# WYVERN LTD vs RailControl Unit

The clearest difference is in-app purchases: WYVERN LTD at none against RailControl Unit's 1. WYVERN LTD also leads on iOS requirement (12.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. RailControl Unit sells 1 one-off in-app purchase. WYVERN LTD asks for nothing beyond the download.

## The numbers

| Metric | WYVERN LTD | RailControl Unit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 71 MB | 5 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WYVERN LTD](https://appshunter.io/developer/1775951288) | [Boterham](https://appshunter.io/developer/552486731) |

## What reviewers say

### WYVERN LTD

[App page](https://appshunter.io/ios/app/wyvern-ltd/id6737349573)

**Features:** macOS Compatibility

**In-app purchases:** none


### RailControl Unit

[App page](https://appshunter.io/ios/app/railcontrol-unit/id6755979312)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Modules | $2.99 | one-time |


## Frequently asked questions

### Is WYVERN LTD free?

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

### Is RailControl Unit free?

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

### Do WYVERN LTD or RailControl Unit have ads?

Neither WYVERN LTD nor RailControl Unit 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.*