# Hayward PoolComm® vs Pool Chem Calculator

The clearest difference is rating: Pool Chem Calculator at 4.4 against Hayward PoolComm®'s 3.2. Pool Chem Calculator also leads on update cadence (weekly vs every 17 months) and ratings volume (40 vs 6). Hayward PoolComm®'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment and device support there is nothing between them.

Both are free to download. Pool Chem Calculator sells 1 in-app purchase, starting at $1.99 per month. Hayward PoolComm® asks for nothing beyond the download.

Pool Chem Calculator holds the better App Store score, 4.4 against 3.2. That said, the two scores are not equally well evidenced: Pool Chem Calculator has 40 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 33% of Hayward PoolComm®'s written reviews are positive against 36% of Pool Chem Calculator's.

Hayward PoolComm® ships an update every 17 months, Pool Chem Calculator weekly. The most recent releases landed on October 21, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Hayward PoolComm® | Pool Chem Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (6 ratings)](https://appshunter.io/ios/app/hayward-poolcomm/id600090247/reviews) | **[4.4 (40 ratings)](https://appshunter.io/ios/app/pool-chem-calculator/id1453351222/reviews)** |
| Number of ratings | 6 | **40** |
| Positive reviews | 33.3% of reviews | **36.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 118 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hayward Industries, inc.](https://appshunter.io/developer/712555313) | [Gunter Business Solutions Inc](https://appshunter.io/developer/1453351221) |

## What reviewers say

### Hayward PoolComm®

[App page](https://appshunter.io/ios/app/hayward-poolcomm/id600090247)

Manage multiple commercial pools and spas remotely from your iPhone. Monitor water quality, adjust pH and ORP, and generate compliance documentation. Receive real-time alerts for issues and identify patterns to optimize maintenance.

**Highlights:** Remote system control, Monitor multiple facilities, Real-time pH/ORP detection, Color-coded alarm display, Email/text notifications, Labor cost savings, Pattern identification

**In-app purchases:** none


### Pool Chem Calculator

[App page](https://appshunter.io/ios/app/pool-chem-calculator/id1453351222)

This app helps manage pool chemistry with 24 specialized calculators for dosing, pH, and more. It features a customizable maintenance calendar, equipment tracking, and easy report sharing for up to 100 pools. Ideal for maintaining a clean and swim-ready pool.

**Highlights:** 24 precision pool chemical calculators, Customizable maintenance calendar with notifications, Equipment tracking and management, Multi-user pool sharing, Professional report builder, Smart pool route mapping

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Pool Subscription | $1.99 | per month |


## Frequently asked questions

### Is Hayward PoolComm® free?

Hayward PoolComm® is free to download, with no in-app purchases.

### Is Pool Chem Calculator free?

Pool Chem Calculator is free to download, with in-app purchases available.

### Which has better reviews, Hayward PoolComm® or Pool Chem Calculator?

Pool Chem Calculator is rated higher. Hayward PoolComm® averages 3.2 out of 5 from 6 ratings, while Pool Chem Calculator averages 4.4 from 40 ratings.

### Do Hayward PoolComm® or Pool Chem Calculator have ads?

Pool Chem Calculator shows ads; Hayward PoolComm® does not.

### Which is updated more often, Hayward PoolComm® or Pool Chem Calculator?

Hayward PoolComm® ships an update every 17 months, and Pool Chem Calculator weekly. Most recently, Hayward PoolComm® was updated on October 21, 2026 and Pool Chem Calculator on October 26, 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.*