# Train Simulator Steam Mobile vs Train Sim Builder

The clearest difference is update cadence: Train Sim Builder at daily against Train Simulator Steam Mobile's every 4 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.

Train Simulator Steam Mobile ships an update every 4 months, Train Sim Builder daily. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Train Simulator Steam Mobile | Train Sim Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/train-sim-builder/id6763680417/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Daily** |
| Monetization | — | Ad-supported |
| Size | 211 MB | 346 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Sidra Zahid](https://appshunter.io/developer/1614077903) | [1788918 Alberta Ltd](https://appshunter.io/developer/597315953) |

## What reviewers say

### Train Simulator Steam Mobile

[App page](https://appshunter.io/ios/app/train-simulator-steam-mobile/id1642786267)

**Features:** macOS Compatibility

**In-app purchases:** none


### Train Sim Builder

[App page](https://appshunter.io/ios/app/train-sim-builder/id6763680417)

Design and operate your own train world with realistic 3D graphics. Build custom layouts, place hundreds of items, and drive over 80 different trains with detailed cabin views. Enjoy regular content updates and exciting train derailments.

**Highlights:** Realistic 3D graphics, Customizable track layouts, Hundreds of decorative items, Drive 80+ trains and locomotives, Interior cabin views, Train derailment physics, Regular content updates

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Train Simulator Steam Mobile free?

Train Simulator Steam Mobile is free to download, with no in-app purchases.

### Is Train Sim Builder free?

Train Sim Builder is free to download, with no in-app purchases.

### Do Train Simulator Steam Mobile or Train Sim Builder have ads?

Both Train Simulator Steam Mobile and Train Sim Builder show ads.

### Which is updated more often, Train Simulator Steam Mobile or Train Sim Builder?

Train Simulator Steam Mobile ships an update every 4 months, and Train Sim Builder daily. Most recently, Train Simulator Steam Mobile was updated on September 23, 2026 and Train Sim Builder on September 21, 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.*