# Ionizer vs WaterLink Home

The clearest difference is update cadence: WaterLink Home at every 6 weeks against Ionizer's every 55 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ionizer ships an update every 55 months, WaterLink Home every 6 weeks. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Ionizer | WaterLink Home |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (86 ratings)](https://appshunter.io/ios/app/waterlink-home/id1500943677/reviews)** |
| Number of ratings | — | **86** |
| Positive reviews | — | 28.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 1 MB | 130 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Atlantic Water Gardens](https://appshunter.io/developer/1139219423) | [LaMotte Chemical Products Company](https://appshunter.io/developer/975652461) |

## What reviewers say

### Ionizer

[App page](https://appshunter.io/ios/app/ionizer/id1187504476)

**Features:** macOS Compatibility

**In-app purchases:** none


### WaterLink Home

[App page](https://appshunter.io/ios/app/waterlink-home/id1500943677)

This app provides detailed water analysis for pools and spas, offering step-by-step treatment recommendations. It supports multiple testing methods and allows customization of chemicals and dosage rates. Connect with professionals for tailored advice.

**Highlights:** Pool and spa water analysis, Step-by-step treatment recommendations, Multiple supported test methods, Customizable chemical and dosage rates, Historical test data storage, Connect with pool professionals

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

**In-app purchases:** none


## Frequently asked questions

### Is Ionizer free?

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

### Is WaterLink Home free?

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

### Do Ionizer or WaterLink Home have ads?

Neither Ionizer nor WaterLink Home shows ads.

### Which is updated more often, Ionizer or WaterLink Home?

Ionizer ships an update every 55 months, and WaterLink Home every 6 weeks. Most recently, Ionizer was updated on October 26, 2026 and WaterLink Home on October 29, 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.*