Comparison

EP Mobile vs TRI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

EP Mobile

This medical app offers a comprehensive suite of tools for cardiac electrophysiologists and related healthcare professionals. It provides calculators, risk scores, diagnostic criteria, and drug references to aid in the diagnosis and management of cardiac arrhythmias. Features are regularly updated and referenced for accuracy.

Highlights
  • Cardiac arrhythmia diagnostic criteria
  • Risk score calculators
  • Drug and anticoagulant references
  • Pacing maneuver tools
  • Interval to rate conversion
  • Referenced modules with article links
Features
Currently charting
Read full description

EP Mobile provides tools for cardiac electrophysiologists, cardiologists, cardiology fellows, internists, emergency room physicians, medical students, nurses, technicians, and other health care workers who deal with cardiac arrhythmias. If you have suggestions, features you'd like to see, or complaints, please email us! EP Mobile -- The Swiss Army Knife of Electrophysiology! Features: - All modules fully referenced with links to articles - Copy results to clipboard to paste into other apps - Below is a limited list of modules, more modules are added frequently - Pacing maneuvers: para-Hisian pacing and RV apex vs base pacing - Heart rhythm drugs and anticoagulants reference: dabigatran, dofetilide, rivaroxaban, sotalol, apixaban, edoxaban - Creatinine clearance calculator - Warfarin clinic utility - Interval to rate conversion - QTc calculator (Bazett, Fridericia, Sagie and Hodges formulas) - Additional QTc calculators for IVCD - QT prolongation risk score - Date calculator - Atrial fibrillation risk scores (CHADS2, CHA2DS2-VASc, ATRIA scores) - Bleeding risk scores (HAS-BLED, HEMORR2HAGES, SAMe-TT2R2, ORBIT) - Hypertrophic Cardiomyopathy SCD risk scores (2002, 2014, 2022, 2024) - ICD implantation risk score - ICD mortality risk score - Syncope risk scores (EGSYS, Martin, OESIL, SF) - CMS (Medicare) ICD guidelines calculator, now updated to new 2018 criteria - Atrial tachycardia location algorithm - VT localization algorithms - Epicardial vs endocardial VT - Outflow tract VT - Mitral annular VT - Entrainment mapping - WPW accessory pathway location (Arruda, Modified Arruda, D'Avila, Milstein and others) - Long QT diagnosis, subtypes, and ECG patterns - Short QT syndrome diagnosis - Brugada syndrome diagnosis - Early Repolarization syndrome diagnosis - LVH ECG criteria, including Romhilt-Estes score and others - RVH ECG criteria - True LBBB criteria - ARVC/D 1994 and 2010 diagnostic criteria - ARVC/D risk calculator - Normal EP values - Wide complex tachycardia diagnosis

About

TRI

This medical app provides a dedicated risk-score model to predict outcomes for patients undergoing isolated tricuspid valve surgery. It utilizes pre-operative clinical, biological, and echocardiographic data to guide clinical decision-making in routine practice.

Highlights
  • Predicts surgical outcomes
  • Uses clinical data
  • Utilizes biological data
  • Incorporates echocardiographic data
  • Guides clinical decisions
  • Dedicated risk-score model
Features
Read full description

It is a simple, accurate and dedicated risk-score model to predict outcome after isolated tricuspid valve surgery for severe tricuspid regurgitation at an individual level according to the pre-operative clinical, biological and echocardiographic presentation. It has been developed from 466 consecutive adult patients who underwent an isolated tricuspid valve surgery on native valve for non- congenital severe tricuspid regurgitation at 12 tertiary French centers between January 1, 2007 and December 31, 2017. Its aim is to guide the clinical decision-making process in routine practice.

Screenshots

EP Mobile4 screens
TRI4 screens

Verdict

The call

The clearest difference is price: TRI at Free against EP Mobile's $1.99. TRI also leads on update cadence (daily vs every 3 months) and iOS requirement (8.0 vs 17.0). EP Mobile's advantage is chart position (#64 vs unranked) and ratings volume (4 vs 1). On rating, 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

TRI is free to download; EP Mobile costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for EP Mobile against 5.0 for TRI. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

EP Mobile ships an update every 3 months, TRI daily. The most recent releases landed on November 10, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 5 level
EP Mobile versus TRI: the parameters behind the verdict, then further details
ParameterEP MobileTRI
Price$1.99Free — better
Rating5.0 (4 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 3 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#64 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.08.0 — better
Further details — not scored
Size13 MB37 MB
Age rating12+17+
DeveloperEP StudiosICP CONSEIL

Customer experience

EP Mobile

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

TRI

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

EP Mobile

No in-app purchases

None

TRI

No in-app purchases

Questions

Is EP Mobile free?
EP Mobile costs $1.99, with no in-app purchases.
Is TRI free?
TRI is free to download, with no in-app purchases.
Which has better reviews, EP Mobile or TRI?
EP Mobile and TRI are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.
Do EP Mobile or TRI have ads?
Neither EP Mobile nor TRI shows ads.
Which is updated more often, EP Mobile or TRI?
EP Mobile ships an update every 3 months, and TRI daily. Most recently, EP Mobile was updated on November 10, 2026 and TRI on October 30, 2026.

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