# ECoS Cab vs Rail Model Calc

The clearest difference is in-app purchases: Rail Model Calc at none against ECoS Cab's 9. ECoS Cab's advantage is update cadence (every 6 weeks vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ECoS Cab sells 5 in-app purchases, starting at $2.99 per month. Rail Model Calc asks for nothing beyond the download.

ECoS Cab ships an update every 6 weeks, Rail Model Calc every 14 months. The most recent releases landed on September 15, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ECoS Cab | Rail Model Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/ecos-cab/id1481627848/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 14 months |
| Monetization | Free with in-app purchases | — |
| Size | 120 MB | 13 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kostiantyn Kolesnik](https://appshunter.io/developer/1481627847) | [Nobuyuki Kumakura](https://appshunter.io/developer/1529070760) |

## What reviewers say

### ECoS Cab

[App page](https://appshunter.io/ios/app/ecos-cab/id1481627848)

Transform your mobile devices into wireless handheld controllers for your model railroad. Seamlessly manage trains, signals, and accessories across your layout without the hassle of wired connections. Requires a compatible command station connected to your network.

**Highlights:** Handheld model railroad controller, Wireless network connection, Control trains, signals, and accessories, No need for wired devices, Compatible with ESU ECoS, CabControl, PIKO SmartBox

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Sync, monthly | $2.99 | per month |
| Client, monthly | $12.99 | per month |
| Web Server, monthly | $17.99 | per month |
| Client, annually | $99.99 | per year |
| Client, life-time | $149.99 | one-time |


### 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 ECoS Cab free?

ECoS Cab 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 ECoS Cab or Rail Model Calc have ads?

Both ECoS Cab and Rail Model Calc show ads.

### Which is updated more often, ECoS Cab or Rail Model Calc?

ECoS Cab ships an update every 6 weeks, and Rail Model Calc every 14 months. Most recently, ECoS Cab was updated on September 15, 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.*