Comparison

HazMat Reference vs HazMat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HazMat Reference

Quickly access critical information on hazardous materials for handling, storage, and incident response. Features include advanced search, sorting, and filtering of materials from key regulatory tables and guides. Offline access ensures availability in any situation.

Highlights
  • ERG 2024 data
  • NIOSH, CFR/HMT, NFPA, GHS information
  • Advanced search, sort, and filter
  • Offline access
  • NFPA Fire Diamond
  • Physical descriptions and CAS#
  • DOT incident data filter
Features
Currently charting
Read full description

Your best quick reference for hazardous materials. Includes: NIOSH, CFR/HMT, NFPA, GHS, CAMEO information. This app serves as a quick reference and educational tool for employees that are involved with the regular handling and storage or incident response of Hazardous Materials. Materials from the Hazardous Material Table (HMT) and Emergency Response Guidebook (ERG) are listed in easy to review form with advanced search, sort, and filter capabilities. Pertinent information from the HMT, ERG, NIOSH and other sources are listed with the proper placard and hazard class for each material. The Hazardous Materials Table (HMT) 49 CFR §172.101 is a list of hazardous materials by proper shipping name that governs the transportation, marking and labeling by all modes: air, water, rail, and highway. Understanding and knowing how to use information in the HMT is the first step toward compliance. The Emergency Response Guidebook (ERG) is primarily a guide to aid first responders in quickly identifying the specific or generic hazards of the material(s) involved in the incident, and protecting themselves and the general public during the initial response phase of the incident. The ERG is updated and released every 4 years by the D.O.T. No internet connection required. Find materials by name or UN Identifier. Includes information from all tables and reference pages in the ERG. Additional Features: * Filter/Sort Materials with DOT Reported Incidents in the last 12 months * History of materials - most recent or most viewed * NFPA Fire Diamond: quick visual ref for Health, Fire, Reactivity, and other hazards * Physical descriptions for most chemicals * CAS#, RTECS# with NIOSH IDLH and exposure information * Quicksort by UN ID#, guide #, name or number of incidents

About

HazMat

This app provides a quick reference for hazardous materials, serving as an educational tool for handling, storage, and incident response. It functions offline, making it accessible without an internet connection.

Highlights
  • Hazardous materials reference
  • ERG 2024 guide
  • Incident response tool
  • Handling and storage information
  • Offline functionality
Features
Read full description

Handy hazardous materials reference app. ERG 2024. This application is a great educational tool and can be used as a quick reference for everyone involved with the regular handling and storage or incident response of Hazardous Materials. The app works in offline mode, no internet connection required. Check it out! Privacy Policy https://telegra.ph/Privacy-Policy-10-27-13 Terms and Conditions https://telegra.ph/Terms-and-Conditions-01-17

Screenshots

HazMat Reference4 screens
HazMat4 screens

Verdict

The call

HazMat Reference and HazMat both sit at 4.8 stars, but that hides the real split: 96% of HazMat Reference's written reviews are positive against 20% of HazMat's. HazMat Reference also leads on in-app purchases (none vs 3) and chart position (#29 vs unranked). HazMat's advantage is price (Free vs $4.99). On rating, ratings volume, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

HazMat is free to download; HazMat Reference costs $4.99 up front. HazMat sells 3 in-app purchases, starting at $4.99 per 7 days. HazMat Reference asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

HazMat Reference holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 1.8K and 1K respectively. Written reviews point the same way: 96% of HazMat Reference's written reviews are positive against 20% of HazMat's.

UpkeepUpdate frequency

HazMat Reference ships an update every 4 months, HazMat every 2 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

Scorecard6 real differences · 5 level
HazMat Reference versus HazMat: the parameters behind the verdict, then further details
ParameterHazMat ReferenceHazMat
Price$4.99Free — better
Rating4.8 (1.8K ratings) — better4.6 (1K ratings)
Positive reviews95.9% of reviews — better20.0% of reviews
Number of ratings1.8K — better1K
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#29 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better18.6
Further details — not scored
Size75 MB4 MB
Age rating12+4+
DeveloperThatsMyStapler Inc.Volodymyr Oliennikov

Customer experience

HazMat Reference

All ratings1,723 ratings
Positive96.4%
Neutral1.7%
Negative1.9%
Written reviews170 reviews
Positive95.9%
Neutral2.4%
Negative1.8%

HazMat

All ratings1,040 ratings
Positive91.0%
Neutral4.2%
Negative4.8%
Written reviews25 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

User reviews

HazMat Reference

From 1.8K App Store ratings

What we love

  • 💡 Excellent tool
  • 🚀 Saves time
  • 👍 Handy app
  • 👍 User-friendly
  • 👍 Great resource

Room to improve

  • 🐛 Closed unexpectedly
  • 🐛 Outdated information
  • 👎 Color of distance pages makes it unreadable
  • 👎 User interface not great

HazMat

From 1K App Store ratings

What we love

  • 🚀 Handy for hazmat training
  • 👍 Very informative

Room to improve

  • 🐛 App is outdated
  • 💰 Requires paid upgrade to access full content
  • 🔍 Difficult to navigate and use

Bugs and requests

HazMat Reference

Reported bugs

1 issue
  • Bulk packaging information part of CFR 49 won't load

Requested features

2 requests
  • Format for larger phones
  • Ability to print guide or reference material

HazMat

Reported bugs

2 issues
  • Table 1 link does not work as expected
  • Search function does not find important content

Requested features

2 requests
  • Update app with latest 2024 version
  • Improve navigation and accessibility

In-app purchases

None

HazMat Reference

No in-app purchases

3 purchases

HazMat

Subscriptions2
  • Premium - Weekly3 Days trial$4.997 Days
  • Premium - Yearly$14.991 Year
One-time1
  • Premium Access - Lifetime$29.99

Questions

Is HazMat Reference free?
HazMat Reference costs $4.99, with no in-app purchases.
Is HazMat free?
HazMat is free to download, with in-app purchases available.
Which has better reviews, HazMat Reference or HazMat?
HazMat Reference is rated higher. HazMat Reference averages 4.8 out of 5 from 1.8K ratings, while HazMat averages 4.6 from 1K ratings.
Do HazMat Reference or HazMat have ads?
Neither HazMat Reference nor HazMat shows ads.
Which is updated more often, HazMat Reference or HazMat?
HazMat Reference ships an update every 4 months, and HazMat every 2 months. Most recently, HazMat Reference was updated on November 6, 2026 and HazMat on November 7, 2026.

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