Comparison

CathSource vs DeviceAID

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

Head to head
About

CathSource

A comprehensive medical reference focused on cardiac catheterization and angiography. It offers a searchable index of specialized topics, a database of videos of common and rare findings, and a collection of images including hemodynamic formulas and tables.

Highlights
  • Searchable index of cardiac catheterization topics
  • Database of coronary angiogram, ventriculogram, and aortogram videos
  • Image database with hemodynamic formulas and tables
  • Covers common and rare cardiovascular pathologies
  • Developed by practicing Interventional Cardiologists
Features
Read full description

CathSource (from the creators of ECGsource) is an up-to-date medical reference devoted exclusively to cardiac catheterization and angiography. Developed by practicing Interventional Cardiologists for both specialists and trainees in the field of cardiovascular disease, CathSource offers the following content: * Searchable index of specialized topics including: Normal Coronary Anatomy Anomalous Coronary Arteries Coronary Artery Aneurysms Myocardial Bridging Takotsubo Cardiomyopathy Plaque Rupture & Thrombus Standard Views of Angiography Left Ventriculography Coarctation of the Aorta Femoral Artery Access for Angiography Radial Artery Access for Angiography Intravascular Ultrasound (IVUS) Optical Coherence Tomography (OCT) Fractional Flow Reserve (FFR) Hemodynamics: Intracardiac Pressures Hemodynamics: Intracardiac Waveforms Hemodynamics: Cardiac Output Hemodynamics: Intracardiac Shunts Hemodynamics: Aortic Stenosis Hemodynamcis: Aortic Regurgitation Hemodynamics: Mitral Stenosis Hemodynamcis: Mitral Regurgitation Hemodynamcis: Constriction Hemodynamics: Restriction * Searchable database containing more than 30 videos (coronary angiograms, ventriculograms, and aortograms) of both common and rare findings in the cardiac catheterization lab * Searchable database of over 65 images including hemodynamic formulas, tables, and figures CathSource provides a detailed overview of important cardiac catheterization and angiography topics, incorporating educational images/videos as well as reviews of pertinent medical literature. CathSource is the ideal application to assist you in understanding and recognizing cardiovascular pathology in the catheterization lab.

About

DeviceAID

Features
Read full description

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

CathSource4 screens
DeviceAID4 screens

Verdict

The call

The clearest difference is ads: CathSource at none against DeviceAID's shown. CathSource also leads on update cadence (every 2 months vs every 14 months). On price, in-app purchases, device support and iOS requirement 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CathSource ships an update every 2 months, DeviceAID every 14 months. The most recent releases landed on September 18, 2026 and May 17, 2026 respectively.

Scorecard2 real differences · 8 level
CathSource versus DeviceAID: the parameters behind the verdict, then further details
ParameterCathSourceDeviceAID
PriceFreeFree
Rating1.6 (23 ratings) — better—
Positive reviews42.9% of reviews—
Number of ratings23 — better—
Update frequencyEvery 2 months — betterEvery 14 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.518.0 — better
Further details — not scored
Size79 MB60 MB
Age rating12+12+
DeveloperECGsource LLCCardiology Apps LLC

In-app purchases

None

CathSource

No in-app purchases

None

DeviceAID

No in-app purchases

Questions

Is CathSource free?
CathSource is free to download, with no in-app purchases.
Is DeviceAID free?
DeviceAID is free to download, with no in-app purchases.
Do CathSource or DeviceAID have ads?
DeviceAID shows ads; CathSource does not.
Which is updated more often, CathSource or DeviceAID?
CathSource ships an update every 2 months, and DeviceAID every 14 months. Most recently, CathSource was updated on September 18, 2026 and DeviceAID on May 17, 2026.

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