# UN Number vs Hazmat Load  Segregation Guide

The clearest difference is price: UN Number at Free against Hazmat Load  Segregation Guide's $0.99. UN Number also leads on update cadence (every 3 months vs every 16 months). Hazmat Load  Segregation Guide's advantage is in-app purchases (none vs 5) and ratings volume (529 vs 55). On rating, review sentiment, ads and device support there is nothing between them.

UN Number is free to download; Hazmat Load  Segregation Guide costs $0.99 up front. UN Number sells 5 in-app purchases, starting at $1.99 per month. Hazmat Load  Segregation Guide asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for UN Number against 4.7 for Hazmat Load  Segregation Guide. That said, the two scores are not equally well evidenced: Hazmat Load  Segregation Guide has 529 ratings behind it against 55, so its average is the more settled of the two. Written reviews split almost evenly too, at 63% and 64% positive.

UN Number ships an update every 3 months, Hazmat Load  Segregation Guide every 16 months. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | UN Number | Hazmat Load  Segregation Guide |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (55 ratings)](https://appshunter.io/ios/app/un-number/id307373793/reviews)** | [4.7 (529 ratings)](https://appshunter.io/ios/app/hazmat-load-segregation-guide/id403827092/reviews) |
| Number of ratings | 55 | **529** |
| Positive reviews | 63.0% of reviews | **63.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 16 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#200** |
| Size | 44 MB | 39 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [ZWEIDENKER Holding GmbH](https://appshunter.io/developer/307356444) | [ThatsMyStapler Inc.](https://appshunter.io/developer/337472637) |

## What reviewers say

### UN Number

[App page](https://appshunter.io/ios/app/un-number/id307373793)

Quickly access essential information for hazardous materials emergencies. This reference guide provides detailed data based on established emergency response cards, usable even without an internet connection. It's designed for rapid retrieval of critical details in critical situations.

**Highlights:** Enter UN numbers via keypad, Quick information retrieval, Based on ERI-Cards, Offline functionality, Categorized data display, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UN⁺ Monthly | $1.99 | per month |
| UN⁺ Yearly | $17.99 | per year |
| ADR Label | $0.99 | one-time |
| Hazard Diamond | $0.99 | one-time |
| Hommel | $2.99 | one-time |


### Hazmat Load  Segregation Guide

[App page](https://appshunter.io/ios/app/hazmat-load-segregation-guide/id403827092)

**Currently charting:** #200 Top Paid · Reference (US App Store)

This app provides an easy-to-use guide for segregating hazardous materials during transport. It references DOT and IATA regulations to help determine loading and shipping requirements for different classes of hazardous goods.

**Highlights:** Segregation for Hazardous Materials tables, Class 1 Explosives Compatibility tables, DOT CFR 49 §177.848 reference, IATA Dangerous Goods Handling Regulations reference, Quick and easy interface, Source material references

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick and easy to see shippable items
- 💡 Information at your fingertips
- 👍 Helpful for meetups in remote locations
- 👍 Good for identifying compatible loads

**What reviewers complain about**

- 🤔 Limited functionality
- 🤔 Does not do much

**Reported bugs**

- App keeps crashing
- App doesn’t work for iPhone X

**Requested features**

- Include segregation flags


## Frequently asked questions

### Is UN Number free?

UN Number is free to download, with in-app purchases available.

### Is Hazmat Load  Segregation Guide free?

Hazmat Load  Segregation Guide costs $0.99, with no in-app purchases.

### Which has better reviews, UN Number or Hazmat Load  Segregation Guide?

UN Number is rated higher. UN Number averages 4.7 out of 5 from 55 ratings, while Hazmat Load  Segregation Guide averages 4.7 from 529 ratings.

### Do UN Number or Hazmat Load  Segregation Guide have ads?

Neither UN Number nor Hazmat Load  Segregation Guide shows ads.

### Which is updated more often, UN Number or Hazmat Load  Segregation Guide?

UN Number ships an update every 3 months, and Hazmat Load  Segregation Guide every 16 months. Most recently, UN Number was updated on October 23, 2026 and Hazmat Load  Segregation Guide on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*