# ERG for iOS vs AzCHER

The clearest difference is ratings volume: ERG for iOS at 64 against AzCHER's 2. ERG for iOS also leads on chart position (#127 vs unranked) and iOS requirement (12.0 vs 18.6). AzCHER's advantage is rating (5.0 vs 4.8). On price, review sentiment, 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.

AzCHER holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ERG for iOS has 64 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

ERG for iOS ships an update every 4 months, AzCHER every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | ERG for iOS | AzCHER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (64 ratings)](https://appshunter.io/ios/app/erg-for-ios/id1597142669/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/azcher/id1598978999/reviews)** |
| Number of ratings | **64** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Best chart rank | **#127** | — |
| Size | 27 MB | 55 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) | [Arizona Hospital And Healthcare Association](https://appshunter.io/developer/1454557038) |

## What reviewers say

### ERG for iOS

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

**Currently charting:** #127 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


### AzCHER

[App page](https://appshunter.io/ios/app/azcher/id1598978999)

Facilitates communication and resource sharing among Arizona healthcare organizations during emergencies. Enables seamless cooperation to maintain optimal healthcare services when normal operations are disrupted.

**Highlights:** Emergency communication streams, Resource sharing processes, Inter-organizational collaboration, Disaster preparedness, Healthcare service continuity

**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 AzCHER free?

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

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

AzCHER is rated higher. ERG for iOS averages 4.8 out of 5 from 64 ratings, while AzCHER averages 5.0 from 2 ratings.

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

Neither ERG for iOS nor AzCHER shows ads.

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

ERG for iOS ships an update every 4 months, and AzCHER every 2 months. Most recently, ERG for iOS was updated on November 3, 2026 and AzCHER on November 3, 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.*