# VOR ADF Simulator vs Full Scale HSI

The clearest difference is price: Full Scale HSI at Free against VOR ADF Simulator's $3.99. VOR ADF Simulator's advantage is iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Full Scale HSI is free to download; VOR ADF Simulator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | VOR ADF Simulator | Full Scale HSI |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 23 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seifert AviationSoftware](https://appshunter.io/developer/1859220797) | [Chanon Mallanoo](https://appshunter.io/developer/6795595335) |

## What reviewers say

### VOR ADF Simulator

[App page](https://appshunter.io/ios/app/vor-adf-simulator/id6756212116)

**Features:** macOS Compatibility

**In-app purchases:** none


### Full Scale HSI

[App page](https://appshunter.io/ios/app/full-scale-hsi/id6796811859)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VOR ADF Simulator free?

VOR ADF Simulator costs $3.99, with no in-app purchases.

### Is Full Scale HSI free?

Full Scale HSI is free to download, with no in-app purchases.

### Do VOR ADF Simulator or Full Scale HSI have ads?

Neither VOR ADF Simulator nor Full Scale HSI 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.*