# Challenge Turnaround vs I

The clearest difference is iOS requirement: I at 13.0 against Challenge Turnaround's 15.0. 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.

## The numbers

| Metric | Challenge Turnaround | I |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 29 MB | 2 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Challenge Group](https://appshunter.io/developer/1570119385) | [FELIPE AGUILAR](https://appshunter.io/developer/1053219389) |

## What reviewers say

### Challenge Turnaround

[App page](https://appshunter.io/ios/app/challenge-turnaround/id1570119383)

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

**In-app purchases:** none


### I

[App page](https://appshunter.io/ios/app/i-handler-bhs/id6782959303)

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

**In-app purchases:** none


## Frequently asked questions

### Is Challenge Turnaround free?

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

### Is I free?

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

### Do Challenge Turnaround or I have ads?

Neither Challenge Turnaround nor I shows 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.*