ERG for iOS vs KY MRC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ERG for iOS
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.
- Indexed list of dangerous goods
- ID number lookup
- General hazard information
- Recommended safety precautions
- Multi-language support (English, French, Spanish)
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PHMSA’s Emergency Response Guidebook (ERG) is the go-to resource for first responders during the initial phase of a dangerous goods or hazardous materials transportation incident. The ERG app is a valuable companion, based on the latest edition of the ERG, to help responders quickly access critical information at their fingertips. The app features an indexed list of dangerous goods, including their associated ID number, general hazards, and recommended safety precautions. In practical scenarios, such as responding to an overturned tractor trailer displaying a DOT hazmat placard, emergency responders can use the app to quickly identify the material associated with the placard and get guidance on how to respond effectively. Full versions available in English, French, and Spanish.
KY MRC
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KY MRC provides Kentucky Medical Reserve Corps (MRC) volunteers with essential resources and guidance to enable them to support community safety, public health, and emergency response efforts. Volunteers can access relevant news, articles, videos, events, eGuides, and more. Alerts, checklists, and assessments also allow for advanced planning, training, and organization to better prepare MRC volunteers to respond to future events.
Screenshots
Verdict
The clearest difference is chart position: ERG for iOS at #150 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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | ERG for iOS | KY MRC |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (64 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 64 — better | — |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | #150 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 27 MB | 53 MB |
| Age rating | 12+ | 4+ |
| Developer | Pipeline and Hazardous Materials Safety Administration | Kentucky Cabinet for Health and Family Services |
In-app purchases
ERG for iOS
No in-app purchases
KY MRC
No in-app purchases
