# ERG 2020 vs ERG for iOS

The clearest difference is rating: ERG for iOS at 4.8 against ERG 2020's 4.1. ERG for iOS also leads on review sentiment (100% vs 71%) and chart position (#148 vs unranked). On price, ratings volume, update cadence and ads 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 4.1. Both are backed by a comparable volume of ratings — 54 and 64 respectively. Written reviews point the same way: 71% of ERG 2020's written reviews are positive against 100% of ERG for iOS's.

ERG 2020 ships an update every 8 months, ERG for iOS every 4 months. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ERG 2020 | ERG for iOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (54 ratings)](https://appshunter.io/ios/app/erg-2020/id592158838/reviews) | **[4.8 (64 ratings)](https://appshunter.io/ios/app/erg-for-ios/id1597142669/reviews)** |
| Number of ratings | 54 | **64** |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Free | Free |
| Best chart rank | — | **#148** |
| Size | 51 MB | 27 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [National Library of Medicine](https://appshunter.io/developer/352646071) | [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820) |

## What reviewers say

### ERG 2020

[App page](https://appshunter.io/ios/app/erg-2020/id592158838)

This app provides first responders with critical information for hazmat accidents. It offers an indexed list of dangerous goods, their hazards, and safety precautions to guide immediate response efforts.

**Highlights:** Indexed list of dangerous goods, Associated ID numbers, General hazard information, Recommended safety precautions, Protective distance mapping, Data link sharing

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

**In-app purchases:** none


### ERG for iOS

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

**Currently charting:** #148 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


## Frequently asked questions

### Is ERG 2020 free?

ERG 2020 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, ERG 2020 or ERG for iOS?

ERG for iOS is rated higher. ERG 2020 averages 4.1 out of 5 from 54 ratings, while ERG for iOS averages 4.8 from 64 ratings.

### Do ERG 2020 or ERG for iOS have ads?

Neither ERG 2020 nor ERG for iOS shows ads.

### Which is updated more often, ERG 2020 or ERG for iOS?

ERG 2020 ships an update every 8 months, and ERG for iOS every 4 months. Most recently, ERG 2020 was updated on October 23, 2026 and ERG for iOS on October 30, 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.*