# Lüftungstool vs Water Floor Heating Calc

The clearest difference is update cadence: Lüftungstool at every 3 weeks against Water Floor Heating Calc's every 7 months. Lüftungstool also leads on iOS requirement (15.2 vs 17.6). Water Floor Heating Calc's advantage is price ($1.99 vs $2.99). On ads, in-app purchases and device support there is nothing between them.

Lüftungstool costs $2.99 and Water Floor Heating Calc $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lüftungstool ships an update every 3 weeks, Water Floor Heating Calc every 7 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Lüftungstool | Water Floor Heating Calc |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Size | 6 MB | 5 MB |
| Requires iOS | **15.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Burak Doelek](https://appshunter.io/developer/1602361104) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## What reviewers say

### Lüftungstool

[App page](https://appshunter.io/ios/app/luftungstool/id1603666086)

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

**In-app purchases:** none


### Water Floor Heating Calc

[App page](https://appshunter.io/ios/app/water-floor-heating-calc/id6739787831)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lüftungstool free?

Lüftungstool costs $2.99, with no in-app purchases.

### Is Water Floor Heating Calc free?

Water Floor Heating Calc costs $1.99, with no in-app purchases.

### Do Lüftungstool or Water Floor Heating Calc have ads?

Neither Lüftungstool nor Water Floor Heating Calc shows ads.

### Which is updated more often, Lüftungstool or Water Floor Heating Calc?

Lüftungstool ships an update every 3 weeks, and Water Floor Heating Calc every 7 months. Most recently, Lüftungstool was updated on October 25, 2026 and Water Floor Heating Calc on October 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.*