# VT vs Smart Chlorinator

The clearest difference is update cadence: Smart Chlorinator at every 6 days against VT's every 2 months. VT's advantage is iOS requirement (9.0 vs 12.0). 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.

VT ships an update every 2 months, Smart Chlorinator every 6 days. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | VT | Smart Chlorinator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 34 MB | 30 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [巍巍 蒋](https://appshunter.io/developer/1439271480) | [FOSHAN SUNDREAM ELECTRONICS CO.LTD](https://appshunter.io/developer/1703947862) |

## What reviewers say

### VT

[App page](https://appshunter.io/ios/app/vt-hts/id1517338260)

**In-app purchases:** none


### Smart Chlorinator

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VT free?

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

### Is Smart Chlorinator free?

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

### Do VT or Smart Chlorinator have ads?

Neither VT nor Smart Chlorinator shows ads.

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

VT ships an update every 2 months, and Smart Chlorinator every 6 days. Most recently, VT was updated on October 11, 2026 and Smart Chlorinator on October 15, 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.*