# Rails Roller vs 球球大冒险

Rails Roller and 球球大冒险 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Rails Roller | 球球大冒险 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (13 ratings)](https://appshunter.io/ios/app/rails-roller/id1564282166/reviews)** | — |
| Number of ratings | **13** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 19 months | — |
| Monetization | Ad-supported | — |
| Size | 181 MB | 39 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广杰 周](https://appshunter.io/developer/1059287118) | [小鹏 陈](https://appshunter.io/developer/1464828803) |

## What reviewers say

### Rails Roller

[App page](https://appshunter.io/ios/app/rails-roller/id1564282166)

Collect balls and guide them along rails to progress through levels. This game offers a simple yet engaging experience focused on collecting and riding.

**Highlights:** Ball collection mechanics, Rail riding gameplay, Level progression, Simple controls

**Features:** macOS Compatibility

**In-app purchases:** none


### 球球大冒险

[App page](https://appshunter.io/ios/app/8090/id6467822313)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Rails Roller free?

Rails Roller is free to download, with no in-app purchases.

### Is 球球大冒险 free?

球球大冒险 is free to download, with no in-app purchases.

### Do Rails Roller or 球球大冒险 have ads?

Both Rails Roller and 球球大冒险 show ads.

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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.*