# TRAPP Diffuser vs WaterHandler

The clearest difference is update cadence: WaterHandler at monthly against TRAPP Diffuser's every 12 months. TRAPP Diffuser's advantage is iOS requirement (11.0 vs 13.4). 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.

TRAPP Diffuser ships an update every 12 months, WaterHandler monthly. The most recent releases landed on September 15, 2026 and July 28, 2026 respectively.

## The numbers

| Metric | TRAPP Diffuser | WaterHandler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/waterhandler/id6443764424/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | — | Free |
| Size | 173 MB | 27 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dongguan Yih-Teh Electric Products Co., Ltd.](https://appshunter.io/developer/1604523226) | [Hero Control System](https://appshunter.io/developer/6795223212) |

## What reviewers say

### TRAPP Diffuser

[App page](https://appshunter.io/ios/app/trapp-diffuser/id1604523223)

**Features:** macOS Compatibility

**In-app purchases:** none


### WaterHandler

[App page](https://appshunter.io/ios/app/waterhandler/id6443764424)

Remotely monitor and control various smart home devices, including water valves, lights, and appliances. This system allows for faster and easier management of your connected devices from any location.

**Highlights:** Connect and control multiple devices, Faster and easier device management, Remote monitoring of smart devices, Control appliances like water valves and lights, Access from anywhere

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TRAPP Diffuser free?

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

### Is WaterHandler free?

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

### Do TRAPP Diffuser or WaterHandler have ads?

Neither TRAPP Diffuser nor WaterHandler shows ads.

### Which is updated more often, TRAPP Diffuser or WaterHandler?

TRAPP Diffuser ships an update every 12 months, and WaterHandler monthly. Most recently, TRAPP Diffuser was updated on September 15, 2026 and WaterHandler on July 28, 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.*