# Sharp Eye Challenge vs MindLink One Line Puzzle

The clearest difference is in-app purchases: Sharp Eye Challenge at none against MindLink One Line Puzzle's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MindLink One Line Puzzle sells 2 in-app purchases, starting at $0.99 per month. Sharp Eye Challenge asks for nothing beyond the download.

## The numbers

| Metric | Sharp Eye Challenge | MindLink One Line Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 100 MB | 49 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thai Tran Hong](https://appshunter.io/developer/1858505088) | [BMAC Infotech](https://appshunter.io/developer/1091994276) |

## What reviewers say

### Sharp Eye Challenge

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

**In-app purchases:** none


### MindLink One Line Puzzle

[App page](https://appshunter.io/ios/app/mindlink-one-line-puzzle/id6789015682)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindLink monthly | $0.99 | per month |
| MindLink Yearly | $9.99 | per year |


## Frequently asked questions

### Is Sharp Eye Challenge free?

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

### Is MindLink One Line Puzzle free?

MindLink One Line Puzzle is free to download, with in-app purchases available.

### Do Sharp Eye Challenge or MindLink One Line Puzzle have ads?

Neither Sharp Eye Challenge nor MindLink One Line Puzzle shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*