# HydroCalc Basic vs FireCalc Pro

The clearest difference is price: HydroCalc Basic at Free against FireCalc Pro's $9.99. FireCalc Pro's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

HydroCalc Basic is free to download; FireCalc Pro costs $9.99 up front. HydroCalc Basic sells 1 one-off in-app purchase. FireCalc Pro asks for nothing beyond the download.

## The numbers

| Metric | HydroCalc Basic | FireCalc Pro |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Size | 35 MB | 30 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Transparent Blue Water LLC](https://appshunter.io/developer/1847968351) | [yousef mankoulah](https://appshunter.io/developer/1547323129) |

## What reviewers say

### HydroCalc Basic

[App page](https://appshunter.io/ios/app/hydrocalc-basic/id6752577110)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Flow Units & Ad-Free | $1.99 | one-time |


### FireCalc Pro

[App page](https://appshunter.io/ios/app/firecalc-pro-as-fire-standard/id6773524676)

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

**In-app purchases:** none


## Frequently asked questions

### Is HydroCalc Basic free?

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

### Is FireCalc Pro free?

FireCalc Pro costs $9.99, with no in-app purchases.

### Do HydroCalc Basic or FireCalc Pro have ads?

Neither HydroCalc Basic nor FireCalc Pro 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.*