# Crol Swimming vs ClassFlex

The clearest difference is device support: ClassFlex at 3 against Crol Swimming's —. Crol Swimming's advantage is iOS requirement (13.4 vs 15.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Crol Swimming | ClassFlex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | — | Every 2 weeks |
| Size | 18 MB | 52 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Cloud Campus S.A.](https://appshunter.io/developer/1413261380) | [3-101-938358 S.A.](https://appshunter.io/developer/1824289802) |

## What reviewers say

### Crol Swimming

[App page](https://appshunter.io/ios/app/crol-swimming/id6505040215)

**In-app purchases:** none


### ClassFlex

[App page](https://appshunter.io/ios/app/classflex/id6748094476)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crol Swimming free?

Crol Swimming is free to download, with no in-app purchases.

### Is ClassFlex free?

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

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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.*