinical rhythm management and device follow-up tasks.

Marian Stiehler

known forQTc-Calculator

1 app4.7Medical

Both apps target medical professionals performing cardiac rhythm analysis, specifically focusing on heart rate and QTc interval calculations. They compete for the same clinical workflow by offering digital alternatives to manual measurement tools.

Medical Appware

known forEchoLab

1 app0.0Medical

Both applications target medical professionals performing cardiac analysis, with EP Calipers focusing on ECG measurements and EchoLab providing echocardiography calculations and reference data.

Putu Angga Risky Raharja

known forECG - Heart Axis Calculator

1 app0.0Medical

Both apps target medical professionals interpreting ECG data, with EP Calipers providing general measurement tools and the rival focusing on specific heart axis vector calculations.

Same space(17)

American College of Cardiology

known forManageAnticoag

1 app4.2Medical

Assists clinicians in managing anticoagulation protocols, serving as a clinical decision support tool for the same audience.

Artur Teodorowicz

known forECG Tracker+ EKG Reader HRV

1 app3.4Medical

Imports and analyzes ECG recordings on-device, providing a privacy-focused alternative to the source app.

Cardiio

known forCardiio: Heart Rate Monitor

1 app4.7Medical

Uses phone cameras for heart rate monitoring, offering a consumer-grade alternative to clinical measurement tools.

CEPALabs SH.P.K.

known forHeartLab: ECG & Heart Analysis

1 app3.8Medical

Analyzes smartwatch ECG data to provide deeper insights than standard health apps, overlapping with the source app's measurement focus.

Charle Viljoen

known forECG APPtitude

1 app4.3Medical

Acts as a comprehensive reference guide for ECG interpretation, targeting students and practitioners.

ECGsource

known forCathSource

1 app1.6Medical

Provides specialized reference content for cardiac catheterization, targeting the same cardiology specialist audience.

Eko Health

known forEko: Digital Stethoscope + ECG

1 app4.8Medical

Combines physical exam hardware with digital cardiac rhythm analysis, expanding the diagnostic scope beyond simple measurements.

Epocrates

known forepocrates: Drug Info & Pill ID

1 app2.7Medical

Serves as a primary clinical reference tool, capturing professional attention that might otherwise go to specialized measurement apps.

Full Code Medical

known forFull Code Medical Simulation

1 app4.1Medical

Full Code targets the same clinical audience as EP Mobile but shifts from reference utility to active simulation training.

iAnesthesia

known forInstant ECG - Mastery of EKG

1 app4.0Medical

Functions as a reference guide for rhythm interpretation, providing a static library alternative to the source app's measurement tools.

iRhythm Technologies

known forMyZio

1 app4.8Medical

Provides a patient-facing interface for cardiac monitoring, shifting the focus from clinician measurement to patient symptom tracking.

MedCram

known forECG / EKG Explained Clearly

1 app4.7Medical

Provides an educational course for ECG interpretation, targeting the same professional audience as the source app.

Powerful Medical

known forPMcardio for Individuals

1 app4.2Medical

Automates ECG interpretation, serving as a diagnostic alternative to manual measurement tools.

Shenzhen Plus1Health Technology Co.

known forWatch ECG Pro - Deep Analysis

1 app4.5Medical

Analyzes ECG data from external recorders, offering a digital analysis path similar to the source app.

Skyscape Medpresso

known forCCU Guide

1 app4.1Medical

Offers a bedside resource for cardiology patients, covering similar clinical ground as the source app.

Tsunehiro Takeuchi

known forECG Trainer: Monitor & 12-Lead

1 app4.7Medical

Gamifies the learning of ECG interpretation, targeting the same professional audience through skill-building exercises.

WMS

known forECG Books

3 apps4.7Medical

Provides an extensive library of realistic example cases for mastering ECG interpretation nuances.

The Analyst's Read

The bottom line on EP Studios

Bottom line

EP Studios is a disciplined niche publisher that has successfully maintained a suite of high-utility medical tools for over a decade. Their focus on professional clinical accuracy rather than consumer wellness makes them a stable, highly specialized player in the medical utility category.

Frequently asked questions

How many apps does EP Studios publish?
EP Studios has 5 apps tracked by Marlvel, primarily in the Medical category.
What kind of apps does EP Studios make?
EP Studios's portfolio is concentrated in Medical and Utilities, with an average rating of 2.4/5 across rated apps.
What is EP Studios's top app?
By review volume across the portfolio, EP Mobile is EP Studios's best-known app tracked by Marlvel.
In how many countries are EP Studios's apps available?
Marlvel has tracked EP Studios's apps across 2 countries.

What fed this analysis

Apps analyzed:
5
With full intel:
0
With overview:
5
Website scraped:
yes
Social presence:
yes

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 EP Studios, 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. “EP Studios intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/ep-studios

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Data licensed under CC-BY-NC 4.0