# MHApp vs Magnet Master

The clearest difference is price: MHApp at Free against Magnet Master's $4.99. MHApp also leads on update cadence (every 3 weeks vs every 13 months) and iOS requirement (13.0 vs 17.6). Magnet Master's advantage is rating (4.9 vs 4.1) and review sentiment (100% vs 67%). On ads, in-app purchases and device support there is nothing between them.

MHApp is free to download; Magnet Master costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Magnet Master holds the better App Store score, 4.9 against 4.1. That said, the two scores are not equally well evidenced: Magnet Master has 112 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 67% of MHApp's written reviews are positive against 100% of Magnet Master's.

MHApp ships an update every 3 weeks, Magnet Master every 13 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | MHApp | Magnet Master |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.1 (9 ratings)](https://appshunter.io/ios/app/mhapp-malignant-hyperthermia/id392766134/reviews) | **[4.9 (112 ratings)](https://appshunter.io/ios/app/magnet-master/id1244437839/reviews)** |
| Number of ratings | 9 | **112** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 13 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#199** |
| Size | 4 MB | 1 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Girard Development GmbH](https://appshunter.io/developer/392766137) | [Busy Being Born Solutions, LLC](https://appshunter.io/developer/430201881) |

## What reviewers say

### MHApp

[App page](https://appshunter.io/ios/app/mhapp-malignant-hyperthermia/id392766134)

This app simulates malignant hyperthermia crises, guiding users through acute management and recording actions. It also provides educational information on MH and related topics, developed by international experts.

**Highlights:** Simulates MH crises, Guides acute management, Records actions and doses, Exports log files, Clinical grading score (CGS), Educational MH information

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

**In-app purchases:** none


### Magnet Master

[App page](https://appshunter.io/ios/app/magnet-master/id1244437839)

**Currently charting:** #199 Top Paid · Medical (US App Store)

This app helps perioperative cardiac device management planning for surgeries involving electrocautery. It generates a personalized plan based on patient profiles and surgical details, offering guidance on device magnets and reprogramming. It also provides information on device responses to magnets and manufacturer contacts.

**Highlights:** Perioperative cardiac device management planning, Patient profile creation, Electrocautery guidance, Device magnet and reprogramming recommendations, Device response to magnet information, Manufacturer contact details, Shareable reports (email, text, print)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MHApp free?

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

### Is Magnet Master free?

Magnet Master costs $4.99, with no in-app purchases.

### Which has better reviews, MHApp or Magnet Master?

Magnet Master is rated higher. MHApp averages 4.1 out of 5 from 9 ratings, while Magnet Master averages 4.9 from 112 ratings.

### Do MHApp or Magnet Master have ads?

Neither MHApp nor Magnet Master shows ads.

### Which is updated more often, MHApp or Magnet Master?

MHApp ships an update every 3 weeks, and Magnet Master every 13 months. Most recently, MHApp was updated on October 24, 2026 and Magnet Master on October 26, 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.*