# Mindcodex vs Model Railway Calculator

The clearest difference is update cadence: Mindcodex at every 4 months against Model Railway Calculator's every 12 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mindcodex ships an update every 4 months, Model Railway Calculator every 12 months. The most recent releases landed on September 29, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Mindcodex | Model Railway Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/model-railway-calculator/id1533262309/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | — | Free |
| Size | 22 MB | 46 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mind Codex GmbH](https://appshunter.io/developer/1503192489) | [Kornel Kaulics](https://appshunter.io/developer/1501407664) |

## What reviewers say

### Mindcodex

[App page](https://appshunter.io/ios/app/mindcodex/id1503192490)

**Features:** macOS Compatibility

**In-app purchases:** none


### Model Railway Calculator

[App page](https://appshunter.io/ios/app/model-railway-calculator/id1533262309)

This app assists European model railway builders by providing calculations based on NEM-Standards. It simplifies the process of designing and building model railways.

**Highlights:** European model railway calculations, NEM-Standards compliance, Model railway design assistance, Simplified building process

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mindcodex free?

Mindcodex is free to download, with no in-app purchases.

### Is Model Railway Calculator free?

Model Railway Calculator is free to download, with no in-app purchases.

### Do Mindcodex or Model Railway Calculator have ads?

Neither Mindcodex nor Model Railway Calculator shows ads.

### Which is updated more often, Mindcodex or Model Railway Calculator?

Mindcodex ships an update every 4 months, and Model Railway Calculator every 12 months. Most recently, Mindcodex was updated on September 29, 2026 and Model Railway Calculator on September 24, 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.*