Comparison

ECGsource 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

ECGsource

This medical education app provides a searchable reference for ECG diagnoses and criteria, sample ECG images, and video tutorials. It's designed for medical students and professionals to aid in electrocardiogram interpretation and board review.

Highlights
  • Searchable ECG diagnoses and criteria
  • High-resolution sample ECG images
  • ECG quiz (demo)
  • Video tutorials for beginners
  • Board review preparation
Features
Currently charting
Read full description

**Excellent resource for ECG Criteria and Board Review!** ECGsource (from the developers of the CathSource and EchoSource Apps) is a supplemental application to ECGsource.com, the largest online educational resource for electrocardiograms. ECGsource has been developed for medical education and board review, and assists institutions in documenting trainee competency in electrocardiogram (ECG) interpretation. ECGsource for the iPhone/iPad provides the following resources: -> Full-List of Searchable ECG Diagnoses and Criteria -> Over 65 High-Resolution Sample ECG Images -> ECG Quiz (5-question demo of website's full content) -> ECG Video Tutorials for Beginners (over 50 minutes of tutorial videos) **ECG Criteria is an easily searchable rapid reference for more than 90 of the most common ECG diagnoses, including: Normal ECG, Incorrect Electrode Placement, Artifact, Atrial Enlargement, Sinus Rhythm, Sinus Arrhythmia, Bradycardia, Tachycardia, Sinus Arrest, Sinoatrial Exit Block, Atrial Premature Complexes, Atrial Tachycardia, Multifocal Atrial Tachycardia, Supraventricular Tachycardia, Atrial Flutter, Atrial Fibrillation, AV Junctional Rhythm/Tachycardia, Ventricular Premature Complexes, Ventricular Tachycardia, Accelerated Idioventricular Rhythm, Ventricular Fibrillation, AV Block, (1st Degree, 2nd Degree, and 3rd Degree), Wolff-Parkinson-White, AV Dissociation, Low Voltage, Axis Deviation, Electrical Alternans, Ventricular Hypertrophy, Complete and Incomplete Right Bundle Branch Block, Left Anterior Fascicular Block, Left Posterior Fascicular Block, Complete and Incomplete Left Bundle Branch Block, Non-specific Intraventricular Conduction Disturbance, Functional (Rate-Related) Aberrancy, Anterolateral Infarction (Age Recent or Probably Acute), Anterolateral Infarction (Age Indeterminate or Probably Old), Anterior or Anteroseptal Infarction (Age Recent or Probably Acute), Anterior or Anteroseptal Infarction (Age Indeterminate or Probably Old), Lateral Infarction (Age Recent or Probably Acute), Lateral Infarction (Age Indeterminate or Probably Old), Inferior Infarction (Age Recent or Probably Acute), Inferior Infarction (Age Indeterminate or Probably Old), Posterior Infarction (Age Recent or Probably Acute), Posterior Infarction (Age Indeterminate or Probably Old), Early Repolarization, Juvenile T Waves, Nonspecific ST and/or T Wave Abnormalities, ST and/or T Wave Abnormalities Suggesting Myocardial Ischemia, ST and/or T Wave Abnormalities Suggesting Myocardial Injury, ST and/or T Wave Abnormalities Suggesting Electrolyte Disturbances, ST and/or T wave Abnormalities Secondary to Hypertrophy, Prolonged Q-T Interval, Prominent U Waves, Digitalis Effect, Hyperkalemia, Hypokalemia, Hypercalcemia, Hypocalcemia, Secundum Atrial Septal Defect, Primum Atrial Septal Defect, Dextrocardia, Chronic Lung Disease, Acute Cor Pulmonale Including Pulmonary Embolism, Pericardial Effusion, Acute Pericarditis, Hypertrophic Cardiomyopathy, Central Nervous System Disorder, Myxedema, Hypothermia, Sick Sinus Syndrome, Brugada Syndrome, Ebstein's Anomaly, Atrial or Coronary Sinus Pacing, Ventricular Demand Pacemaker (VVI), Dual Chamber Pacemaker (DDD), and Pacemaker Malfunction.** **ECG Video Tutorial section includes over 50 minutes of video tutorials designed to assist beginners learning electrocardiogram interpretation. Tutorial topics include Understanding the Cardiac Conduction System, Understanding the Limb and Precordial Leads, Determining ECG Rate and Axis, Left Ventricular Hypertrophy, Bundle Branch Blocks, and ST-Segment Elevation.** Visit us online at ECGsource.com for more information.

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

ECGsource4 screens
PCI App4 screens

Verdict

The call

The clearest difference is price: PCI App at Free against ECGsource's $0.99. PCI App also leads on rating (5.0 vs 3.0) and review sentiment (100% vs 67%). ECGsource's advantage is chart position (#55 vs unranked) and iOS requirement (9.0 vs 15.1). On ratings volume, update cadence, ads and in-app purchases 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; ECGsource costs $0.99 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 3.0. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews point the same way: 67% of ECGsource's written reviews are positive against 100% of PCI App's.

UpkeepUpdate frequency

ECGsource ships an update every 4 months, PCI App every 2 months. The most recent releases landed on October 7, 2026 and September 7, 2026 respectively.

Scorecard6 real differences · 5 level
ECGsource versus PCI App: the parameters behind the verdict, then further details
ParameterECGsourcePCI App
Price$0.99Free — better
Rating3.0 (8 ratings)5.0 (5 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings8 — better5
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#55 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.1
Further details — not scored
Size349 MB37 MB
Age rating12+12+
DeveloperECGsource LLCKRUTSCH

Customer experience

ECGsource

All ratings8 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews15 reviews
Positive66.7%
Neutral0.0%
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

ECGsource

No in-app purchases

None

PCI App

No in-app purchases

Questions

Is ECGsource free?
ECGsource costs $0.99, with no in-app purchases.
Is PCI App free?
PCI App is free to download, with no in-app purchases.
Which has better reviews, ECGsource or PCI App?
PCI App is rated higher. ECGsource averages 3.0 out of 5 from 8 ratings, while PCI App averages 5.0 from 5 ratings.
Do ECGsource or PCI App have ads?
Neither ECGsource nor PCI App shows ads.
Which is updated more often, ECGsource or PCI App?
ECGsource ships an update every 4 months, and PCI App every 2 months. Most recently, ECGsource was updated on October 7, 2026 and PCI App on September 7, 2026.

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