# Rolling Ball Rescue vs CalystrixCard Carnival

The clearest difference is update cadence: CalystrixCard Carnival at every 6 days against Rolling Ball Rescue's every 6 months. On price, ads, 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.

Rolling Ball Rescue ships an update every 6 months, CalystrixCard Carnival every 6 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Rolling Ball Rescue | CalystrixCard Carnival |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 days** |
| Size | 24 MB | 25 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Van Huan Truong](https://appshunter.io/developer/6807732204) | [ZEYNEP UMUT](https://appshunter.io/developer/6793939628) |

## What reviewers say

### Rolling Ball Rescue

[App page](https://appshunter.io/ios/app/rolling-ball-rescue/id6759353699)

**Features:** macOS Compatibility

**In-app purchases:** none


### CalystrixCard Carnival

[App page](https://appshunter.io/ios/app/calystrixcard-carnival/id6793939626)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rolling Ball Rescue free?

Rolling Ball Rescue is free to download, with no in-app purchases.

### Is CalystrixCard Carnival free?

CalystrixCard Carnival is free to download, with no in-app purchases.

### Do Rolling Ball Rescue or CalystrixCard Carnival have ads?

Neither Rolling Ball Rescue nor CalystrixCard Carnival shows ads.

### Which is updated more often, Rolling Ball Rescue or CalystrixCard Carnival?

Rolling Ball Rescue ships an update every 6 months, and CalystrixCard Carnival every 6 days. Most recently, Rolling Ball Rescue was updated on October 31, 2026 and CalystrixCard Carnival on October 31, 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.*