# Will vs RailControl Unit

The clearest difference is iOS requirement: Will at 16.4 against RailControl Unit's 18.5. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Will sells 3 in-app purchases, starting at $3.99 per month and RailControl Unit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Will | RailControl Unit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 62 MB | 5 MB |
| Requires iOS | **16.4** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CPX Studio e.U.](https://appshunter.io/developer/1465142988) | [Boterham](https://appshunter.io/developer/552486731) |

## What reviewers say

### Will

[App page](https://appshunter.io/ios/app/will-your-last-message/id1559434152)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Will+ Monthly | $3.99 | per month |
| Will+ Annual | $29.99 | per year |
| Will+ Lifetime | $89.99 | one-time |


### 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 Will free?

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

### Is RailControl Unit free?

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

### Do Will or RailControl Unit have ads?

Neither Will 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.*