# Rail Shuffle vs Rolling Balls King

The clearest difference is ads: Rail Shuffle at none against Rolling Balls King's shown. Rolling Balls King's advantage is update cadence (every 12 months vs every 41 months) and iOS requirement (8.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rail Shuffle ships an update every 41 months, Rolling Balls King every 12 months. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Rail Shuffle | Rolling Balls King |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 41 months | **Every 12 months** |
| Size | 11 MB | 44 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eweguo AB](https://appshunter.io/developer/305628259) | [Chuanming Chang](https://appshunter.io/developer/1001571025) |

## What reviewers say

### Rail Shuffle

[App page](https://appshunter.io/ios/app/rail-shuffle/id517793019)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rolling Balls King

[App page](https://appshunter.io/ios/app/rolling-balls-king/id1151040022)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rail Shuffle free?

Rail Shuffle is free to download, with no in-app purchases.

### Is Rolling Balls King free?

Rolling Balls King is free to download, with no in-app purchases.

### Do Rail Shuffle or Rolling Balls King have ads?

Rolling Balls King shows ads; Rail Shuffle does not.

### Which is updated more often, Rail Shuffle or Rolling Balls King?

Rail Shuffle ships an update every 41 months, and Rolling Balls King every 12 months. Most recently, Rail Shuffle was updated on October 26, 2026 and Rolling Balls King on November 2, 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.*