TVA Safe Work vs ERG for iOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TVA Safe Work
Access essential safety procedures and documentation for work tasks. This app provides TVA employees and contractors with quick, portable access to the latest safety documents, helping to mitigate risks associated with potential hazards.
- View safety procedures
- Access hazard documentation
- Portable safety information
- Latest published documents
- For TVA employees and contractors
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Safe Work Mobile is an application that allows end users to view key safety procedures and documentation pertaining to potential hazards that may be encountered during the completion of work tasks. This application is intended to allow TVA employees and contractors to have fast and portable access to the latest published TVA safety documents.
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.
Screenshots
Verdict
The clearest difference is update cadence: ERG for iOS at every 4 months against TVA Safe Work's every 59 months. ERG for iOS also leads on ratings volume (64 vs 4) and chart position (#190 vs unranked). TVA Safe Work's advantage is rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model 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.
TVA Safe Work 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 4, so its average is the more settled of the two.
TVA Safe Work ships an update every 59 months, ERG for iOS every 4 months. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.
| Parameter | TVA Safe Work | ERG for iOS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.8 (64 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 4 | 64 — better |
| Update frequency | Every 59 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #190 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 51 MB | 27 MB |
| Age rating | 4+ | 12+ |
| Developer | Tennessee Valley Authority | Pipeline and Hazardous Materials Safety Administration |
Customer experience
TVA Safe Work
ERG for iOS
In-app purchases
TVA Safe Work
No in-app purchases
ERG for iOS
No in-app purchases
Questions
Is TVA Safe Work free?
Is ERG for iOS free?
Which has better reviews, TVA Safe Work or ERG for iOS?
Do TVA Safe Work or ERG for iOS have ads?
Which is updated more often, TVA Safe Work or ERG for iOS?
Other comparisons
