# ERG for iOS vs KY MRC

The clearest difference is chart position: ERG for iOS at #139 against KY MRC's unranked. ERG for iOS also leads on iOS requirement (12.0 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

ERG for iOS ships an update every 4 months, KY MRC every 3 months. The most recent releases landed on November 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ERG for iOS | KY MRC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (64 ratings)](https://appshunter.io/ios/app/erg-for-ios/id1597142669/reviews)** | — |
| Number of ratings | **64** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Best chart rank | **#139** | — |
| Size | 27 MB | 53 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820) | [Kentucky Cabinet for Health and Family Services](https://appshunter.io/developer/1811830160) |

## What reviewers say

### ERG for iOS

[App page](https://appshunter.io/ios/app/erg-for-ios/id1597142669)

**Currently charting:** #139 Top Free · Reference (US App Store)

This app provides first responders with quick access to critical information for hazardous materials transportation incidents. It features an indexed list of dangerous goods, including ID numbers, hazards, and safety precautions, aiding in effective response.

**Highlights:** Indexed list of dangerous goods, ID number lookup, General hazard information, Recommended safety precautions, Multi-language support (English, French, Spanish)

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

**In-app purchases:** none


### KY MRC

[App page](https://appshunter.io/ios/app/ky-mrc/id6745339783)

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

**In-app purchases:** none


## Frequently asked questions

### Is ERG for iOS free?

ERG for iOS is free to download, with no in-app purchases.

### Is KY MRC free?

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

### Do ERG for iOS or KY MRC have ads?

Neither ERG for iOS nor KY MRC shows ads.

### Which is updated more often, ERG for iOS or KY MRC?

ERG for iOS ships an update every 4 months, and KY MRC every 3 months. Most recently, ERG for iOS was updated on November 3, 2026 and KY MRC on October 18, 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.*