# Train Sim Pro vs googolChooChoo3D

The clearest difference is price: googolChooChoo3D at Free against Train Sim Pro's $1.99. Train Sim Pro's advantage is rating (4.5 vs 3.6) and ads (none vs shown). On ratings volume, update cadence, in-app purchases and monetization model there is nothing between them.

googolChooChoo3D is free to download; Train Sim Pro costs $1.99 up front. Train Sim Pro sells 3 one-off in-app purchases and googolChooChoo3D sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Train Sim Pro holds the better App Store score, 4.5 against 3.6. Both are backed by a comparable volume of ratings — 161 and 69 respectively. Written reviews point the same way: 63% of Train Sim Pro's written reviews are positive against 47% of googolChooChoo3D's.

Train Sim Pro ships an update every 2 months, googolChooChoo3D every 3 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Train Sim Pro | googolChooChoo3D |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (161 ratings)](https://appshunter.io/ios/app/train-sim-pro/id597315950/reviews)** | [3.6 (69 ratings)](https://appshunter.io/ios/app/googolchoochoo3d/id642845435/reviews) |
| Number of ratings | **161** | 69 |
| Positive reviews | **62.6% of reviews** | 47.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 809 MB | 35 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [1788918 Alberta Ltd](https://appshunter.io/developer/597315953) | [Kouichi Hayashi](https://appshunter.io/developer/1809037541) |

## What reviewers say

### Train Sim Pro

[App page](https://appshunter.io/ios/app/train-sim-pro/id597315950)

Experience realistic train simulation with over 70 train types and 15 environments. Build custom scenes, enjoy cab views, and realistic sounds. Perfect for train enthusiasts of all ages.

**Highlights:** Realistic 3D graphics, 70+ 3D train types, 15 realistic 3D environments, Custom environment building, Cab views for all trains, Realistic train sounds, Train derailments

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Freight Train Driver | $0.99 | one-time |
| Commuter Train Driver | $0.99 | one-time |
| Steam Train Driver | $0.99 | one-time |

**What reviewers like**

- 👍 Great train simulator
- 🚀 Engaging and detailed
- 🚀 Improving with updates
- 💡 Customizable trains and scenery

**What reviewers complain about**

- 🐛 Crashes and bugs
- 🐛 Glitches with train physics and animations
- 🐛 Unrealistic train and environment graphics
- 🐛 Lack of variety in train models and liveries

**Reported bugs**

- Frequent crashes when loading maps or starting sessions
- Trains behaving unrealistically (e.g. cars going off track, wheels not turning)
- Graphical issues like 2D train models and missing details
- Inconsistent or missing sound effects

**Requested features**

- Add more modern and diverse train models
- Improve train physics and animations
- Expand track layouts and environments
- Introduce missions, goals, and multiplayer
- Allow more customization options


### 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 |


## Frequently asked questions

### Is Train Sim Pro free?

Train Sim Pro costs $1.99, and also offers in-app purchases.

### Is googolChooChoo3D free?

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

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

Train Sim Pro is rated higher. Train Sim Pro averages 4.5 out of 5 from 161 ratings, while googolChooChoo3D averages 3.6 from 69 ratings.

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

googolChooChoo3D shows ads; Train Sim Pro does not.

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

Train Sim Pro ships an update every 2 months, and googolChooChoo3D every 3 months. Most recently, Train Sim Pro was updated on October 12, 2026 and googolChooChoo3D 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.*