# Water Floor Heating Calc vs HydroniCalc

The clearest difference is price: HydroniCalc at Free against Water Floor Heating Calc's $1.99. Water Floor Heating Calc's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

HydroniCalc is free to download; Water Floor Heating Calc costs $1.99 up front. HydroniCalc sells 1 one-off in-app purchase. Water Floor Heating Calc asks for nothing beyond the download.

## The numbers

| Metric | Water Floor Heating Calc | HydroniCalc |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 5 MB | 7 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) | [Eric Chmara](https://appshunter.io/developer/1892404568) |

## What reviewers say

### 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


### HydroniCalc

[App page](https://appshunter.io/ios/app/hydronicalc/id6796810526)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Calculators | $12.99 | one-time |


## Frequently asked questions

### Is Water Floor Heating Calc free?

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

### Is HydroniCalc free?

HydroniCalc is free to download, with in-app purchases available.

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

Neither Water Floor Heating Calc nor HydroniCalc shows ads.

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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.*