# Logic Island vs Sharp Eye Challenge

The clearest difference is in-app purchases: Sharp Eye Challenge at none against Logic Island's 1. Sharp Eye Challenge also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Logic Island sells 1 one-off in-app purchase. Sharp Eye Challenge asks for nothing beyond the download.

## The numbers

| Metric | Logic Island | Sharp Eye Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | — |
| Size | 167 MB | 100 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [零点创玩科技有限公司](https://appshunter.io/developer/1850289458) | [Thai Tran Hong](https://appshunter.io/developer/1858505088) |

## What reviewers say

### Logic Island

[App page](https://appshunter.io/ios/app/logic-island/id6759479309)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


### Sharp Eye Challenge

[App page](https://appshunter.io/ios/app/sharp-eye-challenge/id6760840397)

**In-app purchases:** none


## Frequently asked questions

### Is Logic Island free?

Logic Island is free to download, with in-app purchases available.

### Is Sharp Eye Challenge free?

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

### Do Logic Island or Sharp Eye Challenge have ads?

Logic Island shows ads; Sharp Eye Challenge does not.

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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.*