# Pool Chem Calculator vs Pool maintenance

The clearest difference is rating: Pool Chem Calculator at 4.4 against Pool maintenance's 1.0. Pool Chem Calculator also leads on ratings volume (41 vs 1). Pool maintenance's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

Pool Chem Calculator holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Pool Chem Calculator has 41 ratings behind it against 1, so its average is the more settled of the two.

Pool Chem Calculator ships an update weekly, Pool maintenance every 2 days. The most recent releases landed on October 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Pool Chem Calculator | Pool maintenance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (41 ratings)](https://appshunter.io/ios/app/pool-chem-calculator/id1453351222/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/pool-maintenance/id6448680605/reviews) |
| Number of ratings | **41** | 1 |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 118 MB | 13 MB |
| Requires iOS | 16.6 | **16.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gunter Business Solutions Inc](https://appshunter.io/developer/1453351221) | [SALVATORE ESPOSITO](https://appshunter.io/developer/1685547551) |

## What reviewers say

### 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 |


### Pool maintenance

[App page](https://appshunter.io/ios/app/pool-maintenance/id6448680605)

This app helps pool owners manage their maintenance with automated chemical calculations, weekly routines, and helpful tips. It provides guidance for initial pool setup and offers a documentation section with FAQs.

**Highlights:** Automated anti-algae and flocculant quantity calculation, PH calculator, Weekly cleaning and maintenance routines, Daily and weekly control notifications, Pool first start-up guide, Documentation and FAQ sections

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pool Chem Calculator free?

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

### Is Pool maintenance free?

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

### Which has better reviews, Pool Chem Calculator or Pool maintenance?

Pool Chem Calculator is rated higher. Pool Chem Calculator averages 4.4 out of 5 from 41 ratings, while Pool maintenance averages 1.0 from 1 ratings.

### Do Pool Chem Calculator or Pool maintenance have ads?

Pool Chem Calculator shows ads; Pool maintenance does not.

### Which is updated more often, Pool Chem Calculator or Pool maintenance?

Pool Chem Calculator ships an update weekly, and Pool maintenance every 2 days. Most recently, Pool Chem Calculator was updated on October 29, 2026 and Pool maintenance on October 5, 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.*