# Jeff 2.0 vs Rail World!

The clearest difference is price: Rail World! at Free against Jeff 2.0's $3.99. Jeff 2.0's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Rail World! is free to download; Jeff 2.0 costs $3.99 up front. Rail World! sells 1 one-off in-app purchase. Jeff 2.0 asks for nothing beyond the download.

Jeff 2.0 ships an update every 3 weeks, Rail World! fortnightly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Jeff 2.0 | Rail World! |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[4.9 (12 ratings)](https://appshunter.io/ios/app/rail-world/id6738320324/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 90.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 529 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lukas Sontheim](https://appshunter.io/developer/1574217262) | [Katsuya Maezono](https://appshunter.io/developer/1780197564) |

## What reviewers say

### Jeff 2.0

[App page](https://appshunter.io/ios/app/jeff-20/id6503666684)

**Features:** Vision Pro support

**In-app purchases:** none


### Rail World!

[App page](https://appshunter.io/ios/app/rail-world/id6738320324)

Experience Japanese railways from multiple perspectives. Drive trains as the engineer, observe them like a miniature diorama, or enjoy the scenery as a passenger. This game offers diverse ways to engage with a virtual train world.

**Highlights:** Drive trains as engineer, Diorama view, Passenger view, Explore 20km routes, Future route/vehicle additions

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 早朝、夕方シナリオ | $2.99 | one-time |


## Frequently asked questions

### Is Jeff 2.0 free?

Jeff 2.0 costs $3.99, with no in-app purchases.

### Is Rail World! free?

Rail World! is free to download, with in-app purchases available.

### Do Jeff 2.0 or Rail World! have ads?

Rail World! shows ads; Jeff 2.0 does not.

### Which is updated more often, Jeff 2.0 or Rail World!?

Jeff 2.0 ships an update every 3 weeks, and Rail World! fortnightly. Most recently, Jeff 2.0 was updated on October 22, 2026 and Rail World! on October 24, 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.*