# Intubating Monkey vs Heart Failure [HF]

The clearest difference is price: Heart Failure [HF] at Free against Intubating Monkey's $1.99. Heart Failure [HF] also leads on update cadence (every 2 months vs every 13 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Heart Failure [HF] is free to download; Intubating Monkey costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Intubating Monkey ships an update every 13 months, Heart Failure [HF] every 2 months. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Intubating Monkey | Heart Failure [HF] |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/intubating-monkey/id451367656/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 50 MB | 22 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Crystal Clear Solutions](https://appshunter.io/developer/444062170) | [@Point of Care](https://appshunter.io/developer/916313675) |

## What reviewers say

### Intubating Monkey

[App page](https://appshunter.io/ios/app/intubating-monkey/id451367656)

This app provides anesthesiologists with essential formulas, tables, and calculators for various OR scenarios. It includes tools for residents and senior practitioners, covering everything from basic sizing to complex calculations like allowable blood loss and sodium correction.

**Highlights:** Anesthesia formulas and tables, LMA and endotracheal size calculator, ABG analysis, Glasgow Coma scale calculator, Drug infusion calculator, Allowable blood loss analysis

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

**In-app purchases:** none


### Heart Failure [HF]

[App page](https://appshunter.io/ios/app/heart-failure-hf/id1334849414)

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

**In-app purchases:** none


## Frequently asked questions

### Is Intubating Monkey free?

Intubating Monkey costs $1.99, with no in-app purchases.

### Is Heart Failure [HF] free?

Heart Failure [HF] is free to download, with no in-app purchases.

### Do Intubating Monkey or Heart Failure [HF] have ads?

Neither Intubating Monkey nor Heart Failure [HF] shows ads.

### Which is updated more often, Intubating Monkey or Heart Failure [HF]?

Intubating Monkey ships an update every 13 months, and Heart Failure [HF] every 2 months. Most recently, Intubating Monkey was updated on October 2, 2026 and Heart Failure [HF] on October 5, 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.*