# CHLOREP vs Commonwealth Tower

The clearest difference is update cadence: Commonwealth Tower at every 6 weeks against CHLOREP's every 5 months. On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 5.0 for CHLOREP against 5.0 for Commonwealth Tower. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

CHLOREP ships an update every 5 months, Commonwealth Tower every 6 weeks. The most recent releases landed on September 25, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | CHLOREP | Commonwealth Tower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/chlorep/id1490929632/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/commonwealth-tower/id1630164194/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 61 MB | 107 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Chlorine Institute](https://appshunter.io/developer/1490929631) | [Commonwealth Tower, LP](https://appshunter.io/developer/1630164196) |

## What reviewers say

### 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


### Commonwealth Tower

[App page](https://appshunter.io/ios/app/commonwealth-tower/id1630164194)

Explore your building's amenities, events, and community. Manage your schedule, connect with others, and access services conveniently from your mobile device. Enhance your work and living experience.

**Highlights:** Discover building amenities, Attend and save events, Exercise and dining access, Connect with people, On-the-go management

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is CHLOREP free?

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

### Is Commonwealth Tower free?

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

### Which has better reviews, CHLOREP or Commonwealth Tower?

CHLOREP and Commonwealth Tower are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do CHLOREP or Commonwealth Tower have ads?

Neither CHLOREP nor Commonwealth Tower shows ads.

### Which is updated more often, CHLOREP or Commonwealth Tower?

CHLOREP ships an update every 5 months, and Commonwealth Tower every 6 weeks. Most recently, CHLOREP was updated on September 25, 2026 and Commonwealth Tower on September 16, 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.*