# HazMat Informer vs Comdata App

The clearest difference is rating: Comdata App at 4.4 against HazMat Informer's 2.3. Comdata App also leads on update cadence (every 3 weeks vs every 2 months) and ratings volume (46 vs 6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Comdata App holds the better App Store score, 4.4 against 2.3. That said, the two scores are not equally well evidenced: Comdata App has 46 ratings behind it against 6, so its average is the more settled of the two.

HazMat Informer ships an update every 2 months, Comdata App every 3 weeks. The most recent releases landed on September 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | HazMat Informer | Comdata App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (6 ratings)](https://appshunter.io/ios/app/hazmat-informer/id960522129/reviews) | **[4.4 (46 ratings)](https://appshunter.io/ios/app/comdata-app/id6748416051/reviews)** |
| Number of ratings | 6 | **46** |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 18 MB | 266 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Transportation Performance Inc](https://appshunter.io/developer/950574939) | [CORPAY TECHNOLOGIES OPERATING COMPANY, LLC](https://appshunter.io/developer/410012814) |

## What reviewers say

### HazMat Informer

[App page](https://appshunter.io/ios/app/hazmat-informer/id960522129)

This app helps truckers determine the correct hazardous materials placard for their trailers based on loaded items. It also provides one-click access to the Emergency Response Guide (ERG) for transported materials and includes a section on identifying hazardous materials.

**Highlights:** Determine proper hazmat placard, Access Emergency Response Guide (ERG), Automated briefing, Identify hazardous materials section, Carrier membership required for unlimited use

**Features:** macOS Compatibility

**In-app purchases:** none


### Comdata App

[App page](https://appshunter.io/ios/app/comdata-app/id6748416051)

Manage fleet cards, view balances, and track transactions. This app allows users to set/reset PINs, manage multiple cards, and perform peer-to-peer transfers. It also facilitates bank account management and ATM withdrawals.

**Highlights:** Set/reset card PIN, Manage multiple cards, View balances and transaction history, Peer-to-peer transfers, Add/update bank account info, ATM withdrawals

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HazMat Informer free?

HazMat Informer is free to download, with no in-app purchases.

### Is Comdata App free?

Comdata App is free to download, with no in-app purchases.

### Which has better reviews, HazMat Informer or Comdata App?

Comdata App is rated higher. HazMat Informer averages 2.3 out of 5 from 6 ratings, while Comdata App averages 4.4 from 46 ratings.

### Do HazMat Informer or Comdata App have ads?

Neither HazMat Informer nor Comdata App shows ads.

### Which is updated more often, HazMat Informer or Comdata App?

HazMat Informer ships an update every 2 months, and Comdata App every 3 weeks. Most recently, HazMat Informer was updated on September 6, 2026 and Comdata App on September 21, 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.*