# CathSource vs BifurcAID

The clearest difference is review sentiment: BifurcAID at 100% against CathSource's 38%. BifurcAID also leads on rating (5.0 vs 1.6) and monetization model (free vs paid). On price, ratings volume, update cadence and ads there is nothing between them.

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

BifurcAID holds the better App Store score, 5.0 against 1.6. Both are backed by a comparable volume of ratings — 23 and 16 respectively. Written reviews point the same way: 38% of CathSource's written reviews are positive against 100% of BifurcAID's.

CathSource ships an update every 2 months, BifurcAID every 3 months. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CathSource | BifurcAID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (23 ratings)](https://appshunter.io/ios/app/cathsource/id420847275/reviews) | **[5.0 (16 ratings)](https://appshunter.io/ios/app/bifurcaid/id1287636020/reviews)** |
| Number of ratings | **23** | 16 |
| Positive reviews | 38.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 79 MB | 55 MB |
| Requires iOS | 18.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [ECGsource LLC](https://appshunter.io/developer/377139096) | [Icahn School of Medicine at Mount Sinai](https://appshunter.io/developer/972625667) |

## 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


### BifurcAID

[App page](https://appshunter.io/ios/app/bifurcaid/id1287636020)

This educational tool provides step-by-step visual guidance for performing coronary bifurcation interventions. It is designed to help medical professionals learn and practice complex procedures.

**Highlights:** Step-by-step illustrations, Coronary bifurcation intervention guidance, Educational tool for medical professionals, Visual learning aid

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CathSource free?

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

### Is BifurcAID free?

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

### Which has better reviews, CathSource or BifurcAID?

BifurcAID is rated higher. CathSource averages 1.6 out of 5 from 23 ratings, while BifurcAID averages 5.0 from 16 ratings.

### Do CathSource or BifurcAID have ads?

Neither CathSource nor BifurcAID shows ads.

### Which is updated more often, CathSource or BifurcAID?

CathSource ships an update every 2 months, and BifurcAID every 3 months. Most recently, CathSource was updated on October 12, 2026 and BifurcAID on October 6, 2026.

---

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