# Space by Tinybop vs Train Kit

The clearest difference is update cadence: Train Kit at every 5 weeks against Space by Tinybop's every 6 months. Train Kit also leads on rating (4.6 vs 4.3) and review sentiment (83% vs 67%). Space by Tinybop's advantage is price ($3.99 vs $6.99) and iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Space by Tinybop costs $3.99 and Train Kit $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Train Kit holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Train Kit has 571 ratings behind it against 72, so its average is the more settled of the two. Written reviews point the same way: 67% of Space by Tinybop's written reviews are positive against 83% of Train Kit's.

Space by Tinybop ships an update every 6 months, Train Kit every 5 weeks. Both last shipped on October 13, 2026.

## The numbers

| Metric | Space by Tinybop | Train Kit |
| --- | --- | --- |
| Price | **$3.99** | $6.99 |
| Rating | [4.3 (72 ratings)](https://appshunter.io/ios/app/space-by-tinybop/id1126517945/reviews) | **[4.6 (571 ratings)](https://appshunter.io/ios/app/train-kit-space/id1480714984/reviews)** |
| Number of ratings | 72 | **571** |
| Positive reviews | 66.7% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Paid | **Free** |
| Size | 255 MB | 125 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tinybop Inc.](https://appshunter.io/developer/682046582) | [Phd Apps LLC](https://appshunter.io/developer/1790286252) |

## What reviewers say

### Space by Tinybop

[App page](https://appshunter.io/ios/app/space-by-tinybop/id1126517945)

Explore our solar system and visit each planet up close. Discover their surfaces, characteristics, and orbits through interactive play. Test atmospheres, gravity, and observe planetary spins and seasons.

**Highlights:** Visit 8 planets and the sun, Study planet surfaces up close, Discover planet characteristics, Test atmospheres and gravity with meteorites, Compare planet sizes and masses, Observe planetary orbits and moon phases, Explore Mars with rovers and chopper

**Features:** macOS Compatibility

**In-app purchases:** none


### Train Kit

[App page](https://appshunter.io/ios/app/train-kit-space/id1480714984)

Build and explore a space train system on different planets. Design intricate tracks, manage resources for survival, and enjoy a first-person train driver view. A creative sandbox for young space explorers.

**Highlights:** Build space rail systems on planets, Explore the solar system, Deep space survival challenges, 3D train driver view, Snap-together track tiles, Create unique trains

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space by Tinybop free?

Space by Tinybop costs $3.99, with no in-app purchases.

### Is Train Kit free?

Train Kit costs $6.99, with no in-app purchases.

### Which has better reviews, Space by Tinybop or Train Kit?

Train Kit is rated higher. Space by Tinybop averages 4.3 out of 5 from 72 ratings, while Train Kit averages 4.6 from 571 ratings.

### Do Space by Tinybop or Train Kit have ads?

Neither Space by Tinybop nor Train Kit shows ads.

### Which is updated more often, Space by Tinybop or Train Kit?

Space by Tinybop ships an update every 6 months, and Train Kit every 5 weeks. Most recently, Space by Tinybop was updated on October 13, 2026 and Train Kit on October 13, 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.*