# My GMI vs ERC Guidelines

The clearest difference is update cadence: My GMI at every 3 weeks against ERC Guidelines's every 5 months. 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.

My GMI ships an update every 3 weeks, ERC Guidelines every 5 months. The most recent releases landed on September 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | My GMI | ERC Guidelines |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 39 MB | 51 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Dcentric Health Ltd](https://appshunter.io/developer/1501300893) | [European Resuscitation Council](https://appshunter.io/developer/1281534179) |

## What reviewers say

### My GMI

[App page](https://appshunter.io/ios/app/my-gmi/id6740309112)

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

**In-app purchases:** none


### ERC Guidelines

[App page](https://appshunter.io/ios/app/erc-guidelines/id6752244545)

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

**In-app purchases:** none


## Frequently asked questions

### Is My GMI free?

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

### Is ERC Guidelines free?

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

### Do My GMI or ERC Guidelines have ads?

Neither My GMI nor ERC Guidelines shows ads.

### Which is updated more often, My GMI or ERC Guidelines?

My GMI ships an update every 3 weeks, and ERC Guidelines every 5 months. Most recently, My GMI was updated on September 21, 2026 and ERC Guidelines on October 7, 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.*