# HAZMAT R2K vs CHLOREP

HAZMAT R2K and CHLOREP are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

HAZMAT R2K ships an update every 3 months, CHLOREP every 5 months. The most recent releases landed on September 14, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | HAZMAT R2K | CHLOREP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chlorep/id1490929632/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | — | Free |
| Size | 37 MB | 61 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paresco Solutions](https://appshunter.io/developer/1395239135) | [Chlorine Institute](https://appshunter.io/developer/1490929631) |

## What reviewers say

### HAZMAT R2K

[App page](https://appshunter.io/ios/app/hazmat-r2k/id1395278413)

**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 HAZMAT R2K free?

HAZMAT R2K is free to download, with no in-app purchases.

### Is CHLOREP free?

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

### Do HAZMAT R2K or CHLOREP have ads?

Neither HAZMAT R2K nor CHLOREP shows ads.

### Which is updated more often, HAZMAT R2K or CHLOREP?

HAZMAT R2K ships an update every 3 months, and CHLOREP every 5 months. Most recently, HAZMAT R2K was updated on September 14, 2026 and CHLOREP on June 11, 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.*