# Split Flap Mobile vs Rail World!

The clearest difference is update cadence: Rail World! at fortnightly against Split Flap Mobile's every 4 months. Split Flap Mobile's advantage is review sentiment (100% vs 90%) and iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Split Flap Mobile sells 1 one-off in-app purchase and Rail World! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Split Flap Mobile against 4.9 for Rail World!. Both are backed by a comparable volume of ratings — 5 and 11 respectively. Written reviews are what separate them: 100% of Split Flap Mobile's written reviews are positive against 90% of Rail World!'s.

Split Flap Mobile ships an update every 4 months, Rail World! fortnightly. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Split Flap Mobile | Rail World! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/split-flap-mobile/id1614395778/reviews)** | [4.9 (11 ratings)](https://appshunter.io/ios/app/rail-world/id6738320324/reviews) |
| Number of ratings | 5 | **11** |
| Positive reviews | **100.0% of reviews** | 90.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 127 MB | 529 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eiji Shimada](https://appshunter.io/developer/1561692395) | [Katsuya Maezono](https://appshunter.io/developer/1780197564) |

## What reviewers say

### Split Flap Mobile

[App page](https://appshunter.io/ios/app/split-flap-mobile/id1614395778)

Experience the nostalgic charm of a split-flap display on your mobile device. Customize timetables and use your own images for departure boards, bringing a classic visual element to your phone.

**Highlights:** Split-flap display simulation, Customizable timetables, Use personal images for departure boards, Nostalgic visual experience, Offline play

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 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 Split Flap Mobile free?

Split Flap Mobile is free to download, with in-app purchases available.

### Is Rail World! free?

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

### Which has better reviews, Split Flap Mobile or Rail World!?

Split Flap Mobile is rated higher. Split Flap Mobile averages 5.0 out of 5 from 5 ratings, while Rail World! averages 4.9 from 11 ratings.

### Do Split Flap Mobile or Rail World! have ads?

Both Split Flap Mobile and Rail World! show ads.

### Which is updated more often, Split Flap Mobile or Rail World!?

Split Flap Mobile ships an update every 4 months, and Rail World! fortnightly. Most recently, Split Flap Mobile was updated on October 3, 2026 and Rail World! on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*