# CathSource vs StatSeal Clinician App

The clearest difference is rating: StatSeal Clinician App at 5.0 against CathSource's 1.6. StatSeal Clinician App also leads on monetization model (free vs paid) and iOS requirement (14.0 vs 18.5). CathSource's advantage is ratings volume (24 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

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

StatSeal Clinician App holds the better App Store score, 5.0 against 1.6. That said, the two scores are not equally well evidenced: CathSource has 24 ratings behind it against 3, so its average is the more settled of the two.

CathSource ships an update every 2 months, StatSeal Clinician App every 4 months. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CathSource | StatSeal Clinician App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (24 ratings)](https://appshunter.io/ios/app/cathsource/id420847275/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/statseal-clinician-app/id1524515204/reviews)** |
| Number of ratings | **24** | 3 |
| Positive reviews | 38.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | **Free** |
| Size | 79 MB | 628 MB |
| Requires iOS | 18.5 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [ECGsource LLC](https://appshunter.io/developer/377139096) | [Biolife LLC FL](https://appshunter.io/developer/1524515207) |

## What reviewers say

### CathSource

[App page](https://appshunter.io/ios/app/cathsource/id420847275)

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:** macOS Compatibility

**In-app purchases:** none


### StatSeal Clinician App

[App page](https://appshunter.io/ios/app/statseal-clinician-app/id1524515204)

Access essential training materials for medical specialties like Vascular Access, Interventional Cardiology, and Interventional Radiology. This app offers videos, instructions, and photos to support clinician education. It also features an "Ask a Clinician" option for direct support.

**Highlights:** Specialty-organized training tools, Instructional videos, Application photos, Instructions for use, Ask a Clinician feature

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CathSource free?

CathSource is free to download, with no in-app purchases.

### Is StatSeal Clinician App free?

StatSeal Clinician App is free to download, with no in-app purchases.

### Which has better reviews, CathSource or StatSeal Clinician App?

StatSeal Clinician App is rated higher. CathSource averages 1.6 out of 5 from 24 ratings, while StatSeal Clinician App averages 5.0 from 3 ratings.

### Do CathSource or StatSeal Clinician App have ads?

Neither CathSource nor StatSeal Clinician App shows ads.

### Which is updated more often, CathSource or StatSeal Clinician App?

CathSource ships an update every 2 months, and StatSeal Clinician App every 4 months. Most recently, CathSource was updated on October 22, 2026 and StatSeal Clinician App on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*