# googolChooChoo3D2 vs Train Roller Coaster

The clearest difference is rating: Train Roller Coaster at 4.7 against googolChooChoo3D2's 4.0. Train Roller Coaster also leads on review sentiment (89% vs 77%) and ratings volume (190 vs 34). googolChooChoo3D2's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Train Roller Coaster holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Train Roller Coaster has 190 ratings behind it against 34, so its average is the more settled of the two. Written reviews point the same way: 77% of googolChooChoo3D2's written reviews are positive against 89% of Train Roller Coaster's.

googolChooChoo3D2 ships an update monthly, Train Roller Coaster every 2 months. Both last shipped on October 11, 2026.

## The numbers

| Metric | googolChooChoo3D2 | Train Roller Coaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (34 ratings)](https://appshunter.io/ios/app/googolchoochoo3d2/id1223923252/reviews) | **[4.7 (190 ratings)](https://appshunter.io/ios/app/train-roller-coaster/id1609586772/reviews)** |
| Number of ratings | 34 | **190** |
| Positive reviews | 76.9% of reviews | **88.9% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 39 MB | 119 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi Hayashi](https://appshunter.io/developer/1809037541) | [monois Inc.](https://appshunter.io/developer/498398223) |

## What reviewers say

### googolChooChoo3D2

[App page](https://appshunter.io/ios/app/googolchoochoo3d2/id1223923252)

Design and build your own 3D model railroad layouts with customizable tracks, structures, and terrain. Experience your creations from various viewpoints, including the driver's seat of a running train.

**Highlights:** 3D model railroad simulation, Customizable track and structure placement, Terrain creation and editing, Multiple viewing perspectives, Automatic tunnel generation, Driver's seat view

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

**In-app purchases:** none


### Train Roller Coaster

[App page](https://appshunter.io/ios/app/train-roller-coaster/id1609586772)

Navigate complex train tracks like a maze, controlling a high-speed bullet train. Experience realistic speed, thrilling roller coaster-like courses, and diverse environments. Enjoy intuitive gameplay with master controls for an immersive driving simulation.

**Highlights:** Realistic sense of speed, Master controller for train control, Roller coaster-like courses, Multiple stages and paths, Intuitive gameplay, Diverse environments

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

**In-app purchases:** none


## Frequently asked questions

### Is googolChooChoo3D2 free?

googolChooChoo3D2 is free to download, with no in-app purchases.

### Is Train Roller Coaster free?

Train Roller Coaster is free to download, with no in-app purchases.

### Which has better reviews, googolChooChoo3D2 or Train Roller Coaster?

Train Roller Coaster is rated higher. googolChooChoo3D2 averages 4.0 out of 5 from 34 ratings, while Train Roller Coaster averages 4.7 from 190 ratings.

### Do googolChooChoo3D2 or Train Roller Coaster have ads?

Both googolChooChoo3D2 and Train Roller Coaster show ads.

### Which is updated more often, googolChooChoo3D2 or Train Roller Coaster?

googolChooChoo3D2 ships an update monthly, and Train Roller Coaster every 2 months. Most recently, googolChooChoo3D2 was updated on October 11, 2026 and Train Roller Coaster on October 11, 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.*