# AskRail vs ERG for iOS

The clearest difference is rating: ERG for iOS at 4.8 against AskRail's 4.1. ERG for iOS also leads on review sentiment (100% vs 58%) and chart position (#117 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 — 37 and 64 respectively. Written reviews point the same way: 58% of AskRail's written reviews are positive against 100% of ERG for iOS's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on July 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | AskRail | ERG for iOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (37 ratings)](https://appshunter.io/ios/app/askrail/id1142325064/reviews) | **[4.8 (64 ratings)](https://appshunter.io/ios/app/erg-for-ios/id1597142669/reviews)** |
| Number of ratings | 37 | **64** |
| Positive reviews | 58.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | Free |
| Best chart rank | — | **#117** |
| Size | 44 MB | 27 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Association of American Railroads](https://appshunter.io/developer/1142325063) | [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820) |

## What reviewers say

### AskRail

[App page](https://appshunter.io/ios/app/askrail/id1142325064)

This app provides hazardous materials safety information for first responders dealing with rail incidents. It allows authorized personnel to query railcar contents and offers critical data for emergency response. Access to advanced features requires verification and railroad sponsorship.

**Highlights:** Hazardous materials safety information, Rail incident support, Query railcar contents, Emergency response data, First responder tool

**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:** #117 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 AskRail free?

AskRail 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, AskRail or ERG for iOS?

ERG for iOS is rated higher. AskRail averages 4.1 out of 5 from 37 ratings, while ERG for iOS averages 4.8 from 64 ratings.

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

Neither AskRail nor ERG for iOS shows ads.

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

AskRail ships an update every 4 months, and ERG for iOS every 4 months. Most recently, AskRail was updated on July 21, 2026 and ERG for iOS on September 22, 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.*