# SmartProgrammer vs RailControl Unit

The clearest difference is in-app purchases: SmartProgrammer at none against RailControl Unit's 1. SmartProgrammer also leads on iOS requirement (12.2 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. SmartProgrammer asks for nothing beyond the download.

## The numbers

| Metric | SmartProgrammer | RailControl Unit |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 126 MB | 5 MB |
| Requires iOS | **12.2** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PIKO Spielwaren GmbH](https://appshunter.io/developer/1398748414) | [Boterham](https://appshunter.io/developer/552486731) |

## What reviewers say

### SmartProgrammer

[App page](https://appshunter.io/ios/app/smartprogrammer/id1453965445)

Easily adjust digital parameters for your decoders with an intuitive app. Offers standard and expert modes for basic or detailed settings, including sound options. Quickly update connected decoders and transfer sound data.

**Highlights:** Intuitive decoder parameter adjustment, Standard and expert mode settings, Quick decoder updates, Sound data transfer via SUSI, Function key remapping, Integrated signal box

**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 SmartProgrammer free?

SmartProgrammer 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 SmartProgrammer or RailControl Unit have ads?

Neither SmartProgrammer 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.*