# IOStrip vs Simple Pool

The clearest difference is in-app purchases: IOStrip at none against Simple Pool's 1. Simple Pool's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Simple Pool sells 1 one-off in-app purchase. IOStrip asks for nothing beyond the download.

## The numbers

| Metric | IOStrip | Simple Pool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (21 ratings)](https://appshunter.io/ios/app/simple-pool-chemistry-and-math/id6744664712/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 6 days |
| Monetization | — | Free with in-app purchases |
| Size | 39 MB | 29 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [IoTCo](https://appshunter.io/developer/1545834210) | [Grey Park, LLC](https://appshunter.io/developer/1739831354) |

## What reviewers say

### IOStrip

[App page](https://appshunter.io/ios/app/iostrip/id1633651493)

**In-app purchases:** none


### Simple Pool

[App page](https://appshunter.io/ios/app/simple-pool-chemistry-and-math/id6744664712)

This app helps you precisely test, dose, and track your pool and spa water chemistry. It offers practical dosing recommendations and tools to simplify routine maintenance for various pool types. Get accurate chemical calculations without ongoing fees.

**Highlights:** Water test logging, Dosing recommendations, Chemical tracking, LSI/CSI monitoring, Shock treatment mode, Test reminders, Chemical effects preview

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SimplePool - Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is IOStrip free?

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

### Is Simple Pool free?

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

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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.*