# FMCSRs vs ERG for iOS

The clearest difference is rating: ERG for iOS at 4.8 against FMCSRs's 3.7. ERG for iOS also leads on ratings volume (65 vs 3). 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 holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: ERG for iOS has 65 ratings behind it against 3, so its average is the more settled of the two.

FMCSRs ships an update every 6 months, ERG for iOS every 4 months. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FMCSRs | ERG for iOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/fmcsrs/id1501538215/reviews) | **[4.8 (65 ratings)](https://appshunter.io/ios/app/erg-for-ios/id1597142669/reviews)** |
| Number of ratings | 3 | **65** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 46 MB | 27 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Michael Leizerman](https://appshunter.io/developer/1501538214) | [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820) |

## What reviewers say

### FMCSRs

[App page](https://appshunter.io/ios/app/fmcsrs/id1501538215)

Access a fully searchable database of FMCSRs offline. This reference app provides regulations from Leizerman & Associates, developed by an attorney to solve connectivity issues. It's free with an email address.

**Highlights:** Offline access to FMCSRs, Fully searchable database, Updated regulations, Developed by an attorney, Free with email

**Features:** macOS Compatibility

**In-app purchases:** none


### ERG for iOS

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

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


## Frequently asked questions

### Is FMCSRs free?

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

### Is ERG for iOS free?

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

### Which has better reviews, FMCSRs or ERG for iOS?

ERG for iOS is rated higher. FMCSRs averages 3.7 out of 5 from 3 ratings, while ERG for iOS averages 4.8 from 65 ratings.

### Do FMCSRs or ERG for iOS have ads?

Neither FMCSRs nor ERG for iOS shows ads.

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

FMCSRs ships an update every 6 months, and ERG for iOS every 4 months. Most recently, FMCSRs was updated on October 7, 2026 and ERG for iOS on October 25, 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.*