# Pool Chemistry vs Pool

The clearest difference is in-app purchases: Pool at none against Pool Chemistry's 3. Pool also leads on iOS requirement (15.0 vs 18). On price, ads and device support there is nothing between them.

Both are free to download. Pool Chemistry sells 3 in-app purchases, starting at $4.99 per month. Pool asks for nothing beyond the download.

## The numbers

| Metric | Pool Chemistry | Pool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pool-proof/id6761028109/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | — | Free |
| Size | 9 MB | 3 MB |
| Requires iOS | 18 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Karol Jaworski](https://appshunter.io/developer/1799974477) | [Brandon Currie](https://appshunter.io/developer/1887377079) |

## What reviewers say

### Pool Chemistry

[App page](https://appshunter.io/ios/app/pool-chemistry-chlor/id6759573566)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chlor Pro Monthly | $4.99 | per month |
| Chlor Pro Yearly | $39.99 | per year |
| Chlor Pro Yearly Promo | $39.99 | per year |


### Pool

[App page](https://appshunter.io/ios/app/pool-proof/id6761028109)

This app guides users through spa and hot tub water chemistry using a professional-grade test kit methodology. It ensures the correct order of chemical additions, provides precise dose recommendations, and calculates the LSI score for optimal water balance. The app is designed for poolside use with a focus on privacy and safety.

**Highlights:** Step-by-step chemical balancing, Precise dose calculations, LSI score calculation, Chlorine and bromine modes, Wet-hand friendly interface, Local data storage, Safety guardrails

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pool Chemistry free?

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

### Is Pool free?

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

### Do Pool Chemistry or Pool have ads?

Neither Pool Chemistry nor Pool shows ads.

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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.*