# HazMatch® Protective Guide vs CHLOREP

The clearest difference is rating: CHLOREP at 5.0 against HazMatch® Protective Guide's 4.7. HazMatch® Protective Guide's advantage is iOS requirement (13.0 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

CHLOREP holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HazMatch® Protective Guide | CHLOREP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/hazmatch-protective-guide/id508819726/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chlorep/id1490929632/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Free | Free |
| Size | 10 MB | 61 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kappler Inc.](https://appshunter.io/developer/508819849) | [Chlorine Institute](https://appshunter.io/developer/1490929631) |

## What reviewers say

### HazMatch® Protective Guide

[App page](https://appshunter.io/ios/app/hazmatch-protective-guide/id508819726)

This tool helps users select appropriate protective apparel based on chemical or biohazard risks. It provides detailed product information and allows saving search results for OSHA compliance. Ideal for professionals handling hazardous materials.

**Highlights:** Chemical hazard assessment, Biohazard risk selection, Protective garment recommendations, Searchable chemical database, Save search results, Detailed product information

**Features:** macOS Compatibility

**In-app purchases:** none


### CHLOREP

[App page](https://appshunter.io/ios/app/chlorep/id1490929632)

This app provides rapid access to critical information and expert support for chlorine emergencies. It connects responders with industry expertise and resources for effective incident management. Designed for a limited group of authorized users.

**Highlights:** Emergency response information, Expert support via telephone, Deployment of emergency equipment, Access to CHLOREP Handbook, Team contact information, Network of response teams

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HazMatch® Protective Guide free?

HazMatch® Protective Guide is free to download, with no in-app purchases.

### Is CHLOREP free?

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

### Which has better reviews, HazMatch® Protective Guide or CHLOREP?

CHLOREP is rated higher. HazMatch® Protective Guide averages 4.7 out of 5 from 3 ratings, while CHLOREP averages 5.0 from 2 ratings.

### Do HazMatch® Protective Guide or CHLOREP have ads?

Neither HazMatch® Protective Guide nor CHLOREP shows ads.

### Which is updated more often, HazMatch® Protective Guide or CHLOREP?

HazMatch® Protective Guide ships an update every 5 months, and CHLOREP every 5 months. Most recently, HazMatch® Protective Guide was updated on November 1, 2026 and CHLOREP on November 3, 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.*