# LinkState vs MathifyK

The clearest difference is in-app purchases: MathifyK at none against LinkState's 1. MathifyK also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. LinkState sells 1 one-off in-app purchase. MathifyK asks for nothing beyond the download.

## The numbers

| Metric | LinkState | MathifyK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Size | 30 MB | 43 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Hasan Enes DIRIK](https://appshunter.io/developer/1802764921) | [Mohan Reddy](https://appshunter.io/developer/1870408863) |

## What reviewers say

### LinkState

[App page](https://appshunter.io/ios/app/linkstate-color-ball-sort/id6757500175)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### MathifyK

[App page](https://appshunter.io/ios/app/mathifyk/id6760960726)

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

**In-app purchases:** none


## Frequently asked questions

### Is LinkState free?

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

### Is MathifyK free?

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

### Do LinkState or MathifyK have ads?

LinkState shows ads; MathifyK 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.*