# Wasservalve vs QFE Converter

The clearest difference is update cadence: Wasservalve at every 5 weeks against QFE Converter's every 9 months. Wasservalve also leads on iOS requirement (11.0 vs 14.0). 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.

Wasservalve ships an update every 5 weeks, QFE Converter every 9 months. The most recent releases landed on September 28, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Wasservalve | QFE Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wasservalve/id1492667472/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 9 months |
| Monetization | Free | — |
| Size | 54 MB | 2 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danh Le Ngoc](https://appshunter.io/developer/1061590893) | [Iurii Kurinnoi](https://appshunter.io/developer/1757414776) |

## What reviewers say

### Wasservalve

[App page](https://appshunter.io/ios/app/wasservalve/id1492667472)

This smart water valve system monitors water usage, detects leaks, and automatically shuts off the supply to prevent damage. Receive instant notifications on your smartphone when issues are detected.

**Highlights:** Ultrasonic water measurement, Leak detection, Pipe burst detection, Automatic water shut-off, Remote smartphone notifications, Water usage monitoring

**In-app purchases:** none


### QFE Converter

[App page](https://appshunter.io/ios/app/qfe-converter/id6544801014)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Wasservalve free?

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

### Is QFE Converter free?

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

### Do Wasservalve or QFE Converter have ads?

Neither Wasservalve nor QFE Converter shows ads.

### Which is updated more often, Wasservalve or QFE Converter?

Wasservalve ships an update every 5 weeks, and QFE Converter every 9 months. Most recently, Wasservalve was updated on September 28, 2026 and QFE Converter on October 27, 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.*