# Rail Model Track Calc vs RailControl Pro

The clearest difference is review sentiment: RailControl Pro at 72% against Rail Model Track Calc's 0%. RailControl Pro also leads on rating (3.3 vs 1.0) and ads (none vs shown). Rail Model Track Calc's advantage is in-app purchases (none vs 3) and iOS requirement (15.4 vs 17.6). On price and device support 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 Track Calc asks for nothing beyond the download.

RailControl Pro holds the better App Store score, 3.3 against 1.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 0% of Rail Model Track Calc's written reviews are positive against 72% of RailControl Pro's.

Rail Model Track Calc ships an update every 18 months, RailControl Pro monthly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Rail Model Track Calc | RailControl Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/rail-model-track-calc/id1529070758/reviews) | **[3.3 (6 ratings)](https://appshunter.io/ios/app/railcontrol-pro/id1598836499/reviews)** |
| Number of ratings | 2 | **6** |
| Positive reviews | 0.0% of reviews | **72.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 18 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 9 MB | 19 MB |
| Requires iOS | **15.4** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Nobuyuki Kumakura](https://appshunter.io/developer/1529070760) | [Boterham](https://appshunter.io/developer/552486731) |

## What reviewers say

### Rail Model Track Calc

[App page](https://appshunter.io/ios/app/rail-model-track-calc/id1529070758)

Easily calculate horizontal and vertical dimensions for diagonal railroad model track layouts. Input track length and angle to get precise measurements for combining different track pieces. Avoid guesswork and ensure accurate model railway construction.

**Highlights:** Calculate horizontal and vertical track lengths, Input track length and angle, Precise measurements in 0.5 mm increments, Error margin less than 0.5mm, Reset function for calculations, Designed for railroad modeling hobbyists

**Features:** macOS Compatibility

**In-app purchases:** none


### RailControl Pro

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

Control your Märklin trains and accessories remotely from your iPhone or iPad. Manage locos, turnouts, signals, and events with an intuitive track diagram interface. Offers a free trial before subscription.

**Highlights:** Remote loco control, Turnout and signal switching, Track diagram interface, Event management, Accessory overview, Game controller support

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

**In-app purchases (3)**

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


## Frequently asked questions

### Is Rail Model Track Calc free?

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

### Is RailControl Pro free?

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

### Which has better reviews, Rail Model Track Calc or RailControl Pro?

RailControl Pro is rated higher. Rail Model Track Calc averages 1.0 out of 5 from 2 ratings, while RailControl Pro averages 3.3 from 6 ratings.

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

Rail Model Track Calc shows ads; RailControl Pro does not.

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

Rail Model Track Calc ships an update every 18 months, and RailControl Pro monthly. Most recently, Rail Model Track Calc was updated on October 24, 2026 and RailControl Pro on October 30, 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.*