# googolChooChoo3D vs Train Engine Wash

The clearest difference is rating: googolChooChoo3D at 3.6 against Train Engine Wash's 2.7. googolChooChoo3D also leads on review sentiment (47% vs 14%) and update cadence (every 3 months vs every 13 months). Train Engine Wash's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. googolChooChoo3D sells 1 one-off in-app purchase. Train Engine Wash asks for nothing beyond the download.

googolChooChoo3D holds the better App Store score, 3.6 against 2.7. Both are backed by a comparable volume of ratings — 70 and 17 respectively. Written reviews point the same way: 47% of googolChooChoo3D's written reviews are positive against 14% of Train Engine Wash's.

googolChooChoo3D ships an update every 3 months, Train Engine Wash every 13 months. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | googolChooChoo3D | Train Engine Wash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (70 ratings)](https://appshunter.io/ios/app/googolchoochoo3d/id642845435/reviews)** | [2.7 (17 ratings)](https://appshunter.io/ios/app/train-engine-wash-toddler-train-sim/id1089078481/reviews) |
| Number of ratings | **70** | 17 |
| Positive reviews | **47.5% of reviews** | 14.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 30 MB | 102 MB |
| Requires iOS | 17.6 | **7.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi Hayashi](https://appshunter.io/developer/1809037541) | [Atif Mumtaz](https://appshunter.io/developer/875232775) |

## 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 |


### Train Engine Wash

[App page](https://appshunter.io/ios/app/train-engine-wash-toddler-train-sim/id1089078481)

This game lets toddlers wash and polish virtual train engines. Players use tools like soap and water to clean off dirt and mud, then dry and shine the engines to get them ready for their next journey.

**Highlights:** Wash train engines, Apply soap and water, Polish for shine, Clean dirt and mud, Toddler-friendly gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is googolChooChoo3D free?

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

### Is Train Engine Wash free?

Train Engine Wash is free to download, with no in-app purchases.

### Which has better reviews, googolChooChoo3D or Train Engine Wash?

googolChooChoo3D is rated higher. googolChooChoo3D averages 3.6 out of 5 from 70 ratings, while Train Engine Wash averages 2.7 from 17 ratings.

### Do googolChooChoo3D or Train Engine Wash have ads?

googolChooChoo3D shows ads; Train Engine Wash does not.

### Which is updated more often, googolChooChoo3D or Train Engine Wash?

googolChooChoo3D ships an update every 3 months, and Train Engine Wash every 13 months. Most recently, googolChooChoo3D was updated on October 23, 2026 and Train Engine Wash on October 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.*