# CathDoc vs Cath Lab Hero

CathDoc and Cath Lab Hero are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CathDoc ships an update every 3 weeks, Cath Lab Hero fortnightly. The most recent releases landed on September 25, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | CathDoc | Cath Lab Hero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cath-lab-hero/id6759631073/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 12 MB | 6 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Lumen Innovations, LLC](https://appshunter.io/developer/1489598636) | [OJCmed LLC](https://appshunter.io/developer/1879942661) |

## What reviewers say

### CathDoc

[App page](https://appshunter.io/ios/app/cathdoc/id6757081293)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cath Lab Hero

[App page](https://appshunter.io/ios/app/cath-lab-hero/id6759631073)

This clinical calculator assists cardiologists and trainees in interpreting right heart catheterization data. It rapidly transforms hemodynamic measurements into actionable clinical insights, aiding in complex calculations and confident interpretation at the point of care.

**Highlights:** Right heart cath analysis, Hemodynamic parameter computation, Shunt assessment (Qp:Qs), Aortic valve area calculation, Supports cath lab and ICU use

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

**In-app purchases:** none


## Frequently asked questions

### Is CathDoc free?

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

### Is Cath Lab Hero free?

Cath Lab Hero is free to download, with no in-app purchases.

### Do CathDoc or Cath Lab Hero have ads?

Neither CathDoc nor Cath Lab Hero shows ads.

### Which is updated more often, CathDoc or Cath Lab Hero?

CathDoc ships an update every 3 weeks, and Cath Lab Hero fortnightly. Most recently, CathDoc was updated on September 25, 2026 and Cath Lab Hero on October 1, 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.*