# CathSource vs ManageMR

The clearest difference is rating: ManageMR at 5.0 against CathSource's 1.6. ManageMR also leads on monetization model (free vs paid) and iOS requirement (13.0 vs 18.5). CathSource's advantage is update cadence (every 2 months vs every 21 months) and ratings volume (23 vs 1). 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.

ManageMR holds the better App Store score, 5.0 against 1.6. That said, the two scores are not equally well evidenced: CathSource has 23 ratings behind it against 1, so its average is the more settled of the two.

CathSource ships an update every 2 months, ManageMR every 21 months. Both last shipped on October 12, 2026.

## The numbers

| Metric | CathSource | ManageMR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (23 ratings)](https://appshunter.io/ios/app/cathsource/id420847275/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/managemr/id1294761656/reviews)** |
| Number of ratings | **23** | 1 |
| Positive reviews | 38.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 21 months |
| Monetization | Paid | **Free** |
| Size | 79 MB | 58 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) | [American College of Cardiology](https://appshunter.io/developer/502174543) |

## 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


### ManageMR

[App page](https://appshunter.io/ios/app/managemr/id1294761656)

This medical app offers personalized referral and treatment guidance for mitral regurgitation patients. It analyzes echo assessment parameters to determine MR severity, etiology, and recommend appropriate interventions like valve repair or replacement.

**Highlights:** Personalized referral advice, Treatment recommendations, MR severity and etiology analysis, Mitral valve repair vs. replacement feasibility, Echo assessment parameter entry

**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 ManageMR free?

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

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

ManageMR is rated higher. CathSource averages 1.6 out of 5 from 23 ratings, while ManageMR averages 5.0 from 1 ratings.

### Do CathSource or ManageMR have ads?

Neither CathSource nor ManageMR shows ads.

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

CathSource ships an update every 2 months, and ManageMR every 21 months. Most recently, CathSource was updated on October 12, 2026 and ManageMR on October 12, 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.*