# Swim Underwater Train Simulator vs Rails Express Train Simulator

The clearest difference is rating: Swim Underwater Train Simulator at 4.5 against Rails Express Train Simulator's 1.0. Swim Underwater Train Simulator also leads on ads (none vs shown) and iOS requirement (6.0 vs 12.0). On price, ratings volume, 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.

Swim Underwater Train Simulator holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

## The numbers

| Metric | Swim Underwater Train Simulator | Rails Express Train Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/swim-underwater-train-simulator/id1230355145/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/rails-express-train-simulator/id6503949328/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 11 months |
| Monetization | Free | — |
| Size | 142 MB | 311 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alina Sapolgina](https://appshunter.io/developer/1145295963) | [Munaim Shah](https://appshunter.io/developer/1416464154) |

## What reviewers say

### Swim Underwater Train Simulator

[App page](https://appshunter.io/ios/app/swim-underwater-train-simulator/id1230355145)

Experience a unique 3D train simulator set in an underwater city. Drive a submarine train, pick up passengers, and transport them across Atlantis. Discover new train cars and collect them all.

**Highlights:** Unique 3D graphics, Underwater train simulation, Passenger transport, First-person view, Discover new train cars, Collect train fleet

**Features:** macOS Compatibility

**In-app purchases:** none


### Rails Express Train Simulator

[App page](https://appshunter.io/ios/app/rails-express-train-simulator/id6503949328)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Swim Underwater Train Simulator free?

Swim Underwater Train Simulator is free to download, with no in-app purchases.

### Is Rails Express Train Simulator free?

Rails Express Train Simulator is free to download, with no in-app purchases.

### Which has better reviews, Swim Underwater Train Simulator or Rails Express Train Simulator?

Swim Underwater Train Simulator is rated higher. Swim Underwater Train Simulator averages 4.5 out of 5 from 2 ratings, while Rails Express Train Simulator averages 1.0 from 2 ratings.

### Do Swim Underwater Train Simulator or Rails Express Train Simulator have ads?

Rails Express Train Simulator shows ads; Swim Underwater Train Simulator does not.

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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.*