# Smart Chlorinator vs SLACE

The clearest difference is ads: Smart Chlorinator at none against SLACE's shown. Smart Chlorinator also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, 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.

Smart Chlorinator ships an update every 6 days, SLACE weekly. The most recent releases landed on May 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Smart Chlorinator | SLACE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Weekly |
| Size | 30 MB | 92 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [FOSHAN SUNDREAM ELECTRONICS CO.LTD](https://appshunter.io/developer/1703947862) | [SLACE GmbH](https://appshunter.io/developer/1731107626) |

## What reviewers say

### Smart Chlorinator

[App page](https://appshunter.io/ios/app/smart-chlorinator/id6469689129)

**Features:** macOS Compatibility

**In-app purchases:** none


### SLACE

[App page](https://appshunter.io/ios/app/slace/id6738277499)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Chlorinator free?

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

### Is SLACE free?

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

### Do Smart Chlorinator or SLACE have ads?

SLACE shows ads; Smart Chlorinator does not.

### Which is updated more often, Smart Chlorinator or SLACE?

Smart Chlorinator ships an update every 6 days, and SLACE weekly. Most recently, Smart Chlorinator was updated on May 17, 2026 and SLACE on September 11, 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.*