# googolChooChoo3D vs Kids Train Sim

The clearest difference is price: googolChooChoo3D at Free against Kids Train Sim's $1.99. googolChooChoo3D also leads on update cadence (every 3 months vs every 7 months). Kids Train Sim's advantage is rating (4.4 vs 3.6) and review sentiment (87% vs 47%). On ratings volume and device support there is nothing between them.

googolChooChoo3D is free to download; Kids Train Sim costs $1.99 up front. googolChooChoo3D sells 1 one-off in-app purchase. Kids Train Sim asks for nothing beyond the download.

Kids Train Sim holds the better App Store score, 4.4 against 3.6. Both are backed by a comparable volume of ratings — 70 and 39 respectively. Written reviews point the same way: 47% of googolChooChoo3D's written reviews are positive against 87% of Kids Train Sim's.

googolChooChoo3D ships an update every 3 months, Kids Train Sim every 7 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | googolChooChoo3D | Kids Train Sim |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [3.6 (70 ratings)](https://appshunter.io/ios/app/googolchoochoo3d/id642845435/reviews) | **[4.4 (39 ratings)](https://appshunter.io/ios/app/kids-train-sim/id880674626/reviews)** |
| Number of ratings | **70** | 39 |
| Positive reviews | 47.5% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 30 MB | 132 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi Hayashi](https://appshunter.io/developer/1809037541) | [1788918 Alberta Ltd](https://appshunter.io/developer/597315953) |

## 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 |


### Kids Train Sim

[App page](https://appshunter.io/ios/app/kids-train-sim/id880674626)

Explore a world of trains with this engaging simulator designed for young children. Drive various train types, manage speed and signals, and even create custom environments with towns and stations.

**Highlights:** Drive 20 train types, Play in 6 pre-made scenes, Build custom environments, Control speed and signals, Switch between train types, Drop off passengers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is googolChooChoo3D free?

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

### Is Kids Train Sim free?

Kids Train Sim costs $1.99, with no in-app purchases.

### Which has better reviews, googolChooChoo3D or Kids Train Sim?

Kids Train Sim is rated higher. googolChooChoo3D averages 3.6 out of 5 from 70 ratings, while Kids Train Sim averages 4.4 from 39 ratings.

### Do googolChooChoo3D or Kids Train Sim have ads?

googolChooChoo3D shows ads; Kids Train Sim does not.

### Which is updated more often, googolChooChoo3D or Kids Train Sim?

googolChooChoo3D ships an update every 3 months, and Kids Train Sim every 7 months. Most recently, googolChooChoo3D was updated on November 1, 2026 and Kids Train Sim on November 1, 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.*