# RailControl Pro vs Rail Model Calc

The clearest difference is in-app purchases: Rail Model Calc at none against RailControl Pro's 3. RailControl Pro's advantage is ads (none vs shown) and update cadence (monthly vs every 14 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. RailControl Pro sells 3 in-app purchases, starting at $14.99 per year. Rail Model Calc asks for nothing beyond the download.

RailControl Pro ships an update monthly, Rail Model Calc every 14 months. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | RailControl Pro | Rail Model Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (6 ratings)](https://appshunter.io/ios/app/railcontrol-pro/id1598836499/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 72.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 14 months |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 13 MB |
| Requires iOS | 16.6 | **15.4** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Boterham](https://appshunter.io/developer/552486731) | [Nobuyuki Kumakura](https://appshunter.io/developer/1529070760) |

## What reviewers say

### RailControl Pro

[App page](https://appshunter.io/ios/app/railcontrol-pro/id1598836499)

Easily control your Märklin model train layout from your iPhone or iPad. Manage locomotives, accessories, and events with intuitive controls, keyboard shortcuts, and even game controllers. Offers a free trial before requiring a subscription.

**Highlights:** Connect Märklin CS2/CS3, Control locomotives (speed, direction, functions), Control accessories (turnouts, signals), Start events, Multi-window and Stage Manager support on iPad, Dark Mode, Keyboard shortcuts, Game controller support

**Features:** Game Controller support, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hobby | $14.99 | per year |
| Pro | $24.99 | per year |
| Family Pro | $39.99 | per year |


### Rail Model Calc

[App page](https://appshunter.io/ios/app/rail-model-calc/id6474500872)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RailControl Pro free?

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

### Is Rail Model Calc free?

Rail Model Calc is free to download, with no in-app purchases.

### Do RailControl Pro or Rail Model Calc have ads?

Rail Model Calc shows ads; RailControl Pro does not.

### Which is updated more often, RailControl Pro or Rail Model Calc?

RailControl Pro ships an update monthly, and Rail Model Calc every 14 months. Most recently, RailControl Pro was updated on September 17, 2026 and Rail Model Calc on September 13, 2026.

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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.*