# googolChooChoo3D vs Alien Claw Pro

The clearest difference is price: googolChooChoo3D at Free against Alien Claw Pro's $0.99. googolChooChoo3D also leads on update cadence (every 3 months vs every 38 months). Alien Claw Pro's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

googolChooChoo3D is free to download; Alien Claw Pro costs $0.99 up front. googolChooChoo3D sells 1 one-off in-app purchase. Alien Claw Pro asks for nothing beyond the download.

googolChooChoo3D ships an update every 3 months, Alien Claw Pro every 38 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | googolChooChoo3D | Alien Claw Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.6 (70 ratings)](https://appshunter.io/ios/app/googolchoochoo3d/id642845435/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 47.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 38 months |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 66 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi Hayashi](https://appshunter.io/developer/1809037541) | [Galatic Droids](https://appshunter.io/developer/806182439) |

## What reviewers say

### googolChooChoo3D

[App page](https://appshunter.io/ios/app/googolchoochoo3d/id642845435)

Create and explore 3D model railroad layouts with ease. Design your own tracks and scenery by dragging and dropping elements. Experience your creations from various viewpoints, including the driver's seat of a moving train.

**Highlights:** 3D model railroad simulation, Drag-and-drop layout creation, Customizable track and item placement, Multiple camera views, Driver's seat perspective, Scenery design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Alien Claw Pro

[App page](https://appshunter.io/ios/app/alien-claw-pro/id995983854)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is googolChooChoo3D free?

googolChooChoo3D is free to download, with in-app purchases available.

### Is Alien Claw Pro free?

Alien Claw Pro costs $0.99, with no in-app purchases.

### Do googolChooChoo3D or Alien Claw Pro have ads?

googolChooChoo3D shows ads; Alien Claw Pro does not.

### Which is updated more often, googolChooChoo3D or Alien Claw Pro?

googolChooChoo3D ships an update every 3 months, and Alien Claw Pro every 38 months. Most recently, googolChooChoo3D was updated on October 23, 2026 and Alien Claw Pro on October 7, 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.*