ERG for iOS vs CIS Connect
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.
CIS Connect
This app provides first responders with real-time situational awareness, integrating CAD data, unit status, and call details. It offers live mapping, status updates, and instant notifications to keep teams synchronized and informed in the field.
- Live CAD data integration
- Unit status and AVL tracking
- Real-time call details
- Live mapping of units and calls
- Instant status updates
- Automatic CAD-to-mobile updates
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CIS Connect delivers situational awareness and safer, faster response for first responders by integrating live CAD data, unit status/AVL, and critical call details into a streamlined mobile experience. View live call for service details, receive live updates, map view of units in the field, and update unit status. A Smarter Way to Stay Connected in the Field Our new mobile app gives first responders real-time visibility into what’s happening around them. Whether it’s your assigned call or another active incident nearby, the app keeps you in sync with dispatch and your team. With live mapping, status updates, and automatic CAD-to-mobile updates, you’ll always have the latest information—right in your hand. Key Features: See Every Call – View all active calls and instantly access the ones assigned to you. Map Your Response – A live map shows your unit, other responders, and call locations so you always know what’s happening around you. Update Your Status on the Go – Change your status right from the app—no radio needed. Always Up to Date – When dispatch makes a change, it shows up instantly in the app so you never miss a detail. Built for the Job – Simple, reliable, and designed to work in high-pressure situations.
Screenshots
Verdict
The clearest difference is review sentiment: ERG for iOS at 100% against CIS Connect's 0%. ERG for iOS also leads on rating (4.8 vs 1.5) and chart position (#144 vs unranked). 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 holds the better App Store score, 4.8 against 1.5. That said, the two scores are not equally well evidenced: ERG for iOS has 64 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 100% of ERG for iOS's written reviews are positive against 0% of CIS Connect's.
ERG for iOS ships an update every 4 months, CIS Connect every 3 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | ERG for iOS | CIS Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (64 ratings) — better | 1.5 (8 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 64 — better | 8 |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #144 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 27 MB | 95 MB |
| Age rating | 12+ | 4+ |
| Developer | Pipeline and Hazardous Materials Safety Administration | Computer Information Systems |
Customer experience
ERG for iOS
CIS Connect
In-app purchases
ERG for iOS
No in-app purchases
CIS Connect
No in-app purchases






