# CathSource vs Stent & Surgery

The clearest difference is rating: Stent & Surgery at 5.0 against CathSource's 1.6. Stent & Surgery also leads on monetization model (free vs paid) and review sentiment (63% vs 38%). CathSource's advantage is update cadence (every 2 months vs every 9 months) and ratings volume (24 vs 2). On price, ads, in-app purchases and device support there is nothing between them.

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

Stent & Surgery 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 2, so its average is the more settled of the two. Written reviews point the same way: 38% of CathSource's written reviews are positive against 63% of Stent & Surgery's.

CathSource ships an update every 2 months, Stent & Surgery every 9 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CathSource | Stent & Surgery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (24 ratings)](https://appshunter.io/ios/app/cathsource/id420847275/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stent-and-surgery/id551350096/reviews)** |
| Number of ratings | **24** | 2 |
| Positive reviews | 38.5% of reviews | **62.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Paid | **Free** |
| Size | 79 MB | 17 MB |
| Requires iOS | 18.5 | **8.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [ECGsource LLC](https://appshunter.io/developer/377139096) | [Araneum Group srl](https://appshunter.io/developer/302884293) |

## 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


### Stent & Surgery

[App page](https://appshunter.io/ios/app/stent-and-surgery/id551350096)

This medical app provides practical recommendations for managing antiplatelet therapy in patients with coronary stents who require surgery. It helps cardiologists and surgeons assess ischemic and hemorrhagic risks to determine the most appropriate perioperative antiplatelet regimen.

**Highlights:** Perioperative antiplatelet therapy management, Ischemic risk stratification, Hemorrhagic risk assessment, Consensus-based recommendations, Document browsing and search, Email results

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CathSource free?

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

### Is Stent & Surgery free?

Stent & Surgery is free to download, with no in-app purchases.

### Which has better reviews, CathSource or Stent & Surgery?

Stent & Surgery is rated higher. CathSource averages 1.6 out of 5 from 24 ratings, while Stent & Surgery averages 5.0 from 2 ratings.

### Do CathSource or Stent & Surgery have ads?

Neither CathSource nor Stent & Surgery shows ads.

### Which is updated more often, CathSource or Stent & Surgery?

CathSource ships an update every 2 months, and Stent & Surgery every 9 months. Most recently, CathSource was updated on October 24, 2026 and Stent & Surgery on October 15, 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.*