# googolChooChoo3D vs LearnDay

The clearest difference is ads: LearnDay at none against googolChooChoo3D's shown. LearnDay also leads on iOS requirement (9.0 vs 12.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. googolChooChoo3D sells 1 one-off in-app purchase and LearnDay sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | googolChooChoo3D | LearnDay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (69 ratings)](https://appshunter.io/ios/app/googolchoochoo3d/id642845435/reviews)** | — |
| Number of ratings | **69** | — |
| Positive reviews | 47.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 368 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi Hayashi](https://appshunter.io/developer/1809037541) | [Saksit Piraban](https://appshunter.io/developer/1022385900) |

## 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 |


### LearnDay

[App page](https://appshunter.io/ios/app/learnday/id1022385901)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Coins | $0.99 | one-time |
| 400 Coins | $0.99 | one-time |
| 620 Coins | $2.99 | one-time |
| 1240 Coins | $2.99 | one-time |
| 1100 Coins | $4.99 | one-time |
| 2200 Coins | $4.99 | one-time |
| 5000 Coins | $4.99 | one-time |


## Frequently asked questions

### Is googolChooChoo3D free?

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

### Is LearnDay free?

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

### Do googolChooChoo3D or LearnDay have ads?

googolChooChoo3D shows ads; LearnDay does not.

### Which is updated more often, googolChooChoo3D or LearnDay?

googolChooChoo3D ships an update every 3 months, and LearnDay every 3 months. Most recently, googolChooChoo3D was updated on October 7, 2026 and LearnDay on October 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.*